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 5.4% 2.4%	96% ( 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%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.9%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.11 days	99%
May 2025	Gestation (Days between conception and birth)	-3.11 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-1.00	99%
May 2025	Mortality (Calves dead at or soon after birth)	-1.04	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.90%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.82%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	96% 99%
Sep 2025	Birth Size	17.9%	97%
May 2025	Birth Size	18.1%	96%
Sep 2025	Birth Weight	40.8 kg	96%
May 2025	Birth Weight	40.8 kg	96%
Sep 2025	Gest	-3.11 days	99%
May 2025	Gest	-3.11 days	99%
Sep 2025	Mort	-1.00	99%
May 2025	Mort	-1.04	99%
Sep 2025	Maternal Calving Difficulty	4.90%	97%
May 2025	Maternal Calving Difficulty	4.82%	97%

2,585 total progeny records from 647 dairy contemporary groups

( 40,938 herdmate records from 638 dairy contemporary groups)

175 progeny ( 1,520 herdmates) born to heifers
777 progeny ( 10,062 herdmates) born to 2nd parity dam
1,633 progeny ( 29,356 herdmates) born to ≥3rd parity dam
50.8% progeny (51.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.6%, FR: 19.4%, JE: 1.9%, NR: 0.3%, OTHER: 1.2%	HO: 73.0%, FR: 20.4%, JE: 2.6%, NR: 0.6%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.6%	6.5% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	771 Days 1123 Days 2131 Days	746 Days 1130 Days 2194 Days

135 total progeny records from 41 contemporary groups

( 2,534 herdmate records from 41 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.6%, FR: 21.3%, JE: 1.4%, NR: 0.4%, OTHER: 0.9%	HO: 70.5%, FR: 24.1%, JE: 1.7%, NR: 0.7%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.2% 19.6% 20.9%	19.8% 19.7% 20.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.4kg 40.9kg 41.1kg	41kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1126 Days 2164 Days	758 Days 1141 Days 2214 Days

157 total progeny records from 23 contemporary groups

( 1,874 herdmate records from 23 contemporary groups)