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 7.1% 2.6%	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 7.1% 2.6%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-3.52 days	99%
May 2025	Gestation (Days between conception and birth)	-3.48 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.24	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.71%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.66%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.6%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.6%	95% 98%
Sep 2025	Birth Size	19.2%	95%
May 2025	Birth Size	19.2%	95%
Sep 2025	Birth Weight	41.0 kg	95%
May 2025	Birth Weight	40.9 kg	95%
Sep 2025	Gest	-3.52 days	99%
May 2025	Gest	-3.48 days	99%
Sep 2025	Mort	-0.26	99%
May 2025	Mort	-0.24	99%
Sep 2025	Maternal Calving Difficulty	4.71%	88%
May 2025	Maternal Calving Difficulty	4.66%	88%

2,644 total progeny records from 649 dairy contemporary groups

( 47,150 herdmate records from 648 dairy contemporary groups)

335 progeny ( 2,959 herdmates) born to heifers
686 progeny ( 11,186 herdmates) born to 2nd parity dam
1,623 progeny ( 33,005 herdmates) born to ≥3rd parity dam
39.9% progeny (47.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 21.6%, JE: 3.5%, NR: 0.5%, OTHER: 1.0%	HO: 70.7%, FR: 22.0%, JE: 4.1%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.5%	6.2% 2.6% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1106 Days 2110 Days	745 Days 1117 Days 2181 Days

103 total progeny records from 34 contemporary groups

( 2,501 herdmate records from 34 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.5%, FR: 21.3%, JE: 2.9%, NR: 0.5%, OTHER: 1.7%	HO: 69.1%, FR: 23.5%, JE: 3.2%, NR: 0.5%, OTHER: 2.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20% 18% 18%	18.9% 19.6% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.9kg 41.1kg	40.8kg 40.9kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1098 Days 2117 Days	751 Days 1118 Days 2180 Days

116 total progeny records from 25 contemporary groups

( 2,692 herdmate records from 25 contemporary groups)