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 4.1% 1.9%	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 4.2% 1.9%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	11.2%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	10.8%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	36.5 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	36.7 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-4.45 days	99%
May 2025	Gestation (Days between conception and birth)	-4.45 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.41	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.39%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.30%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.1% 1.9%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.2% 1.9%	97% 99%
Sep 2025	Birth Size	11.2%	96%
May 2025	Birth Size	10.8%	95%
Sep 2025	Birth Weight	36.5 kg	93%
May 2025	Birth Weight	36.7 kg	93%
Sep 2025	Gest	-4.45 days	99%
May 2025	Gest	-4.45 days	99%
Sep 2025	Mort	-0.35	99%
May 2025	Mort	-0.41	99%
Sep 2025	Maternal Calving Difficulty	5.39%	97%
May 2025	Maternal Calving Difficulty	5.30%	97%

1,949 total progeny records from 192 dairy contemporary groups

( 16,650 herdmate records from 191 dairy contemporary groups)

365 progeny ( 2,210 herdmates) born to heifers
486 progeny ( 3,832 herdmates) born to 2nd parity dam
1,098 progeny ( 10,608 herdmates) born to ≥3rd parity dam
50.2% progeny (49.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 48.2%, FR: 19.0%, JE: 25.9%, NR: 2.5%, OTHER: 2.4%	HO: 46.6%, FR: 19.1%, JE: 24.8%, NR: 3.9%, OTHER: 3.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.7% 2.3% 2.3%	5.6% 2.3% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1107 Days 2059 Days	738 Days 1109 Days 2130 Days

91 total progeny records from 4 contemporary groups

( 381 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 56.6%, FR: 14.7%, JE: 20.6%, NR: 2.1%, OTHER: 1.2%	HO: 50.8%, FR: 18.4%, JE: 26.3%, NR: 0.9%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	15.6% 17.4% 16.3%	14.1% 16.5% 14%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.7kg 39.5kg	39.7kg 39.7kg 39.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1113 Days 2079 Days	774 Days 1119 Days 1994 Days

10 total progeny records from 3 contemporary groups

( 414 herdmate records from 3 contemporary groups)