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 6.0% 2.4%	94% ( 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 6.1% 2.4%	94% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.7%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.6%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-2.75 days	99%
May 2025	Gestation (Days between conception and birth)	-2.75 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.52	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.53	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.84%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.4%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.4%	94% 97%
Sep 2025	Birth Size	13.7%	94%
May 2025	Birth Size	13.6%	94%
Sep 2025	Birth Weight	41.4 kg	95%
May 2025	Birth Weight	41.5 kg	92%
Sep 2025	Gest	-2.75 days	99%
May 2025	Gest	-2.75 days	99%
Sep 2025	Mort	-0.52	99%
May 2025	Mort	-0.53	99%
Sep 2025	Maternal Calving Difficulty	4.83%	94%
May 2025	Maternal Calving Difficulty	4.84%	94%

1,397 total progeny records from 327 dairy contemporary groups

( 30,531 herdmate records from 324 dairy contemporary groups)

188 progeny ( 1,426 herdmates) born to heifers
343 progeny ( 7,337 herdmates) born to 2nd parity dam
866 progeny ( 21,768 herdmates) born to ≥3rd parity dam
52.5% progeny (50.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.8%, FR: 21.8%, JE: 9.4%, NR: 0.8%, OTHER: 1.2%	HO: 62.9%, FR: 22.0%, JE: 10.7%, NR: 1.2%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6.1% 2.4% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	801 Days 1159 Days 2103 Days	762 Days 1113 Days 2137 Days

77 total progeny records from 26 contemporary groups

( 2,779 herdmate records from 26 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.5%, FR: 22.1%, JE: 14.7%, NR: 0.5%, OTHER: 0.9%	HO: 61.9%, FR: 22.5%, JE: 12.4%, NR: 1.2%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.1% 17% 16.7%	17% 17.2% 17.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40kg 39.6kg 39.4kg	39.6kg 39.5kg 39.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1110 Days 2046 Days	742 Days 1110 Days 2115 Days

68 total progeny records from 12 contemporary groups

( 1,586 herdmate records from 12 contemporary groups)