Third Exam

Question 1

Three criteria to evaluate involution of uterus in cow

Answer 1

1. Fluid/lochia expelled
2. Tone
3. Involution (decrease in size)

Question 2

What would each of these be in the normally involution go cow after the following postpartum days?

1. Day 14
2. Day 21
3. Day 30

Answer 2

1. 14 days: lochia, decrease in 1/2 size of uterus
2. 21 days: 2/3 size uterine involution
3. 30 days: normal uterine size

Question 3

When are an atomic and histology involution completed?

Answer 3

Anatomic: 21 days
Histologic: 45 days

Question 4

Signs of postpartum metritis and septic metritis

Answer 4

Postpartum metritis: purulent discharge and abnormally enlarged uterus within 21 days postpartum.

Septic metritis: fetid red-brown uterine discharge, pyrexia, dullness, dehydration, anorexia, lethargy, etc.

Question 5

When should the first ovulation occur in postpartum dairy cattle?

Answer 5

18 days

Question 6

List five causes for apparent anestrus in dairy cows at 45 days post calving

Answer 6

1. Nutritional
2. Infectious
3. Poor heat detection methods/skills, silent heat
4. Seasonality
5. Age/breed
6. Cystic ovarian disease

Question 7

List 5 ways to manage repeat breeders

Answer 7

1. Change bull, do BSE
2. Better heat detection
3. Ensure proper technique and semen handling
4. Good feeding protocol
5. CIDR (controlled intrauterine drug release)

Question 8

What are three owner observations or other reasons to repalpate pregnant cows?

Answer 8

1. Heat signs
2. Abortion history
3. Discharge
4. Mastitis
5. Vaginal prolapse