Laboratory Animals Flashcards
All information that was taught to me while attending Vanier College's "Animal Health Technology" Program, located in St-Laurent Montreal.
What is the ACC oversee
Checks for good animal practice. Checks for the CCAC certification of good animal practice. Enforces the three R program
What are the 3Rs
Replacement, refinement, reduction
What does Calas do
Improves the standards of practice is enhance animal welfare. Have a national and regional chapter. Also have a registry board exam to be a certified Lab animal technician
What does calam do
Concerns veterinarians in lab animal settings
What does aaalac do
Similar to CCAC. Accreditation program in the USA. It is international although based in USA
What does aalas do
Similar to calas
What does aclam do
Similar to calam. For vets
Describe in vitro preclinical testing
In cultures
Describe in vivo preclinical testing
Preclinical testing on live animals
What is the purpose of preclinical testing
Done for safety, efficacy. Required to test on 2 species. Ie: 1 rodent, 1 rabbit
Where do you do new drug submissions in the USA
At the fda
Where are the new drug submissions done in Canada
Health Canada
What is gcp
Good clinical practice
What should the gcp do
Should be observed in the conduct of all human drug investigations
What is the first phase of the clinical trial
20-100 healthy candidates. Assesses safety and dosage
What is phase 2 of clinical trials
On larger groups 20-300. Tested on people who have the disease. Evaluate for side effects and efficacy.
What is phase 3 of the clinical trial
Multicenter trials, randomized controlled studies
What happens if phase 1-3 is successful
All data is submitted to the regulatory authorities (nds). Once accepted there is still a phase 4
What is phase 4 of the clinical trial
Monitoring to check for side effects
What is glp
Good laboratory practice relating to non clinical research. Instituted by fda in early 1970. Establishes safety in non clinical studies: food and color additives, drugs, medical devices, pesticides
What does the glp regulate
All the methods that must be used to conduct preclinical trials including documentation of data
What is certified food
Food is made without contaminates, then checked for metal, antibiotics
Why do we follow glp
Assure quality of research for fda.
How do you ensure glp is followed
Hire a QA unit to monitor, study, and they report to upper management.
What are the 2 duties of QA
- Monitor the study to ensure compliance with glp regulations 2. Perform inspections to ensure compliance with protocol and sop
What is the sop used for
Standard operating procedures. We use it to establish consistency
What does the CCAC or or CCPA oversee
Oversees the ethical use of animals in science in Canada
What is gnotobiotic
All the life is known in these animals
What is axenic
Germ free animals
What is defined microbially associated animals
Animals injected with specific flora (derived from axenic)
What is barrier maintained animals
Free from pathogens: high security
Monitored animals
Less rigorous monitoring than barrier maintained, may have some pathogens but no major ones
What is conventional
The opposite of gnotobiotic and barrier maintained animals
what is specific pathogen free
Not free of all pathogens, just specific ones. Can include vaf. Population is regularly checked to ensure status
What is virus antibody free
Free of all viruses
What is outbred stock
Avoid inbreeding, mating of individuals as unrelated as possible. Increase heterozygous status. Kept in closed colonies of > 4 generation
What is an inbred strain
Minimum of 20 consecutive brother sister matings. Virtually identical to all other of the same strain
F1 hybrid
Cross two inbred strains. Goals: known genetics with hybrid strengths
Coisogenic
Two strains differing only by one gene. Arise from either a single mutation or by knock out technology. Mutation strain maintained separate from original inbred strain
Congenic
Two strains differing only by one gene. Accomplished by breeding rather than as a result of mutation
Transgenic
Intentional insertion of dna. To have an animal model to study specific diseases
What is knockout
Intentional blockage of a normal gene. Causes a disease to occur
What does a colon mean after the name
Means inbred
What does / mean
Outbred
What are the short term adverse effects of removing too much blood
Hypovolemic shock, long crt, cold extremities, weak pulse, tachycardia
What are long term effects of removing too much blood
Anemia (exercise intolerance, pale mm)
How do you calculate estimated circulating blood volume in mice
Percent body weight in grams. Equivalents in milliliters per kilogram. Effects of obesity and age. 6% body weight equals 60 ML/KG. BW
What is a safe amount to draw of blood every four weeks
15% of body weight
What is a safe amount to draw up of blood every two weeks
10% bodyweight
What is the safe amount of blood to draw up every week
7.5% of body weight
What is the safe amount of blood to draw up everyday
1%
What is the scientific name of the rat
Rattus norvegicus
What is the origin of the rat
Asia and Europe
What are the outbred stocks of the Rats
Wistar, sprague-dawley, long Evans
What are the inbred stocks of the rats
Fischer, Lewis, brown Norway, Buffalo
Describe the behaviour of a rat
Docile, rarely bites, adaptive to new surroundings, sensitive to sounds, vibrations. Often returns to cage if escapes. Very easily tamed and trained. Rarely fight, coprophagic, nocturnal, burrowing, communal. Omnivores
What is the tail of the rat used for
Balance and thermoregulation
Describe the digestive tract of a rat
Hind gut fermenter.
What is brown fat used for in the rat
Does thermogenesis to produce heat.
What is special about mammary glands in male rats
Males have the glands but no nipples
What is the hibernating organ
The brown fat between shoulder blades
How many teeth do rats have
16
What can rats be a model of with the digestive system
Model for tooth decay studies
What are the two portions of a rat stomach
Glandular and non glandular
What is the glandular portion of the rats stomach used for
Digestion
What is the non glandular portion of the rats stomach for
Holds food
What is the stomach fold called in the rats
Limiting ridge
Can rats vomit ?
