Bovine FOP

Question 1

when do you normally not get a diagnosis in cow FOP

Answer 1

from sporadic cases…. especially stillbirths

Question 2

what type of cause are the important ones

Answer 2

infectious causes - microbiological/histological dx

Question 3

bovine placenta has much _____ (___)

Answer 3

reserve

adventitial placentation

Question 4

beef cow FOP % causes

Answer 4

-embryonic mortality = 10%
-abortion = 1.6%
-stillbirth = 2.6%
-perinatal mortality = 4%

Question 5

causes of bovine abortion (breakdown of %)

Answer 5

-no diagnosis = 58%
-non-infectious = 1%
-infectious = 42% (mostly bacterial and protozoal)

Question 6

three examples of fetal lesions

Answer 6

-dermatitis (neck shoulder lesions, mycotic)
-heart failure
-focal necrosis in liver

Question 7

three causes of heart failure in the fetus

Answer 7

-BVDV
-neospora caninum
-vit E/Se

Question 8

two causes of focal necrosis in the liver in a fetus

Answer 8

-herpesvirus (bovine BoHV)
-listeria (bacteria)

Question 9

is placental mineralization bad

Answer 9

no its normal! happens in early pregnancy

Question 10

are amniotic plaques bad

Answer 10

no they are normal

Question 11

what will we see if there is placentitis (5)

Answer 11

-edema (lots!!!!)
-exudate
-necrosis of cotyledon
-thickening of intercotyledonary placenta
-cupping of cotyledon

Question 12

most common cause of amnionitis in cows

Answer 12

ureaplasma

Question 13

do other species get amnionitis

Answer 13

nope its unique to cows

Question 14

common bacterial abortogenic agents (4)

Answer 14

-placentitis
-bacillus licheniformis
-trueperella pyogenes (!!!!!)
-mycoplasma/ureaplasma (amnionitis, placentitis, ureaplasma diversum)

Question 15

common fungal abortogenic agents (2)

Answer 15

-placentitis
-aspergillus fumigatus (!!!!!!!!!)

Question 16

common protozoal abortogenic agents (2)

Answer 16

-encephalitis, myocarditis
-neospora caninum (!!!!!!!!)

Question 17

common viral abortogenic agents (2)

Answer 17

-BVDV (underdiagnosed, no lesions or virus isolation)
-BoHV-1

Question 18

regionally important bacteria for bovine FOP (3)

Answer 18

-brucella abortis
-campylobacter fetus
-coxiella burnetii

Question 19

regionally important protozoa for bovine FOP (1)

Answer 19

-tritrichomonas fetus (natural breeding)

Question 20

regionally important viruses for bovine FOP (1)

Answer 20

bluetongue virus (west coast, okanagan valley)

Question 21

regionally important other causes for bovine FOP (2)

Answer 21

-pine needle abortion
-pajaroellobacter abortibovis (tick borne disease)