BB Ch14 Flashcards
- Sheep, goats, and cattle are called _________. Their taxonomy is:
- ungulates, order Artiodactyla, suborder Ruminantia, family Bovidae
- Members of Bovidae have these characteristics:
a) Even number of toes
b) Compartmentalized forestomach
c) Horns
d) All of the above
d
- They are obligate herbivores- this means________.
- They derive all their glucose from gluconeogenesis
- Further taxonomy of sheep is:
- Subfamily Caprinae, genus Ovis. Domestic sheep are Ovis aries
- Goat taxonomy is:
- Subfamily Caprinae, genus and species Capra hircus
- Cattle taxonomy for the 2 main domesticated species are:
- Subfamily Bovinae, Genus and species Bos taurus and Bos indicus
- Breeds of sheep are classified as:
Meat, wool, or dual-purpose
- Breeds of goats are classified as:
Dairy, meat, fiber, skin-type
- Breeds of cattle are classified as:
Dairy, beef, dual-purpose
- A few of the more important uses of ruminants in biomedical research are:
- Models of cardiac transplantation, evaluation of cardiac assist or prosthetic devices, embryo transfer, gene transfer, cloning (think of Dolly), antibody production
- Basic and applied fetal and reproductive research often uses which species?
Sheep
- T or F: Auction barns or sales often provide good quality animals for research purposes.
False
- Health screening profiles for sheep might include:
- Q fever, contagious ecthyma, caseous lymphadenitis, Johne’s disease, ovine progressive pneumonia, internal and external parasites
- Health screening profiles for goats might include:
- Q fever, caprine arthritis encephalitis, brucellosis, tuberculosis, and Johne’s disease
- Health screening profiles for cattle might include:
- Johne’s disease, brucellosis, tuberculosis, tuberculosis, respiratory diseases, internal and external parasites, foot conditions, persistent infection with bovine viral diarrhrea virus (BVDV).
- T or F: ruminants are sensitive to stress, so care must be taken to insure minimal stress in handling, shipping, and housing of these animals.
True
- T or F: Ruminants are solitary animals and do well in single housing
False
- Light cycles (photoperiods) for ruminants should be:
A) 12hours light:12 hours dark
B) 8 hours light: 16 hours dark
C) 16 hours light: 8 hours dark
D) like natural conditions
E) none of the above
D
- The compartments of the upper GI tract are:
- 3 compartments of the forestomach- rumen, reticulum, and omasum. The true stomach is the abomasum
- In neonates, passive transfer refers to what?
- Intestinal immunoglobulin absorption by pinocytosis in the first 36 hrs after birth
- Ruminant erythrocytes are a) larger or b) smaller, than in other mammals.
b - smaller
- A good reference for drug-therapy recommendations in food animals is what?
- Food Animal Residue Avoidance Databank (FARAD), http://www.farad.org
- Wooden tongue is caused by which organism?
- Actinobacillus lignieresii
- Transmission of Actinobacillus lignersii occurs when the organism penetrates wounds of the skin, especially the mouth. T or F
True
- Actinomyces bovis causes what cattle disease?
Lumpy jaw
- What is the most common etiologic agent causing omphalophebitis (navel ill)?
- Truperella pyogenes
- Bacillus anthracis infection (anthrax) is usually fatal in ruminants. T or F
True
- Anthrax is a reportable disease. T or F
True
- The most common clinical signs associated with brucellosis (Brucella abortus and B. melitensis) are:
- Late term abortion, epididymitis, orchitis, chronic infection of the udder
- Brucellosis is self-limiting and needs no treatment or management . T or F
- F. Culling is the treatment of choice for infected animals.
- Campylobacteriosis (Vibriosis) can cause what clinical signs in sheep and cattle?
- Abortions – C. fetus subsp. intestinalis in sheep and C. fetus subsp. veneralis in cattle
- The most common caprine skin infection is caused by which organisn?
- Staphylococcus intermedius or S. aureus.
- Death due to Clostridium perfringens type C and D affect young animals and is usually fatal. T or F
True
- C. perfingens type D is common in which species: A) Sheep B) Sheep and goats C) Cattle D) Sheep, goats, and cattle?
A
- Clostridium tetani infection (tetanus) causes death by septicemia. T or F
- F. The endotoxin is neurotoxic and hemolytic, and death results from respiratory failure.
- Clostridium novyi and C. chauvoei cause similar infections in cattle and sheep. The common name of C. novyi infection is _________________, and the common name for C. chauvoei is _______________.
- Bighead and black disease; blackleg
- Vaccinations may prevent C. novyi and C. chauovei infections. T or F
True
- Malignant edema is an acute, often fatal disease caused by __________.
