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 6.0% 2.1%	98% ( 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 6.1% 2.1%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.6%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.7%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.82 days	99%
May 2025	Gestation (Days between conception and birth)	-4.83 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.12	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.31%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.26%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.1%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.1%	98% 99%
Sep 2025	Birth Size	15.6%	97%
May 2025	Birth Size	15.7%	97%
Sep 2025	Birth Weight	40.2 kg	97%
May 2025	Birth Weight	40.3 kg	97%
Sep 2025	Gest	-4.82 days	99%
May 2025	Gest	-4.83 days	99%
Sep 2025	Mort	-0.06	99%
May 2025	Mort	-0.12	99%
Sep 2025	Maternal Calving Difficulty	5.31%	99%
May 2025	Maternal Calving Difficulty	5.26%	98%

3,902 total progeny records from 979 dairy contemporary groups

( 52,173 herdmate records from 968 dairy contemporary groups)

678 progeny ( 3,579 herdmates) born to heifers
1,053 progeny ( 13,043 herdmates) born to 2nd parity dam
2,171 progeny ( 35,551 herdmates) born to ≥3rd parity dam
48.6% progeny (51.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.0%, FR: 18.9%, JE: 2.6%, NR: 0.5%, OTHER: 1.0%	HO: 74.3%, FR: 18.4%, JE: 2.8%, NR: 0.6%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.7% 2.8%	6.6% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1127 Days 2121 Days	748 Days 1137 Days 2150 Days

184 total progeny records from 59 contemporary groups

( 3,759 herdmate records from 59 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.3%, FR: 19.0%, JE: 1.7%, NR: 0.5%, OTHER: 0.5%	HO: 70.8%, FR: 21.8%, JE: 2.3%, NR: 0.8%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 19.4% 20.2%	18.9% 19.2% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 41.3kg 41.3kg	40.9kg 41kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	769 Days 1125 Days 2051 Days	755 Days 1133 Days 2158 Days

146 total progeny records from 31 contemporary groups

( 2,245 herdmate records from 31 contemporary groups)