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 5.1% 2.3%	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	Low 5.0% 2.2%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.8%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.35 days	99%
May 2025	Gestation (Days between conception and birth)	-4.35 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)	-0.40	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.93%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.86%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.3%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.2%	95% 98%
Sep 2025	Birth Size	17.2%	96%
May 2025	Birth Size	16.8%	96%
Sep 2025	Birth Weight	40.6 kg	95%
May 2025	Birth Weight	40.6 kg	94%
Sep 2025	Gest	-4.35 days	99%
May 2025	Gest	-4.35 days	99%
Sep 2025	Mort	-0.48	99%
May 2025	Mort	-0.40	99%
Sep 2025	Maternal Calving Difficulty	4.93%	88%
May 2025	Maternal Calving Difficulty	4.86%	88%

2,819 total progeny records from 683 dairy contemporary groups

( 43,867 herdmate records from 682 dairy contemporary groups)

385 progeny ( 3,339 herdmates) born to heifers
607 progeny ( 10,745 herdmates) born to 2nd parity dam
1,827 progeny ( 29,783 herdmates) born to ≥3rd parity dam
39.3% progeny (46.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.3%, FR: 18.1%, JE: 1.6%, NR: 0.4%, OTHER: 0.7%	HO: 75.8%, FR: 18.4%, JE: 2.9%, NR: 0.3%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	749 Days 1136 Days 2199 Days	751 Days 1128 Days 2177 Days

161 total progeny records from 47 contemporary groups

( 2,775 herdmate records from 47 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.2%, FR: 19.7%, JE: 1.3%, NR: 0.6%, OTHER: 0.8%	HO: 75.1%, FR: 20.0%, JE: 1.8%, NR: 0.3%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.2% 21.2% 19.4%	18.9% 19.4% 19.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 41.2kg 41kg	41kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1158 Days 2338 Days	759 Days 1126 Days 2155 Days

113 total progeny records from 28 contemporary groups

( 2,368 herdmate records from 28 contemporary groups)