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 6.0% 2.2%	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 6.0% 2.3%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.01 days	99%
May 2025	Gestation (Days between conception and birth)	-4.03 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.11%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.08%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.2%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.3%	98% 99%
Sep 2025	Birth Size	19.1%	97%
May 2025	Birth Size	19.1%	97%
Sep 2025	Birth Weight	40.0 kg	96%
May 2025	Birth Weight	40.0 kg	96%
Sep 2025	Gest	-4.01 days	99%
May 2025	Gest	-4.03 days	99%
Sep 2025	Mort	-0.67	99%
May 2025	Mort	-0.70	99%
Sep 2025	Maternal Calving Difficulty	5.11%	98%
May 2025	Maternal Calving Difficulty	5.08%	98%

4,429 total progeny records from 994 dairy contemporary groups

( 65,067 herdmate records from 990 dairy contemporary groups)

779 progeny ( 5,722 herdmates) born to heifers
1,050 progeny ( 15,050 herdmates) born to 2nd parity dam
2,600 progeny ( 44,295 herdmates) born to ≥3rd parity dam
40.6% progeny (49.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.7%, FR: 27.1%, JE: 5.3%, NR: 0.9%, OTHER: 1.8%	HO: 61.8%, FR: 26.1%, JE: 6.9%, NR: 1.0%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.3% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1111 Days 2119 Days	742 Days 1119 Days 2170 Days

195 total progeny records from 55 contemporary groups

( 3,661 herdmate records from 55 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.1%, FR: 23.6%, JE: 6.3%, NR: 0.3%, OTHER: 1.1%	HO: 63.8%, FR: 23.8%, JE: 6.6%, NR: 1.0%, OTHER: 1.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.5% 17.5% 18.8%	18.4% 18.5% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40kg 40.6kg 40.6kg	40.2kg 40.5kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1111 Days 2087 Days	741 Days 1117 Days 2146 Days

132 total progeny records from 31 contemporary groups

( 3,157 herdmate records from 31 contemporary groups)