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Table 1 Effect of timing and depth of insemination within cervico-uterine tract on pregnancy and lambing rates of Bharat Merino ewes inseminated with frozen-thawed semen

From: Effect of time and depth of insemination on fertility of Bharat Merino sheep inseminated trans-cervical with frozen-thawed semen

Timing of insemination after onset of estrus Depth of insemination within cervico-uterine tract Overall
Full (uterine) Mid (3rd to last cervical fold) Partial (os to 2ndcervical fold)
  n Pregnancy rate (%) Lambing rate (%) n Pregnancy rate (%) Lambing rate (%) n Pregnancy rate (%) Lambing rate (%) n Pregnancy rate (%) Lambing rate (%)
14 & 22 h 89 31.5 20.2 23 17.4 17.4 28 17.9 17.9 140 26.4 19.3 a
10 h 73 21.9 11.0 12 16.7 8.3 15 13.3 6.7 100 20 10 b
Overall 162 27.2 16.0 35 17.1 14.3 43 16.3 14.0 240 23.3 15.4
  1. Values with different superscripts in same column are significantly (P < 0.05) different.