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 7.2% 2.8%	97% ( 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 7.3% 2.8%	97% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.6%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.02 days	99%
May 2025	Gestation (Days between conception and birth)	-3.01 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.24	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.27	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.67%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.60%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.2% 2.8%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 2.8%	97% 98%
Sep 2025	Birth Size	21.5%	95%
May 2025	Birth Size	21.6%	95%
Sep 2025	Birth Weight	40.5 kg	96%
May 2025	Birth Weight	40.7 kg	96%
Sep 2025	Gest	-3.02 days	99%
May 2025	Gest	-3.01 days	99%
Sep 2025	Mort	-0.24	99%
May 2025	Mort	-0.27	99%
Sep 2025	Maternal Calving Difficulty	5.67%	93%
May 2025	Maternal Calving Difficulty	5.60%	93%

2,398 total progeny records from 511 dairy contemporary groups

( 47,042 herdmate records from 509 dairy contemporary groups)

596 progeny ( 5,424 herdmates) born to heifers
550 progeny ( 11,217 herdmates) born to 2nd parity dam
1,252 progeny ( 30,401 herdmates) born to ≥3rd parity dam
38.1% progeny (47.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.4%, FR: 21.9%, JE: 11.0%, NR: 0.6%, OTHER: 0.8%	HO: 65.0%, FR: 21.9%, JE: 10.4%, NR: 0.5%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.4%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1098 Days 2077 Days	736 Days 1109 Days 2143 Days

120 total progeny records from 33 contemporary groups

( 2,575 herdmate records from 33 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.5%, FR: 21.2%, JE: 13.6%, NR: 0.7%, OTHER: 0.7%	HO: 65.4%, FR: 21.3%, JE: 10.5%, NR: 0.6%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18% 18% 18.1%	18.4% 17.5% 18.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.5kg 39.3kg 40.2kg	40.1kg 39.7kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	723 Days 1088 Days 2103 Days	734 Days 1105 Days 2117 Days

158 total progeny records from 21 contemporary groups

( 3,603 herdmate records from 21 contemporary groups)