Control

Test

P Value

Animals eligible to be bred, #

3357

3984

Heat observed, %

54.8

56.1

0.109

% Bred that became pregnant

35.4

34.5

0.076

Pregnancy rate, %

18.2

19.5

0.154

Services/conception

2.73

2.93

0.466

Abortions, %

16.8

4.7

<0.001