No they can’t
What are the three organs of the rats digestive system
Caecum, pancreas, liver.
What is special about a rats digestive system ?
They don’t have a gallbladder
What is special about a rats heart
It has Os Cordis.
What is Os Cordis
A bone in the heart around the aortic valve
Describe the female reproductive tract of a rat
Bicornate uterusVagina is completely superstar from urethra
What are the 6 accessory sex glands in a rat
Preputial glandsProstateVesicular glands Coagulating glands Bulbourethral glandsDuctus deferens glands
Describe the reproductive tract of the male rat
Open inguinal canal. Os penis. Larger genital papilla than female. Multiple accessory glands: 6 types
What does the vesicular and coagulating gland do in males
Makes the copulatory plug
What age is sexual maturity of the rat
6-8 wk
How long is breeding season for a rat
Year long
what is the length of the estrus cycle in a rat
4-5 days
How long is estrus in a rat
9-20hrs
How long is the duration of gestation in a rat
21-23 days
At what age are rats weaned
21 days
Is there the whitten effect in rats
Yes
Is there the Bruce effect in rats
No
How large is the litter size of rats
6-12
Describe rats eyes
Poor eyesight. No color vision. Harderian gland behind eye gives porphyrin production
Describe the lungs of the rat
5 lobes. 4 on right, 1 on left.
Describe the sense of rats
Better sense of smell than humans. Hear in ultrasonic range
Describe thermoregulation techniques in a rat
They don’t pant. And have no sweat gland
How long is the life span of a rat
2.5-3.5yr
What is the scientific name of the mouse
Mus musculus
When was the first scientific experimentation on the mouse
19th century.
What are the outbred stocks of mouse
Swiss, Swiss Webster, institute of cancer research
Describe mice
Social. Bite if handled roughly. Fight often. They barber. sensitive to sounds, vibrations. Omnivores
What type of mice have seizures with loud sound
Dba mice
Describe mammary glands in female mice
5 pairs in females. Have a very extensive distribution on the animal. can often have mammary tumours n
Do mice have sweat glands
No
Do mice have a gall bladder
Yes they do
Describe spleen size in mice
Larger in males than females
Describe the reproductive system of a mouse
Bicornuate. Copulatory plug
Describe the male reproductive system of a mouse
Open inguinal canal. Os penis. Larger genital papilla. Multiple sex accessory organs
What is the whitten effect
Synchronization of females if males is removed
What is the Bruce effect
A recently bred female will abort if they smell a strange male
Is the Bruce effect present in mice
Yes
Is the whitten effect present in mice
Yes
What is the scientific name of the rabbit
Ortyctolagus cuniculus
What are the two most popular types of rabbits used for laboratory use
New Zealand White
Describe behaviour of rabbits
Generally timid, non aggressive. curious bit easily startled. Some aggressive or defensive behaviour. High Pitched scream. Toilet trainable, can be housed together.
What is the dental formula of a rabbit
2/1, 0/0, 3/2, 3/3. Malocclusion issues + also need to trim peg teeth.
Describe the stomach of a rabbit
Glandular like, cannot vomit.
Describe the cecum of a rabbit
extremely important, cecal appendix.
Where is the sacculus rotundus located
between the ileum and cecum
What is the sacculus rotundus
important lymphoid tissue.
what is the colon
has sacculation: groves that increase surface area.
Describe the daytime feces of a rabbit
dry. Composition: indigestible fibers
Describe the nighttime feces of a rabbit
moist (cecotroph). Composed of B vitamins, water, nitrogen
Describe the urine of rabbits
Color variance due to whats eaten. Turbidity is due to high amount of crystals. Alkaline pH.
Describe the muscoskeletal system of a rabbit
High amount of muscle mass but very light bones. 7% of BW is skeleton
Describe the mammary glands of rabbits
8-10. Distribution: from neck to inguinal region.
Do male rabbits have nipples?
No
Describe the eyes of a rabbit
Third eyelid is developed. Harderian glands are located behind eyes.
What are the common issues with rabbits eyes
Cherry eye
Where is the location of the scent glands in rabbits
In inguinal pouch. On either side of vagina/penis.
What is the scent gland used for in the rabbit
Used to mark territory.
What else can rabbits used besides the scent glands to mark their territory
their chin
What is the dewlap found and what can it cause
Mostly in females, can cause moist dermatitis.
What are the functions of the ears
thermoregulation (vascular), auditory, sensitive
Describe the Hematopoietic system
Neutrophil (psuedoneutrophils or heterophils) (20-35%). Eosinophil: 0-4%
Describe the reproductive system of a female rabbit
Bicornuate and double cervix.
