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 7.3% 3.2%	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 7.3% 3.2%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	26.5%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	26.4%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.6 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	42.7 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-5.15 days	99%
May 2025	Gestation (Days between conception and birth)	-5.18 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.56%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.56%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 3.2%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 3.2%	98% 99%
Sep 2025	Birth Size	26.5%	97%
May 2025	Birth Size	26.4%	97%
Sep 2025	Birth Weight	42.6 kg	97%
May 2025	Birth Weight	42.7 kg	97%
Sep 2025	Gest	-5.15 days	99%
May 2025	Gest	-5.18 days	99%
Sep 2025	Mort	-0.26	99%
May 2025	Mort	-0.31	99%
Sep 2025	Maternal Calving Difficulty	4.56%	98%
May 2025	Maternal Calving Difficulty	4.56%	97%

3,846 total progeny records from 814 dairy contemporary groups

( 41,018 herdmate records from 800 dairy contemporary groups)

771 progeny ( 4,792 herdmates) born to heifers
968 progeny ( 9,688 herdmates) born to 2nd parity dam
2,107 progeny ( 26,538 herdmates) born to ≥3rd parity dam
38.9% progeny (47.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 80.3%, FR: 14.6%, JE: 1.0%, NR: 0.3%, OTHER: 1.7%	HO: 79.9%, FR: 14.8%, JE: 1.2%, NR: 0.3%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.8% 2.8%	6.8% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1129 Days 2092 Days	755 Days 1142 Days 2172 Days

191 total progeny records from 38 contemporary groups

( 2,240 herdmate records from 38 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.8%, FR: 15.7%, JE: 0.2%, NR: 0.1%, OTHER: 4.1%	HO: 74.4%, FR: 14.7%, JE: 0.5%, NR: 0.5%, OTHER: 5.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 21.3% 20.1%	21.2% 20.5% 20.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.6kg 41.5kg 41.4kg	41.7kg 41.4kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1099 Days 2142 Days	745 Days 1111 Days 2137 Days

194 total progeny records from 26 contemporary groups

( 2,206 herdmate records from 26 contemporary groups)