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 7.4% 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 7.4% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.6%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.2%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-3.61 days	99%
May 2025	Gestation (Days between conception and birth)	-3.61 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.42	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.49	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.29%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.28%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.4%	98% 99%
Sep 2025	Birth Size	21.6%	93%
May 2025	Birth Size	21.2%	93%
Sep 2025	Birth Weight	40.6 kg	93%
May 2025	Birth Weight	40.7 kg	93%
Sep 2025	Gest	-3.61 days	99%
May 2025	Gest	-3.61 days	99%
Sep 2025	Mort	-0.42	99%
May 2025	Mort	-0.49	99%
Sep 2025	Maternal Calving Difficulty	6.29%	98%
May 2025	Maternal Calving Difficulty	6.28%	98%

2,400 total progeny records from 667 dairy contemporary groups

( 25,906 herdmate records from 663 dairy contemporary groups)

804 progeny ( 4,044 herdmates) born to heifers
470 progeny ( 6,211 herdmates) born to 2nd parity dam
1,126 progeny ( 15,651 herdmates) born to ≥3rd parity dam
50.4% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.8%, FR: 23.7%, JE: 3.1%, NR: 0.8%, OTHER: 2.4%	HO: 68.7%, FR: 21.4%, JE: 2.8%, NR: 0.8%, OTHER: 2.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.7% 2.9%	6.7% 2.7% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	754 Days 1128 Days 2179 Days	750 Days 1138 Days 2149 Days

13 total progeny records from 5 contemporary groups

( 303 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 78.8%, FR: 16.5%, JE: 0.1%, NR: 0.0%, OTHER: 1.2%	HO: 71.4%, FR: 20.1%, JE: 4.3%, NR: 0.3%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.5% 20.8% 24.4%	20% 20.2% 19.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.3kg 41.3kg 41.6kg	40.4kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1191 Days 1954 Days	757 Days 1144 Days 2164 Days

30 total progeny records from 11 contemporary groups

( 569 herdmate records from 11 contemporary groups)