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 6.