Table 3 Effect of sire used for in vitro fertilization on pregnancy outcome at day 30 of gestation, calving rate and pregnancy loss.

From: Actions of CSF2 and DKK1 on bovine embryo development and pregnancy outcomes are affected by composition of embryo culture medium

Sire

Complete data seta

Subset of datab

Pregnant at day 30, fraction and percent

Pregnant at day 30, fraction and percentb

Calving rate, fraction and percentb

Pregnancy loss, day 30 to calving, fraction and percentb

1

244/486 (50.2%)

25/40 (62.5%)

23/40 (57.6%)

2/25 (8.0%)

2

264/773 (34.2%)

84/226 (37.2%)

49/226 (21.7%)

35/84 (41.7%)

P

 < 0.0001

0.008

 < 0.001

0.017

  1. aData from 5 farms in which embryos produced from both sires were used.
  2. bData from 1 farm in which calving information was recorded.
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