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 6.3% 2.7%	98% ( 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 6.4% 2.7%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.3%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-2.71 days	99%
May 2025	Gestation (Days between conception and birth)	-2.74 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.54	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)	5.92%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.90%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.7%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.7%	98% 99%
Sep 2025	Birth Size	15.1%	97%
May 2025	Birth Size	15.3%	97%
Sep 2025	Birth Weight	39.8 kg	97%
May 2025	Birth Weight	39.8 kg	97%
Sep 2025	Gest	-2.71 days	99%
May 2025	Gest	-2.74 days	99%
Sep 2025	Mort	-0.54	99%
May 2025	Mort	-0.58	99%
Sep 2025	Maternal Calving Difficulty	5.92%	99%
May 2025	Maternal Calving Difficulty	5.90%	99%

7,178 total progeny records from 1,313 dairy contemporary groups

( 89,264 herdmate records from 1,304 dairy contemporary groups)

392 progeny ( 4,024 herdmates) born to heifers
1,812 progeny ( 22,521 herdmates) born to 2nd parity dam
4,974 progeny ( 62,719 herdmates) born to ≥3rd parity dam
50.8% progeny (51.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.5%, FR: 20.3%, JE: 7.0%, NR: 1.1%, OTHER: 1.7%	HO: 66.5%, FR: 21.2%, JE: 7.3%, NR: 1.1%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1128 Days 2149 Days	743 Days 1127 Days 2158 Days

184 total progeny records from 61 contemporary groups

( 3,552 herdmate records from 61 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.2%, FR: 20.4%, JE: 4.9%, NR: 1.2%, OTHER: 1.7%	HO: 67.3%, FR: 22.1%, JE: 5.6%, NR: 1.0%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 18.7% 20.1%	18.7% 19.1% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 40.6kg 40.8kg	40.6kg 40.6kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1129 Days 2270 Days	757 Days 1141 Days 2192 Days

179 total progeny records from 30 contemporary groups

( 2,223 herdmate records from 30 contemporary groups)