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 6.6% 2.6%	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 6.7% 2.6%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.2%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-5.26 days	99%
May 2025	Gestation (Days between conception and birth)	-5.27 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.49	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.27%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.28%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.6%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.6%	98% 99%
Sep 2025	Birth Size	20.3%	98%
May 2025	Birth Size	20.2%	98%
Sep 2025	Birth Weight	40.4 kg	98%
May 2025	Birth Weight	40.5 kg	98%
Sep 2025	Gest	-5.26 days	99%
May 2025	Gest	-5.27 days	99%
Sep 2025	Mort	-0.45	99%
May 2025	Mort	-0.49	99%
Sep 2025	Maternal Calving Difficulty	4.27%	98%
May 2025	Maternal Calving Difficulty	4.28%	98%

6,607 total progeny records from 1,299 dairy contemporary groups

( 99,043 herdmate records from 1,297 dairy contemporary groups)

850 progeny ( 7,462 herdmates) born to heifers
1,631 progeny ( 22,993 herdmates) born to 2nd parity dam
4,126 progeny ( 68,588 herdmates) born to ≥3rd parity dam
46.7% progeny (49.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.3%, FR: 25.9%, JE: 4.5%, NR: 0.7%, OTHER: 1.1%	HO: 65.5%, FR: 25.6%, JE: 5.2%, NR: 0.8%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.6%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1105 Days 2109 Days	739 Days 1113 Days 2181 Days

538 total progeny records from 117 contemporary groups

( 9,991 herdmate records from 117 contemporary groups)

83 progeny ( 2,229 herdmates) born to heifers
143 progeny ( 1,973 herdmates) born to 2nd parity dam
312 progeny ( 5,789 herdmates) born to ≥3rd parity dam
48.9% progeny (49.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.5%, FR: 23.1%, JE: 3.9%, NR: 1.0%, OTHER: 1.1%	HO: 68.1%, FR: 24.2%, JE: 3.9%, NR: 0.8%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 18.7% 18.9%	18.7% 18.6% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.5kg 40.6kg 40.7kg	40.6kg 40.6kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1099 Days 2041 Days	741 Days 1114 Days 2169 Days

269 total progeny records from 49 contemporary groups

( 4,590 herdmate records from 49 contemporary groups)