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Gross Pathology > Gross Pathology of Small Ruminants 3 > Flashcards

Gross Pathology of Small Ruminants 3 Flashcards

1
Q

Cause of red, inflamed, or ulcerated coronary band

A

Bluetongue (endotheliotropic, infarction)

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2
Q

Cause of pustules on coronary band and in oral cavity

A

Foot and Mouth Disease (Apthovirus)

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3
Q

What causes contagious ecthyma? Differential?

A

Parapoxvirus; sheeppox

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4
Q

Morph for parapoxvirus

A

Proliferative and necrotizing dermatitis

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5
Q

Which mange is okay? which mange is reportable?

A

Chorioptes bovis, apri
Psoroptes ovis

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6
Q

Biting louse

A

Trichodectes sphaerocephalus

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6
Q

Cause of type III photosensitization (swelling of face)

A

Rye grass, pythomyces chartarum fungus produces sporodesmin
Lupins (phomopsis species)

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7
Q

Name when vessels in pampiniform plexus become thrombosed

A

Varicoceles

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8
Q

Head of epididymis swelling

A

Sperm granulomas

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9
Q

Tail of epididymis swelling

A

Brucella ovis
Corynebacterium pseudotuberculosis
Actinobacillus seminis

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10
Q

Cause of chronic suppurative endometritis

A

fetal retention

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11
Q

Cause of acute endometritis

A

E.coli, Staph aureus, truep
Paeniclostridium sordellii (article)
Clostridium perfringens type A

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12
Q

Common uterine tumor in SR

A

Fibroleiomyoma

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13
Q

Number 1 cause of necrotizing mastitis

A

Staphylococcus aureus, also Mannheimia hemolytica (unexpectedly, article)

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14
Q

Number 1 cause of chronic suppurative mastitis

A

Trueperella pyogenes

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15
Q

Viral cause of mastitis in goats

A

CAE (lentivirus)

16
Q

Cause of firm, enlarged udder (contagious ovine agalactia)

A

Mycoplasma agalactiae

17
Q

White dots on cotyledons of placenta**

A

Toxoplasma gondii

18
Q

Morph with toxoplasmosis

A

Necrotizing cotyledonary*** placentitis

19
Q

White chalky exudate between cotyledons- cause (PEPPERONI PIZZA)

A

Q fever (Coxiella burnetti)
Chlamydia pecorum
Brucella ovis
Campylobacter fetus

Morph: Cotyledonary and intercotyledonary placentitis

20
Q

Most common cause of abortion

A

Chlamydia pecorum

21
Q

Cause of targetoid lesions in fetal liver

A

Campylobacter fetus

22
Q

Cause of abortion, liver necrosis in fetus

A

Listeria monocytogenes

23
Q

Which virus is associated with SCC in sheep?

A

Ovis aries papillomavirus 3

24
Q

Cause of myocardial hemorrhage and necrosis in goats

A

Yellow oleander (thevetia peruviana)

Gross Pathology (23 decks)

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