- Clostridium septicum and often mixed with other clostridial species.
- The four types(groups for classification) of E. coli that are associated with colibacillosis are :
- Enterotoxigenic, enterohemorrohagic, enteropathogenic, and enteroinvasive.
- Caseous lymphadenitis is caused by _____________.
- Corynebacterium pseudotuberculosis.
- Caseous lymphadenitis can be treated effectively with antibiotics. T or F
False
- The most common agent causing pyelonephritis in cattle is _____________, and the agents causing posthitis in sheep and goats are______________.
- Corynebacterium renale; C. cystidis and C. pilosum.
- Erysipelas is caused by Erysipelothrix rhusiopathiae and causes what disease clinical signs in young lambs?
- Chronic polyarthritis
- Mycotic dermatitis (lumpy wool) and strawberry foot rot are caused by what bacteria?
- Dermatophilus congolensis
- Which two bacteria work synergistically in causing contagious foot rot in sheep and goats?
- Dichelobacter (Bacteroides) nodosus and Fusobacterium necrophorum
- Which two bacteria cause foot rot of cattle?
- Fusobacterium necrophorum and Prevotella melaninogenic (formerly Bacteroides melaninogenicus).
- Papillomatous digital dermatitis in cattle, also known as heel warts, is caused by several spp. of bacteria and spirochete-like organisms. T or F
True
- Histophilus somni infection can cause many disease conditions, including (pick all that apply):
A) thromboembolic meningoencephalitis (TEME)
B) septicemia
C) arthritis
D) reproductive failure
E) respiratory disease
F) dermatitis
- A, B, C, D, and E
- Leptospirosis can cause ______________ in sheep and goats, and _____ in cattle.
- Abortion, anemia, hemoglobinuria, and icterus in sheep and goats; Same signs as in sheep and goats, plus meningitis and death in calves, abortion and drop in milk production in cows.
- Leptospirosis is a zoonotic disease. T or F
True
- Listeria monocytogenes is most commonly acquired by ruminants in which way:
A) arthropod vectors
B) fecal-oral
C) spoiled silage and contaminated feed
D) airborne
C
- The three forms of listeriosis are:
31.
- Encephalitis (most common in ruminants)
- Placentitis with abortion
- Septicemia with hepatitis and pneumonia
- The disease caused by Borrelia burgdorferi is :
Lyme disease
- The most common cause of infectious bovine keritoconjunctivitis (IBK) is :
- Moraxella bovis
- Mycobacterium bovis, M. avium, and M. tuberculosis are all pathogens of domestic ruminants and these pathogens are zoonotic. T or F
True
- Johne’s disease is caused by _______________.
- Mycobacterium paratuberculosis
- Which pathogens are most closely associated with shipping fever?
- Mannheimia hemolytica and P. multocida
- Salmonellosis in ruminants may present as these clinical signs (choose all that apply):
A) gastroenteritis
B) septicemia
C) abortion
- A, B, and C
- Spirochete-associated abortion in cattle is transmitted by which tick vector?
- Ornithodorus coriaceus
- Tularemia is caused by what pathogen?
- Pasteurella (Francisella) tularensis
- What are the animal reservoirs of Tularemia in the western US?
- Wild rodents and rabbits
- Clinical signs of Yersiniosis (Yersinia enterocolitica) are (choose all that apply): A) sudden death B) diarrhea C) abortion D) internal abscesses
A, B, C, D
- Mycoplasma bovigenitalium and M. bovis have been associated with which clincial signs: A) infertility and abortions B) pneumonia C) enteritis
A
- Mycoplasma mycoides biotype F38 is the agent responsible for ____________.
- Contagious caprine pleuropneumonia
- Infectious conjunctivitis, or pinkeye, in sheep and goats is associated with which pathogen?
- Mycoplasma conjunctivae
- Eperythrozoonosis is a _____________ agent causing __________.
- Rickettsial, anemia
- Q fever is caused by _______________ and is zoonotic.
- Coxiella burnetii
- Adenovirus infections causes which clinical signs (choose all that apply):
A) pneumonia
B) enteritis
C) conjunctivitis
D) abortion
- A, B, C, and D
- What is the etiologic agent of bluetongue?
bluetongue virus - Orbivirus, family Reoviridae (RNA)
arthropod-borne
affects mainly sheep
- bovine lymphosarcoma virus
deltaretrovirus (DNA)
only associated with adult or enzootic bovine lymphoma, most common bovine neoplastic disease in the US
- Swelling, vesicles, and ulcers on the teats and udder may be associated with what virus?
