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 4.9% 2.2%	98% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.3%	98% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.3%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.7%	97%
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)	-5.12 days	99%
May 2025	Gestation (Days between conception and birth)	-5.14 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.80	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.47%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.37%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.9% 2.2%	98% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.3%	98% 98%
Sep 2025	Birth Size	16.3%	98%
May 2025	Birth Size	16.7%	97%
Sep 2025	Birth Weight	40.6 kg	97%
May 2025	Birth Weight	40.7 kg	97%
Sep 2025	Gest	-5.12 days	99%
May 2025	Gest	-5.14 days	99%
Sep 2025	Mort	-0.80	99%
May 2025	Mort	-0.78	99%
Sep 2025	Maternal Calving Difficulty	4.47%	94%
May 2025	Maternal Calving Difficulty	4.37%	93%

4,265 total progeny records from 947 dairy contemporary groups

( 62,623 herdmate records from 945 dairy contemporary groups)

1,342 progeny ( 9,388 herdmates) born to heifers
921 progeny ( 13,448 herdmates) born to 2nd parity dam
2,002 progeny ( 39,787 herdmates) born to ≥3rd parity dam
40.4% progeny (47.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.0%, FR: 24.0%, JE: 3.4%, NR: 0.6%, OTHER: 0.8%	HO: 68.9%, FR: 24.0%, JE: 4.1%, NR: 0.6%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1103 Days 2077 Days	738 Days 1112 Days 2190 Days

456 total progeny records from 101 contemporary groups

( 8,517 herdmate records from 101 contemporary groups)

157 progeny ( 1,993 herdmates) born to heifers
88 progeny ( 1,695 herdmates) born to 2nd parity dam
211 progeny ( 4,829 herdmates) born to ≥3rd parity dam
44.3% progeny (48.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.9%, FR: 23.2%, JE: 2.6%, NR: 0.5%, OTHER: 0.8%	HO: 68.6%, FR: 25.2%, JE: 3.1%, NR: 0.5%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 18.8% 18.9%	18.7% 18.7% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.8kg 40.8kg	40.7kg 40.7kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1117 Days 2077 Days	743 Days 1110 Days 2179 Days

263 total progeny records from 41 contemporary groups

( 4,677 herdmate records from 41 contemporary groups)