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 5.5% 2.4%	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 5.5% 2.4%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	99%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.9%	99%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-1.37 days	99%
May 2025	Gestation (Days between conception and birth)	-1.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.60	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.65	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.80%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	99% 99%
Sep 2025	Birth Size	18.0%	99%
May 2025	Birth Size	17.9%	99%
Sep 2025	Birth Weight	40.8 kg	98%
May 2025	Birth Weight	40.8 kg	98%
Sep 2025	Gest	-1.37 days	99%
May 2025	Gest	-1.43 days	99%
Sep 2025	Mort	-0.60	99%
May 2025	Mort	-0.65	99%
Sep 2025	Maternal Calving Difficulty	4.83%	99%
May 2025	Maternal Calving Difficulty	4.80%	99%

13,353 total progeny records from 3,000 dairy contemporary groups

( 163,440 herdmate records from 2,989 dairy contemporary groups)

726 progeny ( 6,734 herdmates) born to heifers
3,422 progeny ( 42,544 herdmates) born to 2nd parity dam
9,205 progeny ( 114,162 herdmates) born to ≥3rd parity dam
49.4% progeny (50.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.0%, FR: 20.8%, JE: 2.4%, NR: 0.7%, OTHER: 1.4%	HO: 72.0%, FR: 19.8%, JE: 3.3%, NR: 0.8%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.7%	6.5% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	764 Days 1133 Days 2182 Days	752 Days 1131 Days 2145 Days

584 total progeny records from 128 contemporary groups

( 7,195 herdmate records from 128 contemporary groups)

33 progeny ( 1,626 herdmates) born to heifers
139 progeny ( 1,535 herdmates) born to 2nd parity dam
412 progeny ( 4,034 herdmates) born to ≥3rd parity dam
50% progeny (49.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.3%, FR: 21.6%, JE: 2.3%, NR: 0.9%, OTHER: 1.5%	HO: 70.1%, FR: 21.7%, JE: 3.0%, NR: 1.3%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 19.3% 19.7%	19.6% 19.7% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 40.9kg 41kg	40.8kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1126 Days 2215 Days	751 Days 1134 Days 2189 Days

318 total progeny records from 61 contemporary groups

( 4,524 herdmate records from 61 contemporary groups)