- Bovine herpesvirus 2 (bovine herpes mammillitis)
- Bovine viral diarrhea virus (BVDV) infection is associated with what clinical signs?
- May be subclinical, abortions, congenital abnormalities, diarrhea, oculonasal discharge.
Flaviviridae
- Cache Valley virus (CVV) causes teratogenic effects including arthrogryposis, microencephaly, and cerebellar hypoplasia in A) calves B) lambs C) kids
B
- The most important viral disease of goats is ____________.
- Caprine arthritis encephalitis virus (CAEV), Lentivirus, famil Retroviridae
- This virus causes respiratory and reproductive diseases in cattle, including conjunctivitis, rhinotracheitis, pustular vulvovaginitis, balanoposthitis, encephalomyelitis, and mastitis.
- Infectious bovine rhinotracheitis virus
- Parainfluenza 3 infection is often fatal in small ruminants. T or F
False
- Severe respiratory disease in calves and yearling cattle is often caused by this virus:
- Bovine respiratory syncytial virus, family Paramyxoviridae, genus Pneumovirus
- Ulcers and crusts on the skin and mucous membranes of the face, genitalia, and feet of sheep caused by a poxvirus is called:
- Ulcerative dermatosis
- Border disease causes what clinical signs in sheep and goats (choose all that apply):
A) early embryonic death
B) arthrogryposis
C) hypothyroidism
D) tremors
- A, B, C, and D
- Orf is known by what other names, and is caused by what agent?
Contagious ecthyma, contagious pustular dermatitis, sore mouth
parapox virus, family poxviridae
- Foot-and-Mouth disease is caused by what agent? which species are usually clinically affected?
Aphthovirus, family picornavirus
cattle, swine, sheep
- Infection with malignant catarrhal fever in cattle can be acquired from other ruminants, including sheep and goats, birds, water troughs, and contaminated fomites. T or F
True
- The clinical signs of ovine progressive pneumonia are :
- Weakness, unthriftiness, weight loss, pneumonia, mastitis
- Poxviruses of ruminants can cause erosions and ulcers on the skin of cattle, sheep and goats. T or F
True
- Pulmonary adenomatosis is a wasting disease of sheep caused by a ___________ virus.
- Type D retrovirus
- Warts on cattle are often caused by this virus_____________.
- Bovine papillomavirus
- Pseudorabies (Aujeszky’s disease) is usually asymptomatic in ruminants. T or F
- False- pseudorabies is usually fatal in cattle, sheep , and goats
- The three phases of rabies infection are:
- Prodromal, excitatory, and paralytic
- Scrapie and Bovine spongiform elcephalopathies are forms of :
- Transmissible spongiform encephalopathies
- Vesicular stomatitis virus can cause flu-like illness in people. T or F
True
- Name 2 viral agents of diarrhea in sheep:
- Rotavirus, coronavirus
- Name 3 viral agents of diarrhea in goats:
- Rotovirus, coronavirus, adenovirus
- Name 4 viral agents of diarrhea in cattle:
- Rotavirus, coronavirus, parvovirus, bovine viral diarrhea virus (BVDV)
- Name the agent responsible for enzootic abortion of ewes.
- Chlamydophila abortus
- The agent responsible for enzootic abortion in ewes is zoonotic, and causes serious disease in pregnant women. T or F
True
- Cause of polyarthritis and infectious keritoconjunctivitis in sheep.
Clamydophila pecorum
- The major clinical signs associated with Anaplasma marginale infection in cattle is :
- Anemia
- Babesia bovis and Ba. bigemina can cause these signs in infected cattle:
- Hemolysis with icterus, hemoglobinuria, and fever, resulting in liver and kidney failure.
- Babesia bovis and Ba. bigemina are transmiteed by this tick:
- Boophilus spp
- Two common protozoal diseases responsible for diarrhea in young ruminants are:
- Coccidiosis (Eimeria spp.) and Cryptosporidiosis (Cryptosporium spp.)
- Giardia lamblia is not a major cause of diarrhea in ruminants. T or F
True
- The definitive host for Neospora caninum, which causes abortion and neonatal disease in ruminants, is the ______. Neospora causes ___ in cattle?
Dog
abortions
- Domestic ruminants are the definitive hosts for Sarcocystis spp. T or F
- False- carnivores (including humans) are the definitive hosts.
- Toxoplasmosis (Toxoplasma gondii) can cause ____________ in sheep and goats.
Abortion
- The obligate intracellular protozoal parasite of cattle causigng herd infertility problems is ____________________.