Describe the reproductive system of a male rabbit
open inguinal canal. Scrotum is cranial to the penis. Testis descend at 12 weeks
Describe the estrus cycle length of a rabbit
induced ovulator
When is ovulation in a rabbit
9-13 hours post coitus (~10hrs)
How long is the gestation of the rabbit
29-35 days
When are rabbits weaned
4-6 weeks
When do rabbits need to nurse
1x/day (3-4 mins/day)
What can you use for milk replacement in the rabbit
Kitten forumla
What is the lifespan of a rabbit
5-7 years
What is the normal bodyweight of a rabbit (f/m)
2-6/2-5kg
What is the normal body temperature range for a rabbit
38.5-40.0*c
What is needed for husbandry of the rabbit
need to give food enrichment: greens, hay. Suspended or plastic cages
Where are guinea pigs originated
south america
What are the english variety (outbred)
duncan-hartleyhartley** both albinos
What are the abyssinian variety (outbred)
short; rough-hair arranged in rosettes
what are the peruvian variety (outbred)
long hair
What are the inbred guinea pigs
several strains
describe the behavior of guinea pigs
docile, rarely bite or scratch, climb + jump rarely. produce a variety of vocalizations. develop rigid habits (that can lead to anorexia), easily excited by noise, changes, coprophagic, communal, messy
describe a guinea pigs feet
4 toes on forelimb, 3 toes on hindlimb
Describe the mammary gland of guinea pigs
have only one pair of nipples in inguinal areamammary tissue only in females
how many offspring can a guinea pig nurse at one time
2
how may pups can a guinea pig have
up to 5
what are precocious pups
can eat right away
Describe the oral cavity of a guinea pig
dental formula: 1/1, 0/0, 1/1, 3/3Open rooted and continiously eruptmalocclusion possible with the premolars
Describe the stomach of a guinea pig
all glandular like rat
describe the cecum of the guinea pig
very large and located on the left. be careful when doing IP and inject on the right. Divided into pouches
describe the colon of the rat
very long.allows for better reabsorption of water.
describe the auditory system of the rat
large tympanic bullae. sx approach easy. sensitive hearing. used in otology research and ototoxicity drugs.
describe the respiratory system of the rat
bronchioles are extremely reactive: respiratory anaphylaxis
describe the hematology of a rat
neutrophils: heterophils as in the rabbitkurloff cells: mononuclear cells; proliferates under the influence of estrogen.lymphocytes: the majority of WBC
Describe the urology of the guinea pig
urine is alkaline, opaque, creamy, yellow, and contains crystals
what is the lifespan of the guinea pig
4-5 yrs
what is the normal body weight of a guinea pig. f/m
700-900/900-1200g
describe the reproductive tract of the female guinea pig (sow)
bicornuate uterusy shaped genital-anal openingvaginal membrane (opens only during estrus and parturition)
Describe the reproductive tract of the male guinea pig (boar)
open inguinal canal where testes are located.os penisexposed penis has two prongs at tipseveral accessory sex glandslarge seminal vessicles that extend 10cm into the abdominal cavity from the pubis.
What is the estrus cycle length of the guinea pig
15-17 days
what is the estrus length in the guinea pig
8-11hours
what is the duration of gestation in a guinea pig
59-72 days
What is the average litter size of a guinea pig
2-5
what is the normal weight at birth of a guinea pig
70-100g
when are guinea pigs weaned
14-21d
if the sow is to be bred, her first litter has to be when
before 7 months
how do you house guinea pigs
large shoebox cage with bedding (to avoid bumble foot). don’t use cedar bedding due to a reaction, avoid substrate with small particles or dust. change cage often
how do you feed guinea pigs
GP chow. provide fresh food (vitamin C). J feeders or bowls. Give Vit. C to prevent scurvy. Avoid sudden food changes
How do you handle guinea pigs
one hand on trunk, one hand on hindquarters. injury to liver and lungs from one handed pressure
where do you do IM injections in the guinea pig
use the same spots of the rabbit. lumbar, quadricep and caudal thigh
where do you do IV injections in the guinea pig
saphenous or cephalic
how is blood collected from guinea pigs
small amount: marginal vein, cephalic, saphenous.large amount: cranial vena cava, jugular vein, femoral vein, intracardiac (terminal)
where do you do your IP injection on the guinea pig
on the right side
What are the 3 most common types of hamster
mesocricetus auratuscricetus cricetuscricetulus griseus
Where do hamsters originate
syria
what are the outbred hamster species
golden syrian, european hamster, chinese hamster
what are the inbred hamster species
many have been developed to study specific diseases
Describe the behaviour of hamsters
nocturnal, female larger and more aggressive than male. bites if handled roughly, suddenly disturbed or when startled. chew on and escape from their cage. ideally housed singly. coprophagic
describe the cheek pouches of hamsters
highly distensible, devoid of glands and lymphatic tissue, ideal site for tumor induction, transplantation and xenograft
what are the problems associated with cheek pouches in hamsters
can put pups in cheek and suffocate them. also can impact or get infected
what are the hip glands in hamsters
in adult male, used for marking, located on either flank
Describe the teeth of a hamster
1/1, 0/0, 0/0, 3/3. Incisiors grow continually, molars retain food
describe the stomach of a hamster
divided into two portions, glandular and non glandular. distinct constriction between the two.
describe the intestines of a hamster
long intestines except the ileum
describe the brown fat of a hamster
ventral to and between scapula
describe the eyes of a hamster
also have harderian glands (behind eyeball)
describe the kidneys of a hamster
extremely long renal papillae that extend into ureterhigh urine concentration capacity (1.060) urine is turbid, milky and contains crystals urine proteins normally present (high levels)
What is the lifespan of a hamster
18-24m
What is the body weight of a hamster
95-150/85-130g
Describe hibernation in the hamster
permissive hibernators. Low environmental temp
Describe the reproductive tract of the female hamster
bicornuate uterus6-8 pairs of nipplesthree openings in the perineal areaviewed from above, pointy behind
describe the reproductive system of the male hamster
open inguinal canalos penislarge testes and seminal vesiclestwo large fat bodies cranial to the testesviewed from above: rounded behind
what is the estrus cycle length of a hamster
4 days
what is the duration of gestation for a hamster
15-16d
when are hamsters weaned
20-25 days
describe the PP estrus in hamsters
infertile
Describe female hamsters during estrus
aggressive toward the male except at the onset of estrus.
