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 6.2% 2.5%	97% ( 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 6.2% 2.5%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.7%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.6%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-4.40 days	99%
May 2025	Gestation (Days between conception and birth)	-4.42 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.40	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.04%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.02%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	97% 99%
Sep 2025	Birth Size	18.7%	98%
May 2025	Birth Size	18.6%	98%
Sep 2025	Birth Weight	40.9 kg	98%
May 2025	Birth Weight	41.0 kg	98%
Sep 2025	Gest	-4.40 days	99%
May 2025	Gest	-4.42 days	99%
Sep 2025	Mort	-0.37	99%
May 2025	Mort	-0.40	99%
Sep 2025	Maternal Calving Difficulty	4.04%	97%
May 2025	Maternal Calving Difficulty	4.02%	97%

4,462 total progeny records from 1,154 dairy contemporary groups

( 85,118 herdmate records from 1,151 dairy contemporary groups)

404 progeny ( 5,152 herdmates) born to heifers
1,019 progeny ( 20,215 herdmates) born to 2nd parity dam
3,039 progeny ( 59,751 herdmates) born to ≥3rd parity dam
45.8% progeny (48.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.9%, FR: 20.1%, JE: 6.8%, NR: 0.9%, OTHER: 1.5%	HO: 68.5%, FR: 20.7%, JE: 6.7%, NR: 0.8%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1120 Days 2169 Days	740 Days 1122 Days 2184 Days

392 total progeny records from 98 contemporary groups

( 6,972 herdmate records from 97 contemporary groups)

21 progeny ( 1,390 herdmates) born to heifers
80 progeny ( 1,349 herdmates) born to 2nd parity dam
291 progeny ( 4,233 herdmates) born to ≥3rd parity dam
50% progeny (49.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.4%, FR: 21.4%, JE: 4.8%, NR: 0.2%, OTHER: 0.9%	HO: 69.7%, FR: 20.8%, JE: 5.8%, NR: 0.5%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.7% 18.9% 18.6%	19% 19% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.6kg 40.4kg	40.5kg 40.4kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1125 Days 2188 Days	742 Days 1119 Days 2189 Days

242 total progeny records from 43 contemporary groups

( 4,932 herdmate records from 43 contemporary groups)