FAM rotation final Flashcards
Lumpy jaw tx is __ ___ and prognosis is ___
sodium iodine; prognosis is poor if infection is severe
Bacillus antrhacis produces gram ___ aerobic, spore-forming rods
gram +
Moraxella bovis causes what pathognomonic sign?
central corneal ulcer (younger individuals more predisposed)
Tx LA-200/300 and if severe needs 3rd eyelid flap or tarsorrhaphy
non-cornified cells are ____ and _____ and look like fried eggs and tell you she is in ____ with WBC’s present?
What if NO WBC are present?
Intermediate and parabasal; diestrus if WBC’s
but without any WBC= anestrus
you see intermediate cells with some cornified and RBC what stage is she in?
proestrus
what about if you see all cells cornified?
estrus
too much protein in cow’s diet causes….
increased urea and increased BUN= nitrate toxicity
what if you see dramatic shift from cornified back to intermediate/parabasal/WBC’s on cytology?
diestrus
what is the 2-2-2 rule in therio?
2 ng/day of progesterone= LH surge
2 days later they will ovulate
2 days later you breed her/she is fertile
how should you manipulate a calf if it is presenting in abn position during dystocia?
push the calf completely back in the uterus and then move the limbs into the correct position medially to avoid uterine or vaginal tears
How do you perform a vaginal cytology
swab the cranial vaginal, roll on slide and stain with Diff Quick
what does a progesterone of 2.0 mean
LH surge
what does a progesterone level of 4-6 mean
ovulation
what does progesterone level of 10 mean?
fertile
how long does semen live in the repro tract? Chilled? Frozen?
they live in the reproductive tract for 5-7 days
chilled 3-4 days
frozen 18-24 hours
when should you ntr a pig? What about spay a pig?
ntr at 8-10 weeks and spay at 3 months
Puberty of pigs occurs at ___-___ months
what vax do we give?
2-4 months; do vax: erysipelas, lepto, bord, parvo, pasturella
what is the estrous cycle of a pig? What about the estrus cycle? Gestation length?
Estrous 19-22 days
estrus is about 3 days
gestation is 110 days
“creeper” or downer cows causes “THE M’S”
Metabolic derangements
Metritis
Mastitis
Milk fever (hypocalcemia)
Misc.
Musculoskeletal issues
massive infections/septicemia
decreased ____ and ___ and _____are common with downer cows
calcium, phosphorus and potassium
what is common that we diagnose in Ketoacidosis cattle?
measure bodily fluid Beta-hydroxybutyrate (should be less than 1.4 and if it is increased more than 1.4 then it is ketoacidosis)
what is common in obese dairy cattle in early lactation or late gestation and is worse prognosis than toxemia/ketosis?
fatty liver syndrome
neuro signs in whole herd possible diagnosis-
vitamin A, salt tox, nervous coccidiosis
L displaced abomasum is usually in PP cow with decreased milk and hypomotility and will have a ping where?
between the 10th and 13th ribs, on the left side. Ddx is right flank pyloric omentopexy
RDA and abomasal volvulus
ER and fatal situation, RDA is just displacement with partial obstruction (can progress to abomasal volvulus which is hemorrhage strangulation like GDV)
most common cause of anterior abdominal pain (will have NEGATIVE withers pinch test bc does not want to press down into the sternum because abd is sore)
traumatic reticuloperitonitis, liver disease, hardware dz, etc. etc.
what are the 4 syndromes of vagal indigestion?
type 1- failure of eructation/free gas bloat
type 2- omasal transport failure
type 3- abomasal outflow failure
type 4- indigestion of late pregnancy
prognosis with vagal indigestion
poor-guarded
how does a cow present with vagal indigestion?
abdominal distension, papple shaped with L shaped rumen on rectal
what causes hairy heel wart?
Treponema denticola
Diagnosis of corynebacterium pseudotuberculosis
Gold standard/def. diag. is needle aspirate from LN and culture it
where do toe/sole abscesses start? What is the TX?
At the heel bulbs, tx by removing all underrun/detached sole
Hairy heel wart (more common in dairy)
digital dermatitis, most common cause of lameness in dairy cattle, tx with tetracycline
foot rot IN SMALL RUMINANTS aka interdigital phlegmon?