do hamsters cannibalise their young?
yes, cannibalism is common. primiparous female (first litter)
Describe newborn hamsters
hairless, blind, have closed ears and underdeveloped limbs. pups begin to eat at 7-10d of age
how do you house hamsters
shoebox cage with bedding. change cage 1x/week
how do you provide water for a hamster
water bottle or automated system
describe using a feeder with a hamster
slots of hopper must be large enough.
what do you feed hamsters
rodent chow: 16% protein minimum (less: alopecia). 4-5% fat
how do you handle hamsters
picked up in a small container. cupping of hands, scruffing: a lot of loose skin due to cheek pouches
what procedures are done on hamsters
SC, IM, IP, blood collection
describe non terminal blood collection in hamsters
jugular, saphenous
describe terminal blood collection in hamsters
IC under anesthesia
where do you do IV injections in the hamster
saphenous, cephalic
What is the scientific name for a gerbil
meriones unguiculatus
where do gerbils come from
mongolia, siberia, and northeastern china
describe the behaviour of a gerbil
clean, nearly odorless, burrowing habits: need lots of bedding, active 24hrs a day without being specifically nocturnal. friendly, curious and social in groups. barbering. easy to handle, foot stomp
when do gerbils do the foot stomp
when fearful, startled, excitedto attract attention or express aggressionafter sexual activity
describe the tail of a gerbil
very thin layer of skin. sloughing, skinless tail then falls off
describe the abdominal sebaceous gland pad of the gerbil
observed in both sexes, used to mark territory and pups oval in mid-ventral region; covered by darker hair
describe the stomach of a gerbil
divided into 2 portions
describe the dental formula of a gerbil
1/1, 0/0, 0/0, 3/3, continuously growing incisiors
describe spontaneous convulsive seizures in gerbils
similar to idiopathic epilepsy in humans. begins at 2 months of age, occurs in 1/2 of gerbils. elected by stress
describe why gerbils are susceptible to strokes
incomplete circle of willisresistant to radiation
describe lipemia and hypercholesterolemia in gerbils
even on diets with standard fat levels (4-6%). beware of high fat rodent chow (> 6% fat). sunflower seeds, will develop hepatic lipidosis and gall bladder stones
what are gerbils used for
in the study of lipid metabolism
describe the lifespan of a gerbil
3-4yrs
describe the typical bodyweight of a gerbil f/m
55-85g/g6-100g
Describe urine and feces production in the gerbil
only a few drops of urine are produced a day. dry, small, hard feces. bedding remains odourless for several weeks
what is the estrus cycle length of a gerbil
4-6d
describe the duration of gestation of a gerbil
24-20d (up to 42d)
when are gerbils weaned
20-26d
describe the mating system of a gerbil
gerbils mate for life (monogamous) - can use harem system/loss of mate.
Do male gerbils help take care of their young
yes they do.
describe housing for a gerbil
solid bottom shoe or glass aquarium. secure lid
describe bedding for a gerbil
thick, hardwood chips, wood shavings, recycled paper pellets and sand. no cedar.
what food do gerbils eat
rodent chow (16-22% protein, low fat)limit sunflower seeds
Describe the behaviour of the pig
friendly, docile, react poorly to improper handling or stressful conditions. Enjoy regular human interaction
what are the medical conditions induced by stress:
gastric ulcers.
How many different species of pigs are there
over 85 different types. farm pigs are large species, but there are also mini and micro pigs
describe the hanford (miniature pig)
white skin, very little fat. heart size is similar to humans. adult weight 70-90kg
describe the yucatan pig
dark pigmented skin, little or no hair. docile: easy to handle. Ventricular septum defect line. available. adult weight: 70-90kg
describe the gottingen pig
comparable size to micro pig. very well defined genetics. adult weight: 35-40kg
Describe the sinclair pig
from four feral breeds. different hair colors. slower growth rate. unique model for melanoma. 35-55kg
what are the other types of pigs available
micro pig: from selective breeding of yucatan pig males =/- 50kg, female +/- 40kgalso SPF, germ free, transgenic
What types of pigs do suppliers sell
random bred and purpose bred pigs
describe the advantage to purpose bred pigs
you have all the records + better quality animals
describe purpose bred pigs
sinclair, gottingen etc. a company that makes specific breeds
why do we use purpose bred pigs in the lab
valuable model: similar heart and skin to humans. Pigs are used in cardiovascular, integumentary, immunologic studies, agriculture and vet research.
What is the advantage of using mini/micro pigs
smaller and more manageable.
what is the disadvantage of using mini/micro pigs
more $$$$$
describe the housing for pigs
bedding. if compatible: place them together.
