Date of Evaluation	Trait	PTA	Reliability
Sep 2025	Calving Difficulty(Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.4%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.4%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.5%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-3.43 days	99%
May 2025	Gestation (Days between conception and birth)	-3.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.09	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.03	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.69%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.4%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.4%	95% 98%
Sep 2025	Birth Size	21.7%	94%
May 2025	Birth Size	21.5%	94%
Sep 2025	Birth Weight	39.9 kg	92%
May 2025	Birth Weight	40.0 kg	92%
Sep 2025	Gest	-3.43 days	99%
May 2025	Gest	-3.43 days	99%
Sep 2025	Mort	0.09	99%
May 2025	Mort	0.03	99%
Sep 2025	Maternal Calving Difficulty	4.83%	95%
May 2025	Maternal Calving Difficulty	4.69%	95%

1,386 total progeny records from 296 dairy contemporary groups

( 20,553 herdmate records from 295 dairy contemporary groups)

181 progeny ( 1,177 herdmates) born to heifers
317 progeny ( 5,162 herdmates) born to 2nd parity dam
888 progeny ( 14,214 herdmates) born to ≥3rd parity dam
47.8% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.5%, FR: 26.6%, JE: 1.5%, NR: 0.9%, OTHER: 1.6%	HO: 68.5%, FR: 24.9%, JE: 2.7%, NR: 0.7%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.3% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1115 Days 2205 Days	736 Days 1120 Days 2183 Days

73 total progeny records from 22 contemporary groups

( 1,308 herdmate records from 22 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.8%, FR: 23.5%, JE: 0.4%, NR: 0.0%, OTHER: 0.4%	HO: 75.3%, FR: 21.2%, JE: 0.5%, NR: 0.6%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.9% 20.5% 19.4%	19.6% 18.6% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.8kg 41.1kg	0kg 41kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	731 Days 1095 Days 2151 Days	742 Days 1114 Days 2244 Days

31 total progeny records from 12 contemporary groups

( 951 herdmate records from 12 contemporary groups)