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% 2.4%	96% ( 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 5.5% 2.4%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-2.89 days	99%
May 2025	Gestation (Days between conception and birth)	-2.90 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.62	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.65	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.02%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.99%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	95% 98%
Sep 2025	Birth Size	22.3%	97%
May 2025	Birth Size	22.3%	97%
Sep 2025	Birth Weight	40.3 kg	95%
May 2025	Birth Weight	40.4 kg	95%
Sep 2025	Gest	-2.89 days	99%
May 2025	Gest	-2.90 days	99%
Sep 2025	Mort	-0.62	99%
May 2025	Mort	-0.65	99%
Sep 2025	Maternal Calving Difficulty	5.02%	95%
May 2025	Maternal Calving Difficulty	4.99%	94%

2,214 total progeny records from 557 dairy contemporary groups

( 40,096 herdmate records from 555 dairy contemporary groups)

308 progeny ( 3,675 herdmates) born to heifers
554 progeny ( 9,274 herdmates) born to 2nd parity dam
1,352 progeny ( 27,147 herdmates) born to ≥3rd parity dam
46.3% progeny (47.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.7%, FR: 23.1%, JE: 5.2%, NR: 1.0%, OTHER: 1.6%	HO: 67.1%, FR: 23.0%, JE: 5.5%, NR: 1.2%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1107 Days 2163 Days	746 Days 1115 Days 2172 Days

221 total progeny records from 56 contemporary groups

( 4,421 herdmate records from 56 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.7%, FR: 25.5%, JE: 2.9%, NR: 0.2%, OTHER: 0.7%	HO: 70.0%, FR: 21.7%, JE: 4.6%, NR: 0.9%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.2% 18.1% 18.6%	18.3% 18.5% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.7kg 40.7kg	40.9kg 40.6kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1108 Days 2230 Days	739 Days 1111 Days 2185 Days

102 total progeny records from 18 contemporary groups

( 2,503 herdmate records from 18 contemporary groups)