Skip to main content

Advertisement

Table 3 Mean number (± SD) of inseminations per conception and calving to conception interval (CCI) in the primiparous heifers and multiparous cows and in monitored and unassisted animals

From: Evaluation of remote monitoring of parturition in dairy cattle as a new tool for calving management

   AI per conception (n) CCI (days)
Parity Primiparous (n = 360) 1.89 ± 1.35 140.7 ± 78.3
Multiparous (n = 232) 2.08 ± 1.51 141.9 ± 75.3
Calving monitoring Monitored animals (n = 120) 1.64 ± 0.98 115.0 ± 62.1
Unassisted in calving barn (n = 120) 2.00 ± 1.39* 143.9 ± 83.4
Unassisted in dry zone (n = 352) 2.08 ± 1.54 150.5 ± 77.7¥
Main effects Parity 0.004 -
Calving monitoring 0.021 0.001
Parity x calving monitoring 0.005 -
Mean square error 1.930 5764.78
  1. * = significantly different from the monitored animals at P < 0.05;
  2.  = significantly different from the monitored animals at P < 0.01;
  3. ¥ = significantly different from the monitored animals at P < 0.001.