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 5.9% 2.4%	90% ( V High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	90% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	84%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.9%	84%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.3 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	39.3 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-3.56 days	98%
May 2025	Gestation (Days between conception and birth)	-3.55 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.35	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.28	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.20%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.13%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	90% ( V High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	90% 94%
Sep 2025	Birth Size	20.8%	84%
May 2025	Birth Size	20.9%	84%
Sep 2025	Birth Weight	39.3 kg	90%
May 2025	Birth Weight	39.3 kg	90%
Sep 2025	Gest	-3.56 days	98%
May 2025	Gest	-3.55 days	98%
Sep 2025	Mort	0.35	98%
May 2025	Mort	0.28	98%
Sep 2025	Maternal Calving Difficulty	5.20%	89%
May 2025	Maternal Calving Difficulty	5.13%	89%

567 total progeny records from 77 dairy contemporary groups

( 9,842 herdmate records from 77 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 54.2%, FR: 18.7%, JE: 22.3%, NR: 1.7%, OTHER: 1.5%	HO: 55.8%, FR: 20.5%, JE: 19.2%, NR: 1.6%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.3% 2.3%	5.9% 2.3% 2.3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	749 Days 1102 Days 2196 Days	738 Days 1111 Days 2202 Days

12 total progeny records from 4 contemporary groups

( 184 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.4%, FR: 15.7%, JE: 18.9%, NR: 0.1%, OTHER: 0.6%	HO: 56.2%, FR: 24.5%, JE: 16.0%, NR: 0.2%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.8% 20.5% 21%	18.2% 18.6% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 38.8kg 39.4kg	0kg 39.5kg 40kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	859 Days 1109 Days 1990 Days	742 Days 1116 Days 2242 Days

27 total progeny records from 4 contemporary groups

( 942 herdmate records from 4 contemporary groups)