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 4.2% 1.9%	95% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.2% 1.9%	95% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	7.7%	85%
May 2025	Birth Size (Progeny expected to be born large or extra large)	7.5%	84%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.2 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	38.3 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-3.47 days	99%
May 2025	Gestation (Days between conception and birth)	-3.47 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.91%	90%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.85%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.2% 1.9%	95% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.2% 1.9%	95% 95%
Sep 2025	Birth Size	7.7%	85%
May 2025	Birth Size	7.5%	84%
Sep 2025	Birth Weight	38.2 kg	89%
May 2025	Birth Weight	38.3 kg	89%
Sep 2025	Gest	-3.47 days	99%
May 2025	Gest	-3.47 days	99%
Sep 2025	Mort	-0.34	99%
May 2025	Mort	-0.37	99%
Sep 2025	Maternal Calving Difficulty	4.91%	90%
May 2025	Maternal Calving Difficulty	4.85%	90%

835 total progeny records from 145 dairy contemporary groups

( 20,253 herdmate records from 145 dairy contemporary groups)

272 progeny ( 1,740 herdmates) born to heifers
156 progeny ( 4,663 herdmates) born to 2nd parity dam
407 progeny ( 13,850 herdmates) born to ≥3rd parity dam
50.4% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 52.9%, FR: 19.1%, JE: 25.0%, NR: 0.8%, OTHER: 0.8%	HO: 52.6%, FR: 18.6%, JE: 25.2%, NR: 1.3%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.4% 2.4% 2.3%	5.5% 2.3% 2.3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1110 Days 2110 Days	733 Days 1105 Days 2166 Days

18 total progeny records from 7 contemporary groups

( 715 herdmate records from 7 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 57.7%, FR: 23.1%, JE: 17.0%, NR: 0.3%, OTHER: 1.0%	HO: 58.0%, FR: 19.3%, JE: 20.0%, NR: 0.4%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.5% 18.2%	0% 17.1% 16.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.4kg 39.2kg 39.4kg	40kg 39.5kg 39.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	696 Days 1133 Days 2241 Days	726 Days 1117 Days 2122 Days

33 total progeny records from 7 contemporary groups

( 1,746 herdmate records from 7 contemporary groups)