Describe enrichment for pigs
treats, suspended things with a chain: i.e.: basketball
Describe bedding for pigs
pigs are rooters and like to be clean. solid textured floor. deep bedding. they like to urinate and defecate where it is damp. put water on one side, and food on the other.
describe food for pigs
pigs are omnivorous. Eat pig chow. do not overfeed. do not fatten up mini pig
describe water for pigs
need to be clean and always available. dehydration and can get salt poisoning. Can use an automatic watering system or a trough
what are the restraint methods for pigs
gentle handling to avoid stress, panepinto sling
how do you orally dose a pig
gavage, PO
how do you give an iv injection to a pig
inject into the medial auricular vein, lateral auricular vein
how do you do blood sampling in a pig
in the cranial vena cava, jugular, ear veins.
where do you do IM injections in the pig
neck, caudal thigh (use long needle)
describe anesthesia for pigs
12hr fasting. water not restricted unless surgery on stomach
describe ET tube intubation in pigs
can have laryngospasm. intubation on ventral or dorsal recumbency.
describe surgical monitoring in the pig
jaw tone, toe pinch, HR, BP, RR
what tranquilizers/anticholinergics do you use in the pig
ace, atropine, glyco
what anesthetics can you use in the pig
ketamine, dexmedetomidine, barbituates, propofol, isoflurane
what analgesia can you use in the pig
opioids (butorphanol, buprenorphine, oxymorphone). NSAIDS (meloxicam, carprofen)
describe the history of the use of dogs in research
less than 1% of research yet still vital. more difficult for the public to accept. was the most common one used in the 17th century due to availability and ease of handling. 1st successful kidney transplant was on dogs.creation and testing of artificial hips and joints, and pacemakers. using dogs the heart and lung machine was developed.
describe the use of dogs in research
cardiovascular and respiratory system. similar to humans and good size to work with. cataract research,toxicologydog diseases, nutrition, behaviour and surgical procedures, also diabetes: lupus, thyroiditis, hepatitis
what are the types and sources of dogs used in research
random source,purpose bred for research
How are random source dogs obtained
from licenced vendors, or from pound. cheaper but no medical history is known.
how are random source dogs conditioned
been through quarantine and conditioning to be more stable.
what are the typical dogs theatre purpose bred for research
beagles,labradorsmongrels (hound type)
what is there advantage to purpose bred dogs
uniform population
what is the disadvantage of purpose bred dogs
$$$$$
what is the goal of quarantine of dogs
to prevent cross contamination
how do you quarantine/condition dogs
gpe, bw, id, heath record, vaccination, parasite tx/prevention, lab testing, bw monitoring, daily observation
how do you house dogs
many variations. ensure that lower ranking dogs always have sleeping/ hiding places, food, water. or group singly.
how do you socialize dogs and when is the optimal period
give them human/animal interaction between 4-14 weeks of age
is exercise manditory in a dog
yes
describe the use of cats in research
similar anatomy and biochem of the brain to human. auditory disorders, eye research, leukaemia. FIV: one of the few that develops immune deficiency syndrome. Glowing transgenic cats. Toxoplasmosis, mammary, cancer, cat disease, nutrition and behaviour
what are the type and source of cats used in research
random, conditioned and purpose bred. purpose bred: referred to as SPF cats
how do you house cats
in groups if possible. must have sufficient space, shelves, litter boxes, food and water bowls. If small cage: need an exercise pen.
what enrichment do you use for cats
scratching, rolling toys, vertical space
what happens to cats in poor housing conditions
become inactive and stop normal behaviours
what are the uses of ferrets in research
influeza, distemper, GI ulcers, endocrinology, toxicology, cystic fibrosis: similarity between ferrets and humans in lung anatomy, lung cell biology and response to certain lung pathogens
where are ferrets for lab use obtained from
sold as research animals
what do you do in quarentine for ferrets
must be vaccinated against distemper
describe new world monkeys (platyrrhine):
absence of ischial callositiesabsence of cheek pouchesprehensile tail in some speciesnasal orifices wide apart
describe old world monkeys (catarrhine)
ischial callosities in some speciescheek pouches in some speciesabsence of prehensile tailnasal orifices close together
List out the new world monkeys
squirrel monkey - salmiri sciureuscapuchin monkey - cebus apellacommon marmoset - callithrix jaccusgolden lion tamarinowl monkey
list out the old world monkeys
african green monkey - cercopithecus aethiopspats monkey - erythrocebus patasbaboon - patiorhesus monkey - macaca mulattacynomolgus monkey - macaque fascicularispigtail monkey - macaca nemestrinastumptail monkey
describe the anatomy characteristics of monkeys
great strength and agility. cheek pouches in some old world species, sex skin around genital, tails and thighs in some old world species (skin is red + swollen in estrus)ischial callosities in some old world species (butt callous)large canine teeth in males of some speciessimple type uterusall old world primates have menstrual bleeding as a feature of the sex cycle
describe the social behaviour of a monkey
don’t stare a monkey in the eye. fear smiles: sign of submission. groom each other to establish social bond
describe the use of cattle in research
used in many argricultural and veterinary research institutes for teaching and research on beef and dairy production and husbandry. used for cardiovascular surgeries.
where are cattle supplied from for research
established breeder who has healthy, disease free and genetically defined animals, public market, breeding at the research place
what are the disadvantages to public markets selling cows
no history, stressed, exposed to infectious agents
describe the quarantine and conditioning period for cows
lasts 2-4 weeksGPEBWidobservationfecal, dewormingvaccines (e coli, BVD, IBR, lepto)
describe routine health maintence of cattle
daily observationbw monitoringfecal, dewormingvaccinationfeed + water intake monitoringtrimming of feet
describe the use of sheep and goats as lab animals
:used for cardiovascular and respiratory systems research.:orthopedic research:production of antiserum:reproductive studies:transgenic:agricultural and vet. research
why are goats/sheeps used for cardiovascular and resp. systems research
similar anatomy to humansgood for development of surgery procedures, heart valve replacement
why are goats/sheeps used for orthopaedic research
trauma research, models for disease: injury to bones, joints and musclesosteoporosis + osteoarthritis
why are goats/sheeps used for production of antiserum
polyclonal antibodiessheep rbc: immunologic tests. blood transfusion research
why are goats/sheeps used for reproductive studies
model for human pregnancystudy of PDA
why are goats/sheeps used for transgenic studies
production of goat milk antithrombinproduction of F VIII + IX to treat hemophilia (sheep milk)production of AAT to prevent emphysema (sheep milk)
describe quarentine/conditioning/routine health maintence of goats/sheep
refer to cattle. group housing is preferable.