WHAT ABOUT COW FOOT ROT???
small ruminant–> Dichelobacter nodosus
cow foot rot–> Fusobacterium necrophorum
what is it called when we do a salvage procedure to drill a joint?
Facilitated ankylosis
WHat Tx of foot rot and foot scald is…
Aggressively trimming and debriding the areas and foot baths, can do abx in foot bath- CULLL ANY CARRIERS
Diagnosis of Johne’s disease-
Fecal culture (takes months), PCR (takes about 1 week), clinical p are more likely to shed the bacteria in body fluids, test animals that are 2 years- 7 years old
What is the gold standard diagnosis test for finding BHV-1 aka infectious bovine rhinotracheitis virus (IBRV)
Qualitative PCR
What bacterial agents are commonly involved with resp. disease in cattle?
M. haemolytica, P. multocida, H. somi, M bovis, T. pyogenes
They are all Gram -
IF concurrent signs of otitis in 1 or more animals, what is most likely the agent? What if there is concurrent signs of septic arthritis in one or more animals?
H. somi., M. bovis
What can we feed to prevent ABPEE (aka Fog Fever) with lush pasture tetany?
monesin for many days
Abscess of nasal passages is usually from what agent?
trueperella pyogenes
Quick notes on mycoplasma haemolamae
CS- Signs of acute disease include inappetence, sudden weakness and sometimes fever, while chronic signs may present as lethargy, weight loss/wasting, or decreased fertility.
Transmission- transmission is via biting insect vectors. Iatrogenic transmission (reused needles or blood transfusions) is also possible.\
Diagnosis- PCR
Tx- oxytetracycline, will help with CS but will not eliminate the carrier state
What is the tx of necrotic laryngitis aka calf diptheria
Pen, tetracycline +/- temporary tracheostomy
causative agent is Fusobacterium necrophorum,
What is the most common endemic virus in the US?
Bovine Herpes Virus BHV-1, aka Bovine Infectious rhinotracheitis
what are the limits with testing for Johne’s disease?
diagnosis is gold standard with fecal culture in calves in individuals more than 4 y/o
in small rum, it is fecal PCR though
Only what strain of BVDV can cause a PI calf?
NCP (non-cytopathic) strain
if NCP strain of BVDV calf is PI and the virus mutates or P becomes infected with the CP strain, what happens?
will get mucosal disease which is most common as BVDV genotype 2 and p can die from it, this may also occur if PI calf is given the BVDV vaccine
Enterotoxigenic E. coli (ETEC)
young calves, less than 5 days old, can be prevented with maternal vaccine at 6 and 3 weeks of gestation
What virus causes diarrhea all affect cattle at ages 5-15 days old?
rota, corona, and crypto
tx hair heel wart in (dairy) cattle with…
tetracycline foot bath
fluids for cattle __mL/kg daily requirements
50mL/kg
congenital defects occur at what point in gestation when infected with BVDV?
100-150 days of gestation (causes cerebellar hypoplasia)
PI with NCP strain becoming infected with CP strain=
mucosal disease and possible death
PI calf with NCP without any other strains infecting it=
lives years as PI
Caprine arthritis and encephalitis virus in GOATS (CAEV) main route of infection is what? What are the four CS and what is the causative agent?
Colostrum is the main route
4 CS are
1. encephalic form- neuro signs and circling “wry neck”
2. pneumonia- interstitial with a chronic cough and increased RR
3. arthritis most common
4. Mastitis (hard milker, less milk production)
Causative agent is lentivirus
CAEV in GOATS is like___ of sheep
Ovine Progressive pneumonia (OPP)
OPP causes what four CS in sheep?
- pneumonia
- encephalitis
- mastitis
- arthritis
Also a lentivirus
.
,
What is the normal TPR vitals for camelids:
T 99-102
RR 10-30
HR 60-80
12 ribs, 2 toes and increased glu vs. other animals
core vax for camelids-
CDT (clostridium perfringens C and D with Tetanus
What are the 2 most common trichostronglyes in camelids?
H. contortus and Trchostringlyus colubriformis
What are the 2 large coccidia native to camelids (unique)?
Eimeria macusaninesis and Eimeria ivitanesis (tx with Poazuril)
Central ulcer in cow eye is likely what?
