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 5.5% 2.4%	97% ( 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 5.4% 2.4%	97% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.7 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	38.7 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-3.52 days	99%
May 2025	Gestation (Days between conception and birth)	-3.54 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.57	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.60	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.81%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.83%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	97% 98%
Sep 2025	Birth Size	17.5%	95%
May 2025	Birth Size	17.2%	95%
Sep 2025	Birth Weight	38.7 kg	93%
May 2025	Birth Weight	38.7 kg	93%
Sep 2025	Gest	-3.52 days	99%
May 2025	Gest	-3.54 days	99%
Sep 2025	Mort	-0.57	99%
May 2025	Mort	-0.60	99%
Sep 2025	Maternal Calving Difficulty	5.81%	97%
May 2025	Maternal Calving Difficulty	5.83%	96%

2,364 total progeny records from 450 dairy contemporary groups

( 34,439 herdmate records from 450 dairy contemporary groups)

300 progeny ( 2,217 herdmates) born to heifers
577 progeny ( 8,275 herdmates) born to 2nd parity dam
1,487 progeny ( 23,947 herdmates) born to ≥3rd parity dam
52.1% progeny (51.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.9%, FR: 24.7%, JE: 6.0%, NR: 1.1%, OTHER: 1.5%	HO: 65.5%, FR: 22.7%, JE: 7.2%, NR: 1.0%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1104 Days 2119 Days	739 Days 1115 Days 2144 Days

100 total progeny records from 27 contemporary groups

( 1,713 herdmate records from 27 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 27.1%, JE: 6.6%, NR: 1.0%, OTHER: 1.3%	HO: 64.8%, FR: 24.6%, JE: 5.6%, NR: 0.7%, OTHER: 1.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.4% 17.4% 18.2%	18.9% 19.1% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.6kg 40.8kg 40.7kg	40.4kg 40.4kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	752 Days 1096 Days 1974 Days	741 Days 1122 Days 2173 Days

78 total progeny records from 15 contemporary groups

( 919 herdmate records from 15 contemporary groups)