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% 2.2%	84% ( V High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.2%	82% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	14.7%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.3%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	87%
Sep 2025	Gestation (Days between conception and birth)	-4.74 days	97%
May 2025	Gestation (Days between conception and birth)	-4.73 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.38	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.53	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.48%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.41%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.2%	84% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.2%	82% 92%
Sep 2025	Birth Size	14.7%	89%
May 2025	Birth Size	15.3%	89%
Sep 2025	Birth Weight	40.5 kg	87%
May 2025	Birth Weight	40.5 kg	87%
Sep 2025	Gest	-4.74 days	97%
May 2025	Gest	-4.73 days	97%
Sep 2025	Mort	-0.38	97%
May 2025	Mort	-0.53	97%
Sep 2025	Maternal Calving Difficulty	4.48%	79%
May 2025	Maternal Calving Difficulty	4.41%	79%

310 total progeny records from 75 dairy contemporary groups

( 8,676 herdmate records from 75 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.8%, FR: 22.2%, JE: 3.2%, NR: 0.4%, OTHER: 0.7%	HO: 70.9%, FR: 23.0%, JE: 3.8%, NR: 0.6%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.5% 2.4%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1109 Days 2123 Days	735 Days 1110 Days 2173 Days

42 total progeny records from 12 contemporary groups

( 1,443 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.5%, FR: 21.8%, JE: 2.8%, NR: 0.8%, OTHER: 0.5%	HO: 66.4%, FR: 27.7%, JE: 4.1%, NR: 0.3%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.8% 17.8% 19.2%	18.5% 18.9% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.5kg 40.2kg	0kg 40.4kg 40.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1102 Days 1989 Days	741 Days 1109 Days 2126 Days

15 total progeny records from 4 contemporary groups

( 661 herdmate records from 4 contemporary groups)