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 5.3% 2.4%	98% ( 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 5.3% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.5%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.2%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.57 days	99%
May 2025	Gestation (Days between conception and birth)	-4.58 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.59	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.18%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.99%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.4%	98% 99%
Sep 2025	Birth Size	13.5%	97%
May 2025	Birth Size	13.2%	97%
Sep 2025	Birth Weight	39.5 kg	96%
May 2025	Birth Weight	39.6 kg	96%
Sep 2025	Gest	-4.57 days	99%
May 2025	Gest	-4.58 days	99%
Sep 2025	Mort	-0.64	99%
May 2025	Mort	-0.59	99%
Sep 2025	Maternal Calving Difficulty	4.18%	91%
May 2025	Maternal Calving Difficulty	3.99%	91%

4,306 total progeny records from 937 dairy contemporary groups

( 80,818 herdmate records from 929 dairy contemporary groups)

1,231 progeny ( 10,814 herdmates) born to heifers
1,027 progeny ( 17,580 herdmates) born to 2nd parity dam
2,048 progeny ( 52,424 herdmates) born to ≥3rd parity dam
32.6% progeny (45.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.0%, FR: 20.7%, JE: 9.6%, NR: 0.7%, OTHER: 0.8%	HO: 65.7%, FR: 21.0%, JE: 10.0%, NR: 0.8%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1103 Days 2060 Days	738 Days 1112 Days 2156 Days

199 total progeny records from 44 contemporary groups

( 3,614 herdmate records from 44 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.8%, FR: 20.3%, JE: 8.6%, NR: 0.8%, OTHER: 0.6%	HO: 67.1%, FR: 20.6%, JE: 8.8%, NR: 0.5%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 16.3% 17.4%	18.2% 18.1% 18%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.4kg 40.5kg 40.4kg	40.5kg 40.5kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1103 Days 2029 Days	737 Days 1109 Days 2119 Days

176 total progeny records from 46 contemporary groups

( 4,683 herdmate records from 46 contemporary groups)