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 6.1% 2.6%	90% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.6%	90% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.5%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.4%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-3.79 days	99%
May 2025	Gestation (Days between conception and birth)	-3.78 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-1.07	99%
May 2025	Mortality (Calves dead at or soon after birth)	-1.05	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.32%	84%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.28%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.6%	90% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.6%	90% 94%
Sep 2025	Birth Size	13.5%	91%
May 2025	Birth Size	13.4%	89%
Sep 2025	Birth Weight	40.2 kg	92%
May 2025	Birth Weight	40.3 kg	91%
Sep 2025	Gest	-3.79 days	99%
May 2025	Gest	-3.78 days	99%
Sep 2025	Mort	-1.07	99%
May 2025	Mort	-1.05	99%
Sep 2025	Maternal Calving Difficulty	4.32%	84%
May 2025	Maternal Calving Difficulty	4.28%	83%

711 total progeny records from 176 dairy contemporary groups

( 14,420 herdmate records from 176 dairy contemporary groups)

90 progeny ( 1,080 herdmates) born to heifers
181 progeny ( 3,548 herdmates) born to 2nd parity dam
440 progeny ( 9,792 herdmates) born to ≥3rd parity dam
40.4% progeny (47.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.9%, FR: 23.9%, JE: 4.7%, NR: 0.5%, OTHER: 1.5%	HO: 68.5%, FR: 23.0%, JE: 5.4%, NR: 0.6%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.6% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1110 Days 2157 Days	738 Days 1114 Days 2160 Days

53 total progeny records from 16 contemporary groups

( 1,159 herdmate records from 16 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.5%, FR: 20.6%, JE: 4.3%, NR: 0.0%, OTHER: 1.5%	HO: 70.1%, FR: 22.4%, JE: 4.7%, NR: 0.7%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.3% 19.7% 17.3%	18.6% 18.4% 18.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.1kg 40.7kg	0kg 40.9kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	780 Days 1132 Days 2383 Days	743 Days 1122 Days 2172 Days

43 total progeny records from 8 contemporary groups

( 1,788 herdmate records from 8 contemporary groups)