Gross Pathology of Cattle- Repro Flashcards
Cause of infectious pustular balanoposthitis
Infectious Bovine Rhinotracheitis (herpesvirus 1)
Causes of venereal disease
Mycoplasma genitalum
Corynebacterium renale
IBR
What causes fibropapillomas on the penis?
BPV-1 following trauma
Gross appearance of freemartin calf
Externally normal, hypoplasia of uterine horns and ovaries.
What neoplasias occur in the uterus
Lymphoma
Adenocarcinoma
Gross morph for pepperoni pizza placenta; organism?
Fibrinosuppurative endometritis: Brucella abortus or fungi
How do horses get mycotic abortion compared to cattle
Horse- patent cervix
Cattle- hematogenous
Causes of abortion
Brucella abortus
Mycotic abortion
Campylobacter fetus or jejuni
Listeria
Mild placental changes (prominent vessels, necrotic foci) cause
Campylobacter fetus or jejuni
Listeriosis
Gross lesions with navel ill
Patent fibrinonecrotic urachus with abscesses in liver
Causes of navel ill
Failure of passive transfer, then e.coli, truepurella, staph, strep
What is required to create a mummified fetus?
Bones, anoxia, sterile
What occurs in the absence of the mummy conditions?
Fetal maceration
Causes of summer mastitis?
Coliforms, staph, strep
What organism causes gangrenous mastitis?
Coagulase positive staph