Table 9.

Summary of percentage of females bred using reproductive technologies and breeding season duration for Canadian cow-calf herds reported in submitted annual herd breeding to weaning records (n = 543) for the C3SN between 2019 and 2022.

	Percent of cows bred AI/ET	Percent of heifers bred AI/ET	Breeding season length cows (days)	Breeding season length heifers (days)
Total herd records	N = 542	N = 506	N = 519	N = 492
Mean	12.1%	23.6%	101	90
SD*	23.8%	37.5%	54	48
2.5th percentile	0%	0%	46	26
5th percentile	0%	0%	50	31
25th percentile	0%	0%	63	59
Median	0%	0%	83	77
75th percentile	11.6%	50%	122	110
95th percentile	70%	100%	212	184
97.5th percentile	85%	100%	251	212

*Standard deviation.

Values for herds from Western and Eastern Canada are reported separately in Supplementary Tables S7a,b.