100 total progeny records from 48 dairy contemporary groups ( 2,220 herdmate records from 48 dairy contemporary groups)
47 progeny ( 399 herdmates) born to heifers 39 progeny ( 498 herdmates) born to 2nd parity dam 14 progeny ( 1,323 herdmates) born to ≥3rd parity dam Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 25.4%, FR: 7.6%, JE: 1.7%, NR: 0.5%, OTHER: 7.1%	HO: 47.0%, FR: 15.8%, JE: 1.3%, NR: 0.8%, OTHER: 11.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	10.3% 4.2% 4.3%	8.2% 3.3% 2.9%

	Dams	Herdmates of Dams
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	28.9% 28.2% 24.1%	20.8% 21.4% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 43.3kg 0kg	0kg 42.2kg 0kg