Pink eye (morazella bovis) and it is usually unilateral
SCC sites in cattle are…
Limbus, 3rd eyelid and palpebra
Wooden tongue
Actinobacillosis lingieresii
lumpy jaw is caused by…
Actinomyces bovis
Tx for lumpy jaw and wooden tongue is…
sodium iodide IV, oxytetracycline orally or IV and diagnosis is based on CS alone bc they are both n inhabitants of the oral cavity
Sulfur granules and abscesses with osteomyelitis means…
actinomycosis bovis aka lumpy jaw
What is primary bloat
frothy, fermented gas, needs a stomach tube and is usually seen with hypomotility, adhesions and will have pear shaped abdomen with colic signs
What is secondary bloat
free gas bloat, seen with grain overload and other stuff
FPT is defined as <_____ mg/dL
<1000mg/dL
blocked goat, what sx is gold standard with long-term success?
tube cystotomy, best for breeding and long-term success very $$$
for uroliths in small ruminants, what are the different preventative strat?
Maintenance 2:1 calcium to phosphorus ratio, decreased magnesium and increased forage vs. grain, castrate
What is the number one agent causing pneumonia in post weaning dairy cattle?
Pasteurella causing pneumonia
cornified cells are ____ and ____ and tell you she is in ___
superifical and anuclear; estrus
Listeria test
CSF tap- will see pleonuclear monocytosis with microabscesses on histo of the brain
Severe anemia small rum R/O
H. contortus, E. mac, Mycoplasma Haemonlane
Give pregnant ewes ___ in the last ___ weeks of gestation because that is where the most fetal growth occurs
grain; 6 weeks
estrous in goat is _____ days
estrous in sheep is ___ days
21 days; 17 days
sheep and goat gestation length is ___ days
150 days
paravertebral nerve block blocks nerves ___, ___ and ____
T13, L1 and L2
Proximal paravertebral nerve block landmarks are…
find the cranial edge of L1, L2, and L3
distal paravertebral nerve block landmarks..
Transverse process of L1, L2, and L4
Landmark of the cornual branch of the lacrimal nerve..
branch of trigeminal nerve (CN5) which is halfway between the lateral canthus and the base of the horn
Vegetative valvular endocarditis CS-
will hear murmur over any valve but usually the tricuspid valve in cattle
most common congenital defect in cattle (and cats)
Ventricular septal defect (VSD)
What is the most common ectoparasite on cattle and is usually on the distal limbs and perineum-
choriopties
Why should we not feed dry cattle the lactating cow diet?
increased PTH so increased calcium so concurrent hypomagnesium and hypocalcemia
What is the most common issues in castrated of male goats?
urolithiasis (bladder stones)
90-90-90 rule in HL
90% are in HL
90% are in the foot
90% are in the lateral claw
so hind foot lateral claw
where do sole ulcers commonly develop?
lateral claws, and both hind feet at the sole-bulb junction
what is the most impt time for colostrum absorption?
4-6 hrs
serum conc of IgG peaks at ___ hours of age.
Cannot test for FPT before 24 hrs or after 5-7 days
36 hours
absorption of colostrum decreases after __ hours of age
12 hours
Listeria can affect CN ___ and ____ and leads to…
CN 7 and 8 and leads to abortions
____ disease are obligate anaerobic gram + normal inhabitant of the gut and environment
clostridia
Contagious vs. environmental mastitis–
contagious- prevent with post dip, strep ag., staph aureus., M. bovis (cull)
environmental- prevent with pre dipping teats, coliforms (E. coli, Klebisella), strep species
“Heifer mastitis”
if caused by Trueperella pyogenes then it is also called summer masititis, common with dry period, coag - staph, kill the quarter, also cull if nocardia +
Zoonotic, bad, cull
increased forage means more ____; increased starch means____
Increased acetic acid= buttermilk fat; Increased propionate acid= increase lactose levels/milk production
How many days in cattle breeding season?
65 days
List the percentage with intervals of each breeding cycle?
1st interval- > 65%
2nd interval- about 25%
3rd interval- +/- 10%
The first two intervals of the breeding season/cycle should equate to about ___% pregnancies or more
about 90%
10% of colostrum is needed within the ___-___ hours after birth
2-6 hours
there is a 9.5x more chance of calves with FPT to be from ____
heifer
what does it mean if we hear a ping between 10-13 rib on the L side?
