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

Table 2 Comparison of surveyed ranch characteristics and provincial average values

	Surveyed ranch mean (95% confidence interval)	Alberta average^a
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%

^afrom [41].
^bcalculated from questionnaire-reported values; 90% (95% CI = 87-92%) if calculated from the subgroup of cows that were checked for pregnancy.
^ccalculated from questionnaire-reported calf mortality over 4 years.

ISSN: 1297-9716