describe q fever
rickettsial infection.
how is q fever transmitted
inhalation, ingestion, direct contact with reproductive fluids or placenta. also shed in milk, urine and feces. ticks may transmit it.
describe the zoonosis version of q fever
influenza likechronic problemsDX: serologyTX: antibiotic
how do you prevent q fever
hygiene, protection, pasteurize milk, vaccination of humans and animals
describe anesthesia in cattle
ET tube intubation, then stomach tube due to gas build up in rumen
how do you recover a cow for surgery
keep ET tube in and inflated as long as possible, support animal in sternal. check for bloat
how long do you fast a cow before surgery
food: 24-48hrWater: 12-24hr
when do you give opioids to a cow
pre/post op
when do you give xylazine/diazepam to cow
pre-anesthetic
when do you give xylazine/ketamine/barbituate/propofol
for iv induction followed by intubation for inhalant agent
where do you give SQ in a cow
neck, flank, axillary area
where do you do IM in a cow
neck, quadriceps, triceps
where do you do IV in a cow
jugular, cephalic
why do we use fish in research
aquaculture (food)environmental pollution indicatorconserv and protecttransgenic
what do we use fish to study in research
type 1 diabetesoncologykidney studiesgeneticstoxicologymutagenesis
where are the fish procured from for research
wild caught, captive bred
how do you transport fish
plastic bagcool waterinsulated containeropaque container12-48hr fasting before transport
how do you acclimate a fish
30d min. separation of new batch from established oneseparate water supplyseparate equipmentdaily observation
what do healthy fish look like
good colorwell finnedno lesionsopercula covers gillsalert, interested in food
what temperature do you keep fish at
cold species: 0-10, cool species: 10-20warm species: 20-30
what does high fish water temp cause
ammonia build up
what are the signs of insufficient level of oxygen
gasping at surfacegather at fresh water intake
What is the bacteria responsible for causing mycoplasmosis
Mycoplasma pulmonis
What are the hosts of mycoplasmosis
Rats, mice, guinea pigs, hamsters, rabbits
What are the environmental predisposing factors to getting mycoplasmosis
Inadequate husbandry and ammonia build up
How is mycoplasmosis transmitted
Aerosol or vertical transmission
What are the clinical signs of mycoplasmosis
Seem healthy in beginning. Can be sub clinical. Sneezing, secretions, porphyrin staining. Or head tilt.
How do you diagnosis mycoplasmosis
Serology
What is the bacteria responsible for causing pseudotuberculosis
Corynebacterium kutscheri
What are hosts for pseudotuberculosis
Rats and mice
What are the predisposing factors for pseudotuberculosis
Other diseases and stress
How is pseudotuberculosis transmitted
Aerosol
What are the clinical signs of pseudotuberculosis
Sub clinical, abscesses, respiratory signs
How do you diagnose pseudotuberculosis
Necropsy, culture, pcr
What is the host of pseudomonas aeruginosa
Rodents
How is pseudomonas aeruginosa transmitted
Through contaminated sources. Humans are carriers and it is everywhere. Bacteria lives in gi tract and can contaminate water
What are the clinical signs of pseudomonas aeruginosa infection
If healthy: a symptomatic. If immunosuppressed: generalized infection (septicaemia) and acute death
How do you prevent pseudomonas aeruginosa
Autoclave, acidify water, clorinate the water
What bacteria causes tyzzers disease
Clostridium piliforme
What are the hosts for tyzzers disease
Rodents and other species
What are the clinical signs of tyzzers disease
Non specific digestive signs. Diarrhea, dehydration, lethargy. Can also be sub clinical
How do you diagnose tyzzers disease
Serology, pcr
What bacteria causes salmonellosis
Salmonella enteritidis and thyphimurium
What are the hosts of salmonellosis
Vertebrates
What are the clinical signs of salmonellosis
You will shit everywhere with blood
What is special about salmonellosis
It is a zoonosis
What is the bacteria responsible for staphylococcus infection
Staphylococcus aureus
What are the hosts for staphylococcus
Rodents and humans
How is staphylococcus transmitted
Direct contact
what are the clinical signs of staphylococcus
Dermatitis (alopecia, errythemia, pustules)
What is mycoplasmosis
Murine respiratory m.
What bacteria causes rat bite fever
streptobacillus moniliformis
What are the hosts of streptobacillus moniliformis
Rodents and humans
What are the clinical signs of streptobacillus moniliformis
A symptomatic in rats. However if rats contaminate mice then the mice get septicemia.
What are the symptoms of streptobacillus moniliformis
Fever, mono like symptoms. Can also cause arthritis
How is transmissible murine colonic hyperplasia spread
Contaminated food, water, bedding.
What is the host for transmissible murine colonic hyperplasia
Mice
How is transmissible murine colonic hyperplasia spread
Fecal oral route
What are the clinical signs of transmissible murine colonic hyperplasia
Stained anus, dehydration, lethargy, anorexia. Non specific digestive signs. On necropsy: colon will thicken.
