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 5.8% 2.5%	96% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.5%	95% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-5.13 days	99%
May 2025	Gestation (Days between conception and birth)	-5.11 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.32	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.98%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.96%	86%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.5%	96% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.5%	95% 97%
Sep 2025	Birth Size	19.0%	94%
May 2025	Birth Size	19.0%	94%
Sep 2025	Birth Weight	40.0 kg	93%
May 2025	Birth Weight	39.9 kg	93%
Sep 2025	Gest	-5.13 days	99%
May 2025	Gest	-5.11 days	99%
Sep 2025	Mort	-0.32	99%
May 2025	Mort	-0.34	99%
Sep 2025	Maternal Calving Difficulty	3.98%	86%
May 2025	Maternal Calving Difficulty	3.96%	86%

1,688 total progeny records from 339 dairy contemporary groups

( 26,077 herdmate records from 338 dairy contemporary groups)

384 progeny ( 3,079 herdmates) born to heifers
355 progeny ( 5,812 herdmates) born to 2nd parity dam
949 progeny ( 17,186 herdmates) born to ≥3rd parity dam
36.7% progeny (45.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.5%, FR: 21.8%, JE: 5.0%, NR: 0.5%, OTHER: 0.9%	HO: 69.7%, FR: 20.9%, JE: 6.7%, NR: 0.6%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1110 Days 2118 Days	740 Days 1117 Days 2179 Days

83 total progeny records from 19 contemporary groups

( 1,675 herdmate records from 19 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 23.1%, JE: 3.3%, NR: 0.9%, OTHER: 0.2%	HO: 72.5%, FR: 20.6%, JE: 4.0%, NR: 0.6%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 19.3% 19%	18.3% 19.1% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 40.9kg 41kg	40.6kg 40.5kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	723 Days 1090 Days 1986 Days	739 Days 1115 Days 2162 Days

54 total progeny records from 10 contemporary groups

( 1,137 herdmate records from 10 contemporary groups)