Table 10.

Summary of number of females pregnancy tested and percentage of tested females that were not pregnant for Canadian cow-calf herds reported in submitted annual herd breeding to weaning records (n = 543) for the C3SN between 2019 and 2022 (including all pregnancy testing data provided).

	Number of cows pregnancy tested	Number of heifers pregnancy tested	Number of all females pregnancy tested	Percent of cows not pregnant	Percent of heifers not pregnant	Percent of all females not pregnant
Total herd records	N = 507	N = 483	N = 507	N = 507	N = 483	N = 507
Mean	179	40	216	7.7%	9.8%	8.2%
SD*	172	45	209	5.7%	11.4%	5.7%
2.5th percentile	14	3	24	0.0%	0.0%	1.0%
5th percentile	27	5	40	1.1%	0.0%	1.7%
25th percentile	68	13	83	3.9%	0.0%	4.3%
Median	125	26	152	6.5%	6.9%	6.8%
75th percentile	240	54	286	10.0%	13.6%	10.5%
95th percentile	448	118	583	18.0%	33.3%	19.3%
97.5th percentile	736	155	819	20.4%	41.2%	22.2%

Values for herds from Western and Eastern Canada are reported separately in Supplementary Tables S8a,b.

*Standard deviation.