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 6.5% 2.6%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.0%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.1%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-3.87 days	99%
May 2025	Gestation (Days between conception and birth)	-3.89 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.55	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.40%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	96% 99%
Sep 2025	Birth Size	20.0%	97%
May 2025	Birth Size	20.1%	97%
Sep 2025	Birth Weight	40.9 kg	97%
May 2025	Birth Weight	40.9 kg	97%
Sep 2025	Gest	-3.87 days	99%
May 2025	Gest	-3.89 days	99%
Sep 2025	Mort	-0.48	99%
May 2025	Mort	-0.55	99%
Sep 2025	Maternal Calving Difficulty	4.40%	98%
May 2025	Maternal Calving Difficulty	4.39%	98%

1,977 total progeny records from 401 dairy contemporary groups

( 22,206 herdmate records from 392 dairy contemporary groups)

154 progeny ( 1,523 herdmates) born to heifers
519 progeny ( 6,124 herdmates) born to 2nd parity dam
1,304 progeny ( 14,559 herdmates) born to ≥3rd parity dam
49% progeny (50.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.9%, FR: 26.4%, JE: 3.9%, NR: 0.7%, OTHER: 2.1%	HO: 62.3%, FR: 26.3%, JE: 5.5%, NR: 0.8%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.7% 2.7%	6.8% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	759 Days 1120 Days 2038 Days	749 Days 1132 Days 2135 Days

125 total progeny records from 20 contemporary groups

( 1,117 herdmate records from 20 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.2%, FR: 17.9%, JE: 5.6%, NR: 1.9%, OTHER: 1.3%	HO: 64.4%, FR: 19.3%, JE: 9.9%, NR: 2.3%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.6% 20.1% 19.8%	18.9% 18.7% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.4kg 40.5kg	40.2kg 40.2kg 40.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1098 Days 1951 Days	742 Days 1122 Days 2002 Days

159 total progeny records from 20 contemporary groups

( 1,562 herdmate records from 20 contemporary groups)