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% 2.1%	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 5.3% 2.1%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.0%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.8%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-3.80 days	99%
May 2025	Gestation (Days between conception and birth)	-3.82 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.51	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.58	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.55%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.50%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.1%	99% 99%
Sep 2025	Birth Size	17.0%	95%
May 2025	Birth Size	16.8%	95%
Sep 2025	Birth Weight	39.5 kg	94%
May 2025	Birth Weight	39.5 kg	94%
Sep 2025	Gest	-3.80 days	99%
May 2025	Gest	-3.82 days	99%
Sep 2025	Mort	-0.51	99%
May 2025	Mort	-0.58	99%
Sep 2025	Maternal Calving Difficulty	5.55%	99%
May 2025	Maternal Calving Difficulty	5.50%	99%

4,728 total progeny records from 1,452 dairy contemporary groups

( 36,950 herdmate records from 1,402 dairy contemporary groups)

960 progeny ( 4,244 herdmates) born to heifers
1,024 progeny ( 9,759 herdmates) born to 2nd parity dam
2,744 progeny ( 22,947 herdmates) born to ≥3rd parity dam
51% progeny (50.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.6%, FR: 24.9%, JE: 0.8%, NR: 0.1%, OTHER: 2.7%	HO: 70.2%, FR: 22.1%, JE: 0.9%, NR: 0.3%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.8% 3.1% 3.2%	7.5% 3.1% 3.2%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	830 Days 1221 Days 2289 Days	797 Days 1193 Days 2231 Days

45 total progeny records from 14 contemporary groups

( 466 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.3%, FR: 26.4%, JE: 1.0%, NR: 0.2%, OTHER: 0.7%	HO: 68.0%, FR: 25.3%, JE: 0.7%, NR: 0.0%, OTHER: 1.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20% 19.5% 21%	20.1% 19.6% 20.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.4kg 41.5kg 41.8kg	41.6kg 41.5kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	918 Days 1162 Days 2299 Days	773 Days 1157 Days 2276 Days

33 total progeny records from 12 contemporary groups

( 763 herdmate records from 12 contemporary groups)