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 5.3% 2.2%	78% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.3%	78% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.8%	85%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.8%	85%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-2.41 days	96%
May 2025	Gestation (Days between conception and birth)	-2.41 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.63	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	83%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.95%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	78% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.3%	78% 91%
Sep 2025	Birth Size	15.8%	85%
May 2025	Birth Size	15.8%	85%
Sep 2025	Birth Weight	41.6 kg	89%
May 2025	Birth Weight	41.6 kg	89%
Sep 2025	Gest	-2.41 days	96%
May 2025	Gest	-2.41 days	96%
Sep 2025	Mort	-0.63	96%
May 2025	Mort	-0.70	96%
Sep 2025	Maternal Calving Difficulty	4.92%	83%
May 2025	Maternal Calving Difficulty	4.95%	83%

170 total progeny records from 63 dairy contemporary groups

( 2,941 herdmate records from 63 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 79.8%, FR: 16.0%, JE: 1.2%, NR: 0.4%, OTHER: 1.6%	HO: 80.1%, FR: 15.9%, JE: 1.2%, NR: 0.4%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.5% 2.7%	6.1% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1161 Days 2152 Days	753 Days 1176 Days 2210 Days

20 total progeny records from 7 contemporary groups

( 316 herdmate records from 7 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 82.7%, FR: 13.5%, JE: 0.0%, NR: 0.0%, OTHER: 2.6%	HO: 77.7%, FR: 17.6%, JE: 0.8%, NR: 0.3%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.6% 20.6%	0% 19.7% 20.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	38.8kg 40.6kg 41.2kg	41.4kg 41.3kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	757 Days 1124 Days 2205 Days	761 Days 1167 Days 2226 Days

14 total progeny records from 5 contemporary groups

( 156 herdmate records from 5 contemporary groups)