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Flashcards in Reproductive Disease of Cattle Deck (24)
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1

What are clinical signs of failure of passive transfer?

Sepsis in day old calves, poor doers, hypopyon

2

How do you diagnose failure of passive transfer?

Low IgG

3

What IgG level is consistent with failure of passive transfer?

<4.5g/dL

4

How do you treat failure of passive transfer in a 3d or older calf?

1-2L plasma transfusion + abx

5

How do you treat failure of passive transfer in a <3d old calf?

Colostrum

6

What immunoglobulin predominantes bovine colostrum?

IgG

7

Fusion of fetal membranes between male and female beef cow twins

Fremartin

8

Why does freemartinism occur?

Exposure of female to Mullerian inhibiting hormone secreted by the male

9

What are clinical signs of fremartinism?

Abnormally small ano-genital distance, enlarged clitoris

10

Which calf is the freemartin in twinning?

The female

11

What usually asymptomatic infection can also cause post-coital pyometra, poor calving %, and early embryonic death

Trichomoniasis (Trichomonas foetus)

12

How is Trichomonas foetus maintained in a herd?

Mature bull (deep epithelial crypts of glans penis)

13

Which direction does a uterine torsion most often occur?

Clockwise

14

How do you correct a uterine torsion?

Push forward on vagina and roll cow clockwise

15

What virus causes infectious pustular vulvovaginitis?

Herpesvirus

16

What is a clinical sign of herpesvirus/infectious pustular vulvovaginitis in cows?

White plaques on vagina

17

What are infectious causes of abortion in cattle?

Akbane, BVD, IBR, Brucella, Lepto

18

What vaccine treats Brucella abortus?

Rb51

19

Which cause of abortion has been eradicated from the US and is therefore reportable?

Brucella

20

What cause of abortion causes focal necrosis of fetal organs and rapid fetal death?

IBR

21

What cause of abortion causes fetal inflammation and placentitis?

Brucella abortus

22

What is the most common causative agent of endometritis in cattle?

Arcanobacter pyogens (also P. multocida, Pseudomonas, E. coli)

23

What is a clinical sign of endometritis in a cow?

Mucus and pus running from vulva

24

How do you treat endometritis in a cow?

Intrauterine penicillin/tetracycline