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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.