Large Animal Final Exam

Question 1

Name two common metabolic problems cows face in the perinatal period

Answer 1

Hypocalcemia, low selenium

Question 2

What are some signs of low selenium in recently calved cows?

Answer 2

Uterine inertia, slow calves, retained fetal membranes

Question 4

Which blood test can be used to measure selenium levels?

Answer 4

GSHP-x

Question 5

Measurements indicating good quality colostrum

Answer 5

50g/L of IgG or 22% Brix refractometer

Question 6

How much colostrum do calves need in the first 24 hours?

Answer 6

6L (~15% BW)

Question 7

At what age(s) pre-weaning are calves most likely to have diarrhea?

Answer 7

0-4 weeks

Question 8

At what age(s) pre-weaning are calves most likely to have respiratory disease?

Answer 8

4-8 weeks

Question 9

Infectious causes of diarrhea in pre-weaning calves

Answer 9

Rotavirus
Cryptosporidia (Z)
Coronavirus
Coccidia spp.
E. coli (Z)
Salmonella (Z)

Question 10

Infectious causes of respiratory disease in pre-weaning calves

Answer 10

RSV
PI3
IBR
BVD
Mycoplasma
Mannheimia hemolytica
Calf diphtheria (Fusobacterium necrophorum)

Question 11

Indications and type/rate of oral fluid therapy in calves

Answer 11

<7% dehydrated, suck reflex, alert & standing, audible gut movement

1-2L isotonic or hypotonic with alkalizer q4-6 with access to milk