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 5.2% 2.5%	99% ( 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 5.2% 2.5%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.0%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-3.08 days	99%
May 2025	Gestation (Days between conception and birth)	-3.12 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.03	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.07	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.76%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.76%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.5%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.5%	99% 99%
Sep 2025	Birth Size	15.3%	97%
May 2025	Birth Size	15.0%	97%
Sep 2025	Birth Weight	41.0 kg	98%
May 2025	Birth Weight	41.0 kg	98%
Sep 2025	Gest	-3.08 days	99%
May 2025	Gest	-3.12 days	99%
Sep 2025	Mort	-0.03	99%
May 2025	Mort	-0.07	99%
Sep 2025	Maternal Calving Difficulty	5.76%	99%
May 2025	Maternal Calving Difficulty	5.76%	99%

10,261 total progeny records from 1,153 dairy contemporary groups

( 89,231 herdmate records from 1,146 dairy contemporary groups)

591 progeny ( 6,456 herdmates) born to heifers
3,020 progeny ( 22,575 herdmates) born to 2nd parity dam
6,650 progeny ( 60,200 herdmates) born to ≥3rd parity dam
52.3% progeny (50.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 53.3%, FR: 22.4%, JE: 17.5%, NR: 2.0%, OTHER: 2.3%	HO: 56.4%, FR: 22.5%, JE: 14.4%, NR: 1.9%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.4% 2.5%	5.9% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	762 Days 1109 Days 2041 Days	740 Days 1115 Days 2122 Days

106 total progeny records from 30 contemporary groups

( 1,979 herdmate records from 30 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.9%, FR: 21.4%, JE: 11.9%, NR: 2.2%, OTHER: 2.3%	HO: 62.1%, FR: 21.0%, JE: 11.8%, NR: 1.4%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	11.7% 17.3% 19.5%	17.6% 17.5% 18.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 40.4kg 40.7kg	40.6kg 40.6kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	714 Days 1109 Days 2055 Days	737 Days 1112 Days 2130 Days

176 total progeny records from 28 contemporary groups

( 1,664 herdmate records from 28 contemporary groups)