How do you diagnose transmissible murine colonic hyperplasia
Pcr
What are the clinical signs of helicobacter
Jaundice
What are the clinical findings on necropsy if you have helicobacter
White spots on liver
How do you diagnose helicobacter
Pcr
Which virus causes the rcv sda virus
Corona virus
How do you transmit rcv-sda
Aerosol, fomites
What are the clinical signs of rcv-sda virus
Coughing, porphyrin staining, enlarged neck.
How do you diagnose rcv-sda virus
Serology
What is the host of the Sendai virus
Mice
How is the Sendai virus transmitted
Through Aerosol. Highly contagious
What are the clinical signs of the Sendai virus
Can be subclinical or respiratory signs. Ruffled or hunched
How do you diagnose the Sendai virus
Pcr
What is the hantaan virus
A zoonotic virus.
What are the hosts of the hantavirus
Wild rodents
How is the hantaan virus transmitted
Virus is shed in saliva , urine and feces
What are the clinical signs of the hantaan virus in rodents
Sub clinical
What are the clinical signs of the hantaan virus in humans
Kidney failure, hemmorage, 50 % mortality
What virus is responsible for the mouse hepatitis virus
Corona virus
What is the host of the mouse hepatitis virus
Mice
How is the mouse hepatitis virus transmitted
Aerosol and feces
What are the clinical signs of the mouse hepatitis virus
Sub clinical or if you’re young= diarrhea
How do you diagnose. The mouse hepatitis virus
Elisa and Pcr
What are the hosts of the lymphocytic chorioneningitis virus
Wild mouse, or contaminated mice
What are the clinical signs of lymphocytic chorioneningitis virus
Subclinical or nervous system signs
How is the lymphocytic chorioneningitis virus spread
Body fluids
What are the clinical signs of lymphocytic chorioneningitis in humans
Flu like disease. Fatal encephalomeningitis
What fungus transmits dermatophytosis
Trichophyton mentagrophytes
How is dermatophytosis transmitted
Direct contact
What are the clinical signs of dermatophytosis in rodents
Alopecia and dermatitis, redness
What are the clinical signs of dermatophytosis in humans
Circular, red, alopecia
What are the two types of pinworms
Syphacia obvelata and syphacia muris
Describe pinworms
Adults in cecum and colon. Eggs are deposited in Perianal region. Eggs are infectious within a few hours. Ingest eggs
What’s the difference between syphacia obvelata and aspicularis tetraptera
Eggs are deposited in colon. Eggs are shed in feces. Eggs are ingested
What are the clinical signs of aspicularis tetraptera
Sub clinical but can affect behaviour
How do you diagnose aspicularis tetraptera
Tape, fecal
How do you treat pinworms
Ivermectin, fenbendazole, good sanitation
What is hymenolepis nana’s cycle
direct or indirect
What is hymenolepis diminuta’s cycle
Indirect cycle
What are the clinical signs of tapeworms
Sub clinical. Diarrhea if big infestation
What are the clinical signs of giardia muris
If animal is immunosuppressed then they could have diarrhea, dehydration. Otherwise sub clinical
What is the name of the mites of rats
Radfordiaensifera
What are the signs of mites in a rat
Sub clinical, itchy, alopecia, ulcerative dermatitis, oily skin
How do you diagnose rat mites
Tape, Pcr, skin scraping
How do you treat mites in a rat
Ivermectin
What is malocclusion
Broken teeth or bad alignment
What is the etiology of ring tail
Low humidity, high temp, malnutrition, genetic
What are the clinical signs of ring tail
Mild: hyperemia. Moderate: permannular constriction. Severe: tail slough
What happens with neoplastic disease in rats
Incidence increases with age. Mammary tumours, testicular tumor: especially in F344 rat. Pituitary tumours. Leukaemia
What is urolithiasis in rats
Variety of symptoms. Composition: ammonium magnesium phosphate, carbonate, oxalate. Occasionally confused with copulatory plug.
What are the 4 non infectious diseases of rats
Malocclusion Ring tailNeoplastic disease Urolithiasis
What are the 5 non infectious disease of mice
Barbering Alopecia of muzzle Bite wounds AmyloidosisNeoplasms
Where do mice get bite wounds
From dominant male cage mates
What is amyloidosis
Occurs spontaneously in old mice. Insoluble protein called amyloid. Vital organ function decrease, not treatable.
What are the common neoplasms in mice
Mammary rumours. Lymphoma. Pulmonary tumors
What is the scientific name of the rabbit
Oryctolagus cuniculus
What is the family of the rabbit
Leporidae
Where do rabbits originate
Europe and North western
What is the most famous rabbit scientific research
The first rabies vaccine was given by Louis Pasteur
What are the two types of rabbit used in laboratories
New Zealand whiteDutch
describe the behaviour of the rabbit
Generally timid, non aggressive, curious but easily startled. Some aggressive or defensive behaviour. High pitched scream. Toilet trainable. Can be housed together
What is common of rabbit teeth
Malocclusion issues, also need trimming of peg teeth and front teeth
Describe the stomach of a rat
Glandular like, cannot vomit
Describe the cecum of a rabbit
Extremely important. Has a cecal appendix
What is the sacculus rotundus
Important lymphoid tissue
Where is the sacculus rotundus located in the rabbit
Between ileum and secum
Describe the colon of the rat
Sacculation: groves to increase surface area
What is the composition of the “day” dry feces in rabbits
Indigestible fibers
What is the composition of the night feces
Moist. B vitamins, water, nitrogen.
