Cow fertility Flashcards
1
Q
Name factors that decrease cow fertility
A
NEB Abnormal milk progesterone Lameness Low BCS High yield Hypocalcaemia Mastitis, endometritis and diseased cows Previous caesarean
2
Q
What is the 1st service submission rate?
A
Number served out of number eligible
Eligible = all animals after VWP who have not been served yet
3
Q
What is all service submission rate?
A
Number served out of number eligible
Eligible = animals after earliest service date who are not pregnant
4
Q
What is the calving interval aim?
A
365 days
5
Q
What is the calving to conception interval aim?
A
80 days
More like 100
6
Q
What is conception rate?
A
Number pregnant/number served
7
Q
What is pregnancy rate?
A
Number pregnant/number eligible to be served/3 week cycle
8
Q
What is submission rate?
A
Number served/number eligible to be served/3 week cycle
9
Q
What % should the number of weaned calves per beef cow be?
A
88%
