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 6.2% 2.6%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.6%	97% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.2%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-3.34 days	99%
May 2025	Gestation (Days between conception and birth)	-3.31 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.46%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.40%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.6%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.6%	97% 98%
Sep 2025	Birth Size	19.2%	97%
May 2025	Birth Size	19.0%	96%
Sep 2025	Birth Weight	41.1 kg	95%
May 2025	Birth Weight	41.1 kg	95%
Sep 2025	Gest	-3.34 days	99%
May 2025	Gest	-3.31 days	99%
Sep 2025	Mort	-0.48	99%
May 2025	Mort	-0.45	99%
Sep 2025	Maternal Calving Difficulty	4.46%	95%
May 2025	Maternal Calving Difficulty	4.40%	95%

2,620 total progeny records from 656 dairy contemporary groups

( 44,429 herdmate records from 653 dairy contemporary groups)

530 progeny ( 4,344 herdmates) born to heifers
622 progeny ( 10,167 herdmates) born to 2nd parity dam
1,468 progeny ( 29,918 herdmates) born to ≥3rd parity dam
32.1% progeny (46.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.4%, FR: 19.3%, JE: 3.3%, NR: 0.7%, OTHER: 0.9%	HO: 72.6%, FR: 19.2%, JE: 4.9%, NR: 0.7%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1113 Days 2099 Days	746 Days 1118 Days 2208 Days

175 total progeny records from 43 contemporary groups

( 3,424 herdmate records from 43 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.9%, FR: 20.0%, JE: 1.5%, NR: 0.2%, OTHER: 0.6%	HO: 72.9%, FR: 20.5%, JE: 3.3%, NR: 0.3%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.2% 19.8% 18.9%	19% 19.2% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.5kg 40.9kg 41.1kg	40.6kg 40.6kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	731 Days 1110 Days 2064 Days	738 Days 1113 Days 2199 Days

101 total progeny records from 18 contemporary groups

( 2,221 herdmate records from 18 contemporary groups)