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 7.4% 3.1%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.5% 3.2%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-3.78 days	99%
May 2025	Gestation (Days between conception and birth)	-3.79 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.52	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.46%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.41%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 3.1%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.5% 3.2%	97% 99%
Sep 2025	Birth Size	20.7%	97%
May 2025	Birth Size	20.8%	97%
Sep 2025	Birth Weight	41.2 kg	97%
May 2025	Birth Weight	41.3 kg	97%
Sep 2025	Gest	-3.78 days	99%
May 2025	Gest	-3.79 days	99%
Sep 2025	Mort	-0.48	99%
May 2025	Mort	-0.52	99%
Sep 2025	Maternal Calving Difficulty	4.46%	99%
May 2025	Maternal Calving Difficulty	4.41%	99%

4,585 total progeny records from 981 dairy contemporary groups

( 55,790 herdmate records from 975 dairy contemporary groups)

123 progeny ( 1,178 herdmates) born to heifers
1,226 progeny ( 14,188 herdmates) born to 2nd parity dam
3,236 progeny ( 40,424 herdmates) born to ≥3rd parity dam
49.7% progeny (51.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.9%, FR: 20.9%, JE: 1.8%, NR: 0.5%, OTHER: 1.6%	HO: 73.0%, FR: 19.9%, JE: 2.5%, NR: 0.6%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.7%	6.4% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	788 Days 1125 Days 2164 Days	753 Days 1131 Days 2180 Days

168 total progeny records from 35 contemporary groups

( 2,029 herdmate records from 35 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.8%, FR: 18.6%, JE: 1.3%, NR: 0.6%, OTHER: 1.6%	HO: 76.7%, FR: 17.4%, JE: 1.8%, NR: 0.7%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	28.8% 20% 20.1%	20.2% 19.5% 20%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.1kg 40.9kg 41.3kg	40.8kg 40.9kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	885 Days 1142 Days 2151 Days	775 Days 1161 Days 2196 Days

150 total progeny records from 30 contemporary groups

( 1,768 herdmate records from 30 contemporary groups)