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	Moderate 7.6% 3.2%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.6% 3.2%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	24.9%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	25.2%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.91 days	99%
May 2025	Gestation (Days between conception and birth)	-4.92 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.27	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.30	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.42%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.52%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.6% 3.2%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.6% 3.2%	96% 98%
Sep 2025	Birth Size	24.9%	95%
May 2025	Birth Size	25.2%	95%
Sep 2025	Birth Weight	41.9 kg	94%
May 2025	Birth Weight	41.9 kg	94%
Sep 2025	Gest	-4.91 days	99%
May 2025	Gest	-4.92 days	99%
Sep 2025	Mort	-0.27	99%
May 2025	Mort	-0.30	99%
Sep 2025	Maternal Calving Difficulty	4.42%	96%
May 2025	Maternal Calving Difficulty	4.52%	96%

1,857 total progeny records from 424 dairy contemporary groups

( 13,973 herdmate records from 420 dairy contemporary groups)

289 progeny ( 1,614 herdmates) born to heifers
412 progeny ( 3,593 herdmates) born to 2nd parity dam
1,156 progeny ( 8,766 herdmates) born to ≥3rd parity dam
39.7% progeny (47.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 91.1%, FR: 6.8%, JE: 0.4%, NR: 0.1%, OTHER: 0.4%	HO: 88.3%, FR: 8.4%, JE: 0.5%, NR: 0.1%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.3% 2.9% 3.1%	7.3% 2.9% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	776 Days 1178 Days 2187 Days	780 Days 1179 Days 2171 Days

93 total progeny records from 15 contemporary groups

( 922 herdmate records from 15 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 83.9%, FR: 9.9%, JE: 0.0%, NR: 0.1%, OTHER: 2.9%	HO: 77.3%, FR: 9.4%, JE: 0.3%, NR: 0.6%, OTHER: 7.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.8% 21.1% 21.9%	20.9% 20.7% 21.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.1kg 40.7kg 41.5kg	41.4kg 41.4kg 41.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1083 Days 2207 Days	747 Days 1151 Days 2158 Days

90 total progeny records from 12 contemporary groups

( 673 herdmate records from 12 contemporary groups)