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Gross Pathology > Gross Pathology of Cattle- Repro > Flashcards

Gross Pathology of Cattle- Repro Flashcards

1
Q

Cause of infectious pustular balanoposthitis

A

Infectious Bovine Rhinotracheitis (herpesvirus 1)

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2
Q

Causes of venereal disease

A

Mycoplasma genitalum
Corynebacterium renale
IBR

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3
Q

What causes fibropapillomas on the penis?

A

BPV-1 following trauma

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4
Q

Gross appearance of freemartin calf

A

Externally normal, hypoplasia of uterine horns and ovaries.

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5
Q

What neoplasias occur in the uterus

A

Lymphoma
Adenocarcinoma

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6
Q

Gross morph for pepperoni pizza placenta; organism?

A

Fibrinosuppurative endometritis: Brucella abortus or fungi

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7
Q

How do horses get mycotic abortion compared to cattle

A

Horse- patent cervix
Cattle- hematogenous

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8
Q

Causes of abortion

A

Brucella abortus
Mycotic abortion
Campylobacter fetus or jejuni
Listeria

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9
Q

Mild placental changes (prominent vessels, necrotic foci) cause

A

Campylobacter fetus or jejuni
Listeriosis

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10
Q

Gross lesions with navel ill

A

Patent fibrinonecrotic urachus with abscesses in liver

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11
Q

Causes of navel ill

A

Failure of passive transfer, then e.coli, truepurella, staph, strep

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12
Q

What is required to create a mummified fetus?

A

Bones, anoxia, sterile

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13
Q

What occurs in the absence of the mummy conditions?

A

Fetal maceration

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14
Q

Causes of summer mastitis?

A

Coliforms, staph, strep

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15
Q

What organism causes gangrenous mastitis?

A

Coagulase positive staph

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16
Q

Causes of chronic suppurative mastitis?

A

Trueperella, Mycoplasma bovis, Streptococcus uberis or dysgalactia

17
Q

Causes of scabby teat (viral mastitis)

A

Bovine ulcerative mammillitis- BHV-2 and BHV-4
Pseudocowpox
Bovine papillomavirus 3, 4, 6

18
Q

Cause of proliferative and necrotizing mammillitis

A

Papular stomatitis virus

Gross Pathology (23 decks)

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