Canine Reproductive System

Question 1

What infectious disease do we need to assess before breeding?

Answer 1

Brucellosis canis

Question 2

What are 2 signs of proestrus?

Answer 2

Bloody vaginal discharge
Vulval swelling
Male interest but bitch not receptive

Question 3

What will you see on a vaginal smear during estrus of a bitch (cytology)?

Answer 3

90% cornfield cells and few RBC

Question 4

What are the 4 stages of the reproductive cycle in a bitch?

Answer 4

Proestrus: 10 days
Estrus: 10 days
Diestros: 3 months
A estrus: 3 months

Question 5

Pregnant or not, ……………… continues to rise in diestros

Answer 5

Progesterone

Question 6

What do we see on vaginal cytology during proestrus?

Answer 6

Less than 90% cells cornfield, red blood cells, neutrophils, maybe bacteria

Question 7

What do we see on vaginal cytology during diestros?

Answer 7

> 50% para basal cells, maybe blood cells, maybe neutrophils, maybe bacteria

Question 8

What do we see on vaginal cytology during anestrus?

Answer 8

> 90% para basal cells

Question 9

Which 2 hormones most useful for determining pregnancy status in the dog?

Answer 9

LH and Progesterone

Question 10

Give 4 ways to diagnose pregnancy in the bitch? Which can be done the earliest in gestation?

Answer 10

US: non-invasive and can assess viability of foetus
Palpation
Relaxin assay
Radiograph

US done the earliest from 20 days into pregnancy