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 5.9% 2.5%	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 5.8% 2.5%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-3.42 days	99%
May 2025	Gestation (Days between conception and birth)	-3.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.47	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)	4.63%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.52%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.5%	97% 99%
Sep 2025	Birth Size	20.7%	98%
May 2025	Birth Size	20.3%	98%
Sep 2025	Birth Weight	40.6 kg	97%
May 2025	Birth Weight	40.7 kg	97%
Sep 2025	Gest	-3.42 days	99%
May 2025	Gest	-3.43 days	99%
Sep 2025	Mort	-0.47	99%
May 2025	Mort	-0.49	99%
Sep 2025	Maternal Calving Difficulty	4.63%	98%
May 2025	Maternal Calving Difficulty	4.52%	98%

4,007 total progeny records from 786 dairy contemporary groups

( 55,609 herdmate records from 782 dairy contemporary groups)

370 progeny ( 3,275 herdmates) born to heifers
1,002 progeny ( 13,076 herdmates) born to 2nd parity dam
2,635 progeny ( 39,258 herdmates) born to ≥3rd parity dam
52.9% progeny (51.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.3%, FR: 27.0%, JE: 5.9%, NR: 0.7%, OTHER: 1.2%	HO: 63.4%, FR: 27.0%, JE: 5.2%, NR: 0.9%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.3% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1111 Days 2096 Days	742 Days 1115 Days 2186 Days

249 total progeny records from 65 contemporary groups

( 4,407 herdmate records from 65 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.2%, FR: 23.1%, JE: 6.8%, NR: 0.6%, OTHER: 1.2%	HO: 64.4%, FR: 25.1%, JE: 5.4%, NR: 1.2%, OTHER: 2.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.6% 18.3% 18.1%	18.1% 18.7% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 40.5kg 40.1kg	40.5kg 40.6kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1104 Days 2142 Days	736 Days 1113 Days 2186 Days

168 total progeny records from 33 contemporary groups

( 3,096 herdmate records from 33 contemporary groups)