|
Treatmentb
| | | |
---|
|
Control
|
bST
|
p
|
AOR
|
CI
|
---|
All cows
|
22/124 (17.8%)
|
32/132 (24.2%)
|
NS
|
1.50
|
0.81 to 2.76
|
Successfully synchronized cows c
|
19/85 (22.4%)
|
26/105 (24.8%)
|
NS
|
1.12
|
0.51 to 2.20
|
- a Abbreviations are bST; bovine somatotropin; AOR, adjusted odds ratio; CI, confidence interval; NS, non-significant
- b Data are the number of cows pregnant/total cows inseminated and, in parentheses, percent pregnant.
- cCows where progesterone concentration on the day of timed artificial insemination (Day 0) was < 1 ng/ml and progesterone concentration on Day 7 after TAI was ≥ 1 ng/ml.