What does the color of urine of a rabbit depend on
Varies due to what’s eaten
Why is rabbit urine turbid
Due to high amount of crystals
Describe the musculoskeletal system of a rabbit
High amount of muscle mass but very light bones. 7% of BW is skeleton.
Describe the mammary glands of the rabbit
8-10. Distribution is from neck to inguinal region. Males have no nipples
Describe the eyes of a rabbit
Third eyelid is developed. They have harderian glands there.
Where are the scent glands of a rabbit located
In inguinal pouch. On either side of vagina or penis
What are the scent glands of rabbits used for
To mark territory
What is a dewlap
A layer of fat on the chin. Mostly females, can cause moist dermatitis.
Describe the ears of a rabbit
Thermoregulation (vascular). Auditory and sensitive.
Describe the hematopoietic system
Neutrophil (heterophil) = 20-35%. Eosinophil: 0-4%
Describe the female reproductive system of a rabbit
Bicornuate and double cervix.
Describe the reproductive system of a male rabbit
Open inguinal canal. Scrotum is cranial to the penis. Testis descend at 12 weeks.
What is the estrus cycle length of a rabbit
Induced ovulator
How long is ovulation
9-13hours post copulation
What is the duration of gestation in a rabbit
29-35 days
When are baby rabbits weaned
4-6 weeks
When do rabbits nurse
1x a day (3-4 mins)
What is a milk replacement for rabbits
Kitten formula
What is the lifespan of the rabbit
5-7 years
What type of cages can rabbits be house in
Suspended or plastic cages
What is necessary for rabbits from a husbandry standpoint
Need to give food enrichment: greens, hay
What are the typical hosts for Pasteurellosis
Rabbit, (rodent, bird, farm animals).Very frequent in pet rabbits
How is Pasteurellosis transmitted
direct contact (major); respiratory aerosol
What are the predisposing factors to Pasteurellosis
virulence, pre-existing Bordatella Bronchiseptica. Stress
What are the clinical signs of Pasteurellosis
snuffles, pneumonia , torticollis, bacteremia, acute septicemia
What happens if you’re young and you get the pneumonia symptom from Pasteurellosis
sudden death
what is torticollis
head tilt
Where can the bacteremia abcesses be located
in mammary glands, in kidney/any organ. Can also cause a pyometra
How do you treat Pasteurellosis
difficult. use baytril. very difficult to completely cure. can be a chronic asymptomatic carrier.
How do you prevent Pasteurellosis
Have spf animals
How do you diagnose Pasteurellosis
culture, immunologic tests
what is orchidis
infection of testes
What causes bacterial enteritis (enteropathies)
common, specific course not always found: combination of organisms
What specific bacteria cause enteropathies
Tyzzer’s disease (clostridium piliforme.) - Poor sanitationClostridium enterotoxemia (c. spiriforme)Colibacillosis
What are the clinical signs of bacterial enteritis
Sudden death to more prolonged disease
What are the clinical signs of staphylococcus aureus
localized dermatitis, or systemic (pneumonia, abcesses, mastitis, septicemia, conjunctivitis)
What causes dermatophytosis (ZOONOSIS)
Trichophyton Mentagrophytes
What is the transmission method of dermatophytes
Direct contact
What are the clinical signs of dermatophytosis
can be subclinical or alopecia, arrhythmia, crusts or scabs
What is pinworms
a nematode, passalurus ambiguus.
Where do you find pinworm eggs
found in feces, not pathogenic but can affect the rabbit.
how do you treat pinworms
fenbendazole, ivermectin
what is coccidiosis (intestinal form) caused by
a protozoan. its common but subclinical.
how is coccidiosis (intestinal form) transmitted
fecal oral in combination with bacterial disease
how do you diagnose coccidiosis (intestinal form)
fecal
how do you treat coccidiosis (intestinal form)
sulfa (s-125). amprolium
What is the hepatic form of coccidiosis caused by
eimeria stiedae.
How is the hepatic form of coccidiosis transmitted
fecal-oral transmission. the cycle is different from enteric coccidiosis
what are the clinical signs of hepatic coccidiosis
more severe. Liver dysfunction. Hepatomegaly, Icterus
How do you diagnose hepatic coccidiosis
fecal + necropsy
How do you treat hepatic coccidiosis
difficult to treat. disease may remain for life. only possibility of success is early treatment: there is frequent relapse. Treat environment. Use sulfonamides to treat.
how do you prevent hepatic coccidiosis
spf rabbit
What causes encephalitozoonosis (pseudozoonosis)
encephsalitozoan cuniculi
What breed of rabbit is encephalitozoonosis
dwarf rabbit especially susceptible
How is encephalitozoonosis transmitted
transplacental urine.
what are the clinical signs of encephalitozoonosis
most chronic and subclinical (retarded growth). in rare case: neurological signs, postmortem: kidneys + brain
How do you diagnose encephalitozoonosis
serology, pcr of infected tissues.
What is treatment for encephalitozoonosis
fenbendazole
what causes ear mites
psoroptes cuniculi
what are the clinical signs of ear mites
itchy, crusty, etc
what is the treatment for ear mites
topical treatmentivermectin (po, sq)revolutioncleaning of ears and environment
what causes fur mites
cheyletiella parasitivorax
what are the clinical signs of fur mites
asymptomaticalopecia, dander, often on the back
How do you diagnose fur mites
scotch tape
how do you treat fur mites
revolution, ivomec
What is buphthalmia
autosomal recessive genetic disorder
what are the symptoms of buphthalmia
bulging eyes
how do you diagnose buphthalmia
check IOP
How do you treat buphthalmia
euthanasia