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Table 2 Comparison of surveyed ranch characteristics and provincial average values

From: Pathogens at the livestock-wildlife interface in Western Alberta: does transmission route matter?

  Surveyed ranch mean (95% confidence interval) Alberta averagea
Number of wintered cows 174 (135-212) 157
Number of cows per bull 22 (16-28) 26
Conception rate 93% (92-95)b 89%
Weaning rate 97% (96-98) 98%
Calf mortality rate 0.9% (0.5-1.2)c 2.0%
  1. afrom [41].
  2. bcalculated from questionnaire-reported values; 90% (95% CI = 87-92%) if calculated from the subgroup of cows that were checked for pregnancy.
  3. ccalculated from questionnaire-reported calf mortality over 4 years.