Diseases

Question 1

Tyzzer’s Disease is caused by what bacteria?

Answer 1

Clostridium piliforme (gram-negative)

Question 2

common age of horses affected by Tyzzer’s Disease?

Answer 2

8-42 days old

Question 3

what is the primary etiologic agent of hepatic abscesses in cattle?

Answer 3

fusobacterium necrophorum (gram-negative)

Question 4

most common mycotoxicosis causing liver failure in horses

Answer 4

fusarium toxicosis

Question 5

in fusarium toxicosis, fumonisim is a mycotoxin produced by what fungus?

Answer 5

Fusarium verticillioides

Question 6

The primary reservoir host of this LEPTOSPIRA INTERROGANS SEROVAR is cows

Answer 6

Leptospira interrogans hardjo

Question 7

The primary reservoir host of this LEPTOSPIRA INTERROGANS SEROVAR is rats

Answer 7

Leptospira interrogans icterohaemorrhagica

Question 7

The primary reservoir host of this LEPTOSPIRA INTERROGANS SEROVAR is dogs

Answer 7

Leptospira interrogans canicola

Question 8

The primary reservoir host of this LEPTOSPIRA INTERROGANS SEROVAR is mouse

Answer 8

Leptospira interrogans autumnalis

Question 9

hepatocytes of Dubin-Johnson Syndrome contain what pigment

Answer 9

black melanin-like pigment

Question 10

highly fatal form of bovine viral diarrhea

Answer 10

mucosal disease

Question 11

etiologic agent of winter dysentery

Answer 11

bovine coronavirus

Question 12

one of the most common causes of diarrhea in adult horses

Answer 12

Salmonellosis

Question 13

an acute
enterocolitis syndrome producing mild colic,
fever, and diarrhea in horses of all ages, as
well as abortion in pregnant mares.

Answer 13

potomac horse fever

Question 14

possible organisms commonly involved in diarrhea in neonatal foals include: 4 answers

Answer 14

salmonella, E. coli, klebsiella, clostridium

Question 15

acute, fulminant, hemorrhagic diarrhea syndrome with high mortality in young foals <3 days old has been associated with what organism

Answer 15

clostridium perfringens type c

Question 16

DoC for R equi infxn in foals

Answer 16

erythromycin + rifampin

Question 17

main cause of viral diarrhea in foals

Answer 17

rotavirus

Question 18

administration of this nsaid at high doses for prolonged periods can cause a protein-losing enterocolopathy in horses

Answer 18

Phenylbutazone

Question 19

most sensitive test for occult blood;
test for hemorrhage in the git

Answer 19

guaiac test

Question 20

causative agent of foot-and-mouth dz

Answer 20

Aphthovirus (Picornaviridae)

Question 21

what livestock species are affected by foot-and-mouth dz

Answer 21

ruminant, pigs

Question 22

causative agent of vesicular stomatitis

Answer 22

Vesiculovirus (Rhabdoviridae),

Question 23

what livestock species are affected by vesicular stomatitis

Answer 23

ruminant, pigs, horses

Question 24

causative agent of vesicular exanthema of swine

Answer 24

Calicivirus

Question 25

causative agent of swine vesicular dz

Answer 25

enterovirus (picornaviridae)

Question 26

primary cause of intestinal spirochaetosis

Answer 26

Brachyspira pilosicoli

Question 27

false brush border microscopic characteristic of what disease in swine?

Answer 27

intestinal spirochaetosis

Question 28

one of the most common Salmonella spp affecting pigs

Answer 28

Salmonella choleraesuis kuzendorf

Question 29

most common intestinal nematode of pigs

Answer 29

Ascaris suum

Question 29

what spp of Salmonella causes yellow, round (button) ulcers in the colon, cecum, and less commonly the ileum.

Answer 29

S typhisuis enteritis

Question 29

common stomach worm found in pasture-raised pigs

Answer 29

Hyostrongylus rubidus

Question 30

Cryptosporidium attaches to the ______ of the intestine of pigs ≥10 days old.

Answer 30

mucosal epithelium

Question 31

________ is a common and important cause of coccidiosis in pigs 6 days to 3 wk old.

Answer 31

Isospora suis

Question 31

causative agent of porcine proliferative enteritis

Answer 31

Lawsonia intracellularis (gram-negative)

Question 31

causative agent of transmissible gastroenteritis

Answer 31

coronavirus (TGEV)

Question 31

causative agent of swine dysentery

Answer 31

Brachyspira hyodysenteriae

Question 31

macroscopic lesion: villous shortening in small intestine of pigs; what dz?

Answer 31

porcine epidemic diarrhea

Question 31

incubation period of coronavirus (TGEV)

Answer 31

~18 hrs

Question 32

causative agent of equine viral rhinopneumonitis

Answer 32

equine herpes virus

Question 33

what dz causes this lesion: the entire intestine contains greenish or yellow watery fluid and clumps of undigested milk.

Answer 33

transmissible gastroenteritis

Question 34

causative agent of equine influenza

Answer 34

type A influenza virus

Question 35

causative agent of glanders

Answer 35

pseudomonas mallei

Question 36

which dz causes this lesion: mucopurulent rhinitis with localizations in the regular lymph nodes

Answer 36

strangles

Question 37

causative agent of strangles

Answer 37

Streptococcus equi subsp. equi

Question 38

causative agent of melioidosis

Answer 38

pseudomonas mallei

Question 39

equine herpes virus causes what dz?

Answer 39

equine rhinopneumonitis

Question 40

feline viral rhinotracheitis is caused by

Answer 40

feline herpesvirus

Question 41

"roaring" in horses could indicate what dz?

Answer 41

Laryngeal Paralysis

Question 42

"roaring" in horses happens due to resultant atrophy of the _____ muscle.

Answer 42

cricoarytenoideus

Question 43

identify the dz in dogs: chronic bronchitis with thick mucopurulent exudates and polyp-like lesions

Answer 43

canine tracheobronchitis (kennel cough)

Question 44

which type of lungs do dogs, cats, and monkeys have?

Answer 44

type 2

Question 45

which type of lungs do horses have?

Answer 45

type 3

Question 46

type of lung with no secondary lobules

Answer 46

type 2

Question 47

Mulberry heart disease in pigs is caused by deficiency in?

Answer 47

vitamin E and selenium