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Table 2 Least squares means (±SE) for effects of agro ecology, season and parity on days open and calving interval

From: Evaluation of non-genetic factors affecting calf growth, reproductive performance and milk yield of traditionally managed Sheko cattle in southwest Ethiopia

Effects and levels N DO (days) CI (months)
Overall 75 248.32 ± 6.02 17.40 ± 0.20
R2   0.69 0.70
C.V. %   13.16 6.24
AEZ   ** **
 Lowland 43 274.63 ± 6.16 18.35 ± 0.20
 Midland 32 220.53 ± 6.17 16.54 ± 0.20
Season   ** **
 Dry 20 279.41 ± 14.53a 18.59 ± 0.48a
 Short rainy 31 220.29 ± 7.35b 16.42 ± 0.24b
 Main rainy 24 243.04 ± 10.96ab 17.32 ± 0.36ab
Parity   ** **
 1st 22 289.02 ± 9.93a 18.79 ± 0.33a
 2nd 14 250.29 ± 10.67b 17.65 ± 0.35b
 3rd 12 267.75 ± 8.58ab 18.04 ± 0.28ab
 4th 17 218.73 ± 14.25cb 16.66 ± 0.47cbd
 5th 10 212.12 ± 15.54cb 16.08 ± 0.52c
  1. Means with different superscripts within the same column and class are statistically different
  2. CI calving interval, DO days open
  3. * P < 0.05; ** P < 0.01