- Tritrichomonas (Trichomonas) fetus
- Name four (or more) common nematode parasites of domestic ruminants.
-
Haemonchus contortus, H. placei – sheep and goats
Ostertagia (Teladorsagia) circumcincta – sheep and goats
Ostertagia ostertagi – cattle
Trichostrongylus vitrinus, T. colubriformis – sheep and goats, T. axei- cattle, sheep and goats
Nematodirus spathiger, N. battus
Cooperia curticei– sheep and goats,C. punctata, C. oncophora – cattle, sheep and goats
Grongeyloides papillosus- sheep and cattle
Bunostomum trigonocephalum – sheep
Oesophagostomum columbianum, O. venulosum – sheep and cattle
Chabertia ovis – sheep, goats, cattle
Trichuris spp. – sheep , goats, cattle
Dictyocaulus filaria- sheep, D. viviparus – cattle
- Name two (or more) common cestode parasites of domestic ruminants.
-
Moniezia expansa
Thysanosoma actinoides
Taenia hydatigena
Echinococcus granulosus (hydatid cyst disease)
- Name one (or more) common trematode parasite of domestic ruminants.
-
Fasciola hepatica (liver fluke)
* Fascioloides magna* (liver fluke)
* Dicrocoelium dendriticum* (liver fluke)
* Paramphistomum microbothrioides, P. cervi* (rumen fluke)
- Symptoms of mite infestation in ruminants are __________.
- Chronic dermatitis, intense pruritis
- T/F Lice are generally species-specific.
True
- Ruminants are susceptible to many species of ___________ (hard-shell ticks) and ___________ (soft-shell ticks).
- Ixodidae, Argasidae
- Nasal bots in sheep are the larval form of the botfly ______________.
- Oestrus ovis
- Cochliomyia hominivorax (Callitroga americana) is also known as ___________.
- The screwworm fly
- Sheep keds, known as _______________, can transmit the _____ virus.
- Melophagus ovinus
bluetongue
- Ringworm in ruminants is mostly caused by dermatophytes of the genera:
Trichophyton and Microsporidium
- Calves are more prone to abomasal and duodenal ulcers than adult cattle. T or F
True
- Bloat is caused by _____________.
- Usually the consumption of abundant quantities of succulent forages or grains.
- Pregnancy toxemia (ketosis) occurs in ewes that either are ___________, or ___________.
- Obese, carrying twins or triplets.
- Male ruminants suffer from urolithiasis more commonly than female ruminants. T or F
True
- White muscle disease is due to a deficiency of _____________.
- Selenium or vitamin E
- Polioencephalomalacia is due to ______________, often resulting from toxic plants or moldy feed containing ___________.
- Thiamin deficiency, thiaminases
- Neonatal ruminants must receive colustrum within 24 hours after birth to prevent this condition.
- Failure of passive transfer
- Catheter sites or injections can cause iatrogenic infection or nerve injury. T or F
True
Fainting goats have what inherited condition, which serves as a model for which human condition?
caprine myotonia congenita
Thomson’s disease - human myotonia congenita
the process of preparing cattle for research with appropriate transitional diet and vaccination program is known as
backgrounding
What compounds are produced by the rumen ecoystem?
volatile fatty acids - acetic, proprionic, butyric
vitamin B complex
vitamin K
protein
Elevation of which liver enzyme is most indicative of hepatic damage in goats?
a. AST
b. LDH
c. ALT
d. GGT
d. GGT
ALT can be used in sheep and cattle.
Male ruminants may develop urinary calculi as a result of the following except
a. excessive phosphorus
b. low calcium-phosphorus ration
c. low magnesium
d. excessive magnesium
c. low magnesium
Describe cycle type, estrus cycle duration, and gestation length of cattle, sheep, and goats
cattle: polyestrous, 18-24 days, 270-292 days
sheep: seasonal polyestrous induced by increasing day length, 14-19 days, 147-150 days
goats: seasonal polyestrous induced by increasing day length, 18-24 days, 144-155 days
Describe the placentation of ruminants
epitheliochorial, cotyledonary
which ungulate commonly exhibits pseudopregnancy?
goat
describe Bacillus anthracis
nonmotile, encapsulated, spore forming, aerobic, gram-positive bacillus
What organsism causes Struck in sheep?
Clostridium perfringens type C - beta (necrotizing) toxins lead to hemorragic lesions
Most common cause of acute mastitis in sheep
Mannheimia hemolytica
Most common cause of acute mastitis in goats
Staphylococcus spedermidis and other spp.
Import bans on ruminants from Germany could be due to the discover of what agent in 2011?
Schmallenberg virus (orthobunyvirus)