10.2 Hormonal Control of Parturition in Bitch

Question 1

regulates lactogenesis and maternal behavior in bitch

Answer 1

prolactin

Question 2

As progesterone decreases, estrogen increases.

Corticosteroids and prolactin _____ during parturition.

Answer 2

increases

Question 3

Stages of Parturition:

Beginning of uterine contraction until full cervical dilation

Regular uterine contraction

Answer 3

Stage 1: dilation of cervix

Question 4

(3) Stages of Parturition

Answer 4

1. Dilation of cervix
2. Expulsion of fetus
3. Expulsion of placenta

Question 5

Stages of Parturition:

• Strong uterine & abdominal contraction
• increase intensity
  and frequency of
  uterine contraction

*shorter and more
forceful

Answer 5

Stage 2: Expulsion of
fetus/es

Question 6

Stages of Parturition:

Decrease in amplitude of uterine contraction

*just enough to cause
expulsion

Answer 6

Stage 3: Expulsion of
placenta

Question 7

Stages of Parturition:

1-4 hours

Uterine horn contraction to move pup/kitten in
cervix

Answer 7

Stage 1

Question 8

Stages of Parturition:

3-6 hours (depends on breed)

delivery of pup/kitten (10-30 mins)

Answer 8

Stage 2

Question 9

Stages of Parturition (Bitch & Queen):

1-3 hours

placental expulsion

Answer 9

Stage 3

Question 10

Other animals with Stages of Parturition

Answer 10

1. Cow
2. Gilt/Sow
3. Mare
4. Goat

Question 11

animals with only 1 offspring (2)

Answer 11

1. cow
2. mare

Question 12

no. of offspring of other animals

Answer 12

ewe = 1-3
sow = 6-16 or more
queen = 4
bitch = 7

Question 13

difficulty in parturition

Answer 13

dystocia

Question 14

lack of uterine horn in dsytocia

Answer 14

uterine inertia

Question 15

primary uterine inertia
- bitch
- cow
- sow

Answer 15

lack of uterine tone / failure of muscles to contract

Question 16

secondary uterine interia
- mare
- cow
- caracow

Answer 16

exhaustion of uterine muscles due to prolonged dystocia

Question 17

with the use of chain and other contraptions

Answer 17

assisted calving