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 6.4% 2.8%	87% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.8%	86% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.5%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.8%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.43 days	99%
May 2025	Gestation (Days between conception and birth)	-4.39 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.16	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.18	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.90%	84%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.85%	84%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.8%	87% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.8%	86% 97%
Sep 2025	Birth Size	17.5%	94%
May 2025	Birth Size	16.8%	94%
Sep 2025	Birth Weight	41.1 kg	91%
May 2025	Birth Weight	41.2 kg	90%
Sep 2025	Gest	-4.43 days	99%
May 2025	Gest	-4.39 days	99%
Sep 2025	Mort	-0.16	99%
May 2025	Mort	-0.18	99%
Sep 2025	Maternal Calving Difficulty	4.90%	84%
May 2025	Maternal Calving Difficulty	4.85%	84%

1,191 total progeny records from 324 dairy contemporary groups

( 26,996 herdmate records from 324 dairy contemporary groups)

100 progeny ( 1,659 herdmates) born to heifers
375 progeny ( 6,166 herdmates) born to 2nd parity dam
716 progeny ( 19,171 herdmates) born to ≥3rd parity dam
51% progeny (47.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.3%, FR: 26.0%, JE: 1.5%, NR: 0.8%, OTHER: 1.0%	HO: 68.9%, FR: 24.1%, JE: 3.3%, NR: 0.9%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.7% 2.5% 2.6%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1104 Days 2035 Days	740 Days 1114 Days 2182 Days

101 total progeny records from 33 contemporary groups

( 3,123 herdmate records from 33 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.4%, FR: 24.3%, JE: 0.8%, NR: 0.2%, OTHER: 0.6%	HO: 70.2%, FR: 22.8%, JE: 4.2%, NR: 0.4%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.5% 18.5% 19.5%	17.8% 18.4% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 41kg 40.9kg	40.5kg 40.6kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1099 Days 1872 Days	741 Days 1112 Days 2133 Days

58 total progeny records from 9 contemporary groups

( 1,464 herdmate records from 9 contemporary groups)