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 5.4% 2.3%	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 5.3% 2.3%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.2%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	12.6%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-5.27 days	99%
May 2025	Gestation (Days between conception and birth)	-5.25 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.28	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.29	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.32%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.25%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.3%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.3%	95% 98%
Sep 2025	Birth Size	13.2%	97%
May 2025	Birth Size	12.6%	96%
Sep 2025	Birth Weight	39.4 kg	96%
May 2025	Birth Weight	39.5 kg	96%
Sep 2025	Gest	-5.27 days	99%
May 2025	Gest	-5.25 days	99%
Sep 2025	Mort	-0.28	99%
May 2025	Mort	-0.29	99%
Sep 2025	Maternal Calving Difficulty	4.32%	88%
May 2025	Maternal Calving Difficulty	4.25%	88%

3,056 total progeny records from 682 dairy contemporary groups

( 56,300 herdmate records from 679 dairy contemporary groups)

352 progeny ( 4,540 herdmates) born to heifers
677 progeny ( 13,242 herdmates) born to 2nd parity dam
2,027 progeny ( 38,518 herdmates) born to ≥3rd parity dam
46.9% progeny (47.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.6%, FR: 22.1%, JE: 6.8%, NR: 0.4%, OTHER: 0.9%	HO: 68.0%, FR: 22.3%, JE: 6.8%, NR: 0.6%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1111 Days 2091 Days	737 Days 1112 Days 2149 Days

189 total progeny records from 50 contemporary groups

( 4,030 herdmate records from 50 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.0%, FR: 21.6%, JE: 8.3%, NR: 0.5%, OTHER: 2.3%	HO: 66.6%, FR: 22.4%, JE: 7.7%, NR: 0.3%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.1% 18.1% 19.2%	18.1% 18.8% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.5kg 40.3kg 40.2kg	40.4kg 40.4kg 40.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	724 Days 1109 Days 2057 Days	742 Days 1113 Days 2135 Days

167 total progeny records from 24 contemporary groups

( 2,979 herdmate records from 24 contemporary groups)