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 6.1% 2.5%	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 6.2% 2.5%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.90 days	99%
May 2025	Gestation (Days between conception and birth)	-4.91 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.53%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.48%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	98% 99%
Sep 2025	Birth Size	20.3%	97%
May 2025	Birth Size	20.3%	97%
Sep 2025	Birth Weight	40.8 kg	95%
May 2025	Birth Weight	41.0 kg	95%
Sep 2025	Gest	-4.90 days	99%
May 2025	Gest	-4.91 days	99%
Sep 2025	Mort	-0.37	99%
May 2025	Mort	-0.35	99%
Sep 2025	Maternal Calving Difficulty	5.53%	98%
May 2025	Maternal Calving Difficulty	5.48%	98%

4,591 total progeny records from 871 dairy contemporary groups

( 63,777 herdmate records from 869 dairy contemporary groups)

370 progeny ( 3,369 herdmates) born to heifers
972 progeny ( 15,487 herdmates) born to 2nd parity dam
3,249 progeny ( 44,921 herdmates) born to ≥3rd parity dam
42.7% progeny (49.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.9%, FR: 23.2%, JE: 5.8%, NR: 1.0%, OTHER: 1.7%	HO: 65.4%, FR: 23.6%, JE: 6.5%, NR: 0.9%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1109 Days 2247 Days	738 Days 1117 Days 2171 Days

200 total progeny records from 54 contemporary groups

( 3,861 herdmate records from 54 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.5%, FR: 24.7%, JE: 2.8%, NR: 0.4%, OTHER: 1.2%	HO: 68.6%, FR: 23.2%, JE: 3.9%, NR: 0.6%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.5% 18.8% 19.1%	18.7% 19.3% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.5kg 40.7kg 40.8kg	40kg 40.6kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1097 Days 2281 Days	740 Days 1117 Days 2196 Days

90 total progeny records from 21 contemporary groups

( 1,763 herdmate records from 21 contemporary groups)