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 6.6% 2.7%	74% ( High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.7%	72% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.3%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.4 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	43.3 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-3.28 days	97%
May 2025	Gestation (Days between conception and birth)	-3.31 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.48	97%
May 2025	Mortality (Calves dead at or soon after birth)	0.41	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.32%	82%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.27%	81%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.7%	74% ( High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.7%	72% 94%
Sep 2025	Birth Size	19.3%	90%
May 2025	Birth Size	18.9%	90%
Sep 2025	Birth Weight	43.4 kg	89%
May 2025	Birth Weight	43.3 kg	89%
Sep 2025	Gest	-3.28 days	97%
May 2025	Gest	-3.31 days	97%
Sep 2025	Mort	0.48	97%
May 2025	Mort	0.41	97%
Sep 2025	Maternal Calving Difficulty	5.32%	82%
May 2025	Maternal Calving Difficulty	5.27%	81%

302 total progeny records from 94 dairy contemporary groups

( 4,567 herdmate records from 94 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 81.7%, FR: 13.9%, JE: 0.6%, NR: 0.1%, OTHER: 1.0%	HO: 76.8%, FR: 16.5%, JE: 1.1%, NR: 0.4%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.7% 2.7%	7.1% 2.8% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	752 Days 1152 Days 2103 Days	755 Days 1148 Days 2161 Days

43 total progeny records from 13 contemporary groups

( 901 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 93.3%, FR: 5.5%, JE: 0.0%, NR: 0.0%, OTHER: 0.6%	HO: 80.8%, FR: 11.0%, JE: 0.0%, NR: 0.2%, OTHER: 6.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 21.1% 19.7%	0% 21.2% 20.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.3kg 41.4kg	0kg 40.7kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1174 Days 2053 Days	0 Days 1170 Days 2121 Days

21 total progeny records from 2 contemporary groups

( 241 herdmate records from 2 contemporary groups)