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% 2.1%	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 5.6% 2.1%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.2%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-6.29 days	99%
May 2025	Gestation (Days between conception and birth)	-6.31 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.03	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.07	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.85%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.79%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.1%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.1%	99% 99%
Sep 2025	Birth Size	18.1%	97%
May 2025	Birth Size	18.2%	97%
Sep 2025	Birth Weight	39.7 kg	96%
May 2025	Birth Weight	39.7 kg	96%
Sep 2025	Gest	-6.29 days	99%
May 2025	Gest	-6.31 days	99%
Sep 2025	Mort	0.03	99%
May 2025	Mort	-0.07	99%
Sep 2025	Maternal Calving Difficulty	5.85%	98%
May 2025	Maternal Calving Difficulty	5.79%	98%

4,282 total progeny records from 860 dairy contemporary groups

( 55,237 herdmate records from 848 dairy contemporary groups)

1,165 progeny ( 6,578 herdmates) born to heifers
914 progeny ( 12,581 herdmates) born to 2nd parity dam
2,203 progeny ( 36,078 herdmates) born to ≥3rd parity dam
48.7% progeny (51.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.0%, FR: 21.7%, JE: 6.9%, NR: 0.9%, OTHER: 1.6%	HO: 66.4%, FR: 21.6%, JE: 6.6%, NR: 1.2%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.6%	6.1% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1119 Days 2114 Days	740 Days 1117 Days 2168 Days

144 total progeny records from 36 contemporary groups

( 2,187 herdmate records from 35 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.0%, FR: 22.0%, JE: 10.0%, NR: 0.4%, OTHER: 1.3%	HO: 66.8%, FR: 21.8%, JE: 6.6%, NR: 1.3%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.7% 18.6% 19.4%	18.6% 18.3% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.1kg 40.8kg 41.1kg	40kg 40.2kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1118 Days 2062 Days	743 Days 1123 Days 2136 Days

81 total progeny records from 21 contemporary groups

( 1,674 herdmate records from 21 contemporary groups)