LDA
What does it mean if we hear a ping on the right side between the 10th and 13th rib?
RDA
What if we hear a ping in the R or L paralumbar fossa?
on left side=LDA
on right side= cecum
What if we hear a ping OUTSIDE of the R or L 10-13th ribs?
Abomasal volvulus
Where do we hear lung sounds in cattle (the infamous triangle)?
Point of the elbow to the T13 at the transverse process, caudal to the triceps
Auriculopalpebral block
half way between base of EAR (not horn like with the cornual block) and lateral canthus of eye, 15 mL
Cornual block
half way between base of horn and lateral canthus of eye, 15 mL
Landmarks for neck injections in food animals:
Landmarks: cranial border of scapula, nuchal ligament, cervical spine
Peterson block-
○ Curved spinal needle used
○ Blocks optic nerve
○ Junction of supraorbital process/zygomatic arch –> advance needle ventromedially
Go back to the bony part of the eye (foramen orbitorotundum) –> inject 20-30 mllidocaine
how do we know paravertebral nerve block worked?
Dec pain sensation
Blocked area feels warmer to the touch (vasodilation)
Scoliosis (unilateral m relaxation)
Therio drugs- Progestagens
Megestrol acetate → estrus suppression in dogs
Altrenogest: P4 supplementation, block estrus behavior
Therio drugs GnRH analogs–
Deslorelin/Sucramate: ovulation induction
Therio Prostaglandins (Lutalyse, Estrumate, Misoprostol, Prostamate)-
Effects CL function → pregnancy termination (when CL is sole source of P4)
Short cycling: shortens ovulation intervals → terminates CL early
Smooth m contraction: expel uterine fluids w endometritis
Pyometra tx - opens cervix after lysing CL, contractions, neutrophils
embryo collection is usually done on day ____ after ovulation
day 8
urogenital exam palpation on bull-
● Urethralis m, prostate, seminal vesicles, ampullae, inguinal rings
● Scrotum, sheath, penis
● >24mo should be 34cm scrotal circumference!
Tritrichomonas foetus-
Found in genital tracts, most cows free of infection by 3 months but re-infection can occur
Causes infertility/embryonic death
TB test
aka Intradermal Tuberculin test aka Caudal Fold Tuberculin test
Bovine Purified Protein Derivative (PPD) 0.1mL injected in caudal fold → read 72 hours later
If positive, animal is a “Reactor” -> call state vet to do CCT
TB test doing a comparative cervical tb test–>
Do within 10 days of CFT injection
Bovine PPD at one site and avian PPD bilaterally on the neck. Check 72 hours later
Negative → no further action
Suspect → either euthanize and necropsy or quarantine for 60 days
Reactor → euthanize and necropsy
3 P’s in therio–>
● Presentation-anterior longitudinal vs posterior longitudinal vs transverse
● Position-dorsosacral vs dorsopubic or dorso right ilial/dorso left ilial
● Posture-with head and forelimbs extended vs bilateral carpal flexion etc.
Define a “true breech”?
posterior longitudinal, dorsosacral, with bilateral hip flexion
Signs of pregnancy
● Fetal membrane slip
● Amniotic vesicle
● Fetus
● placentomes
Fetal sizes-
● 60 d = mouse
● 90 d = rat
● 120 d = small cat
● 150 d = large cat
● 180 d = beagle dog
Placentomes size-
● 90 d: dime
● 120 d: quarter
● 150 d: half dollar
● 180 d: silver dollar
Horse gestation is ___ days and need ___ million sperm to breed
340 days; 500 million sperm
1-2-3 for parturition
● 1 hr: foal standing
● 2 hr: foal nursing
● 3 hr: fetal membrane passage
3 barriers of the mare repro tract:
Vulva- vulvovaginal sphincter- cervix
mare fixation of preg is __ days so smush twin before then
16 days
Canine gestation dates:
65 from LH
63 from OV
57 from cytological diestrus
2-2-2 rule for therio in dogs:
● P4 of 2.0 ng/mL= LH surge
● 2 days later = ovulation
● 2 days after that = fertile period (anything >10=fertile period)
what cells do we see with anestrus?
Parabasal and intermediate
What cells do we see with proestrus?
Mostly intermediate
Some cornified
RBCs
What cells do we see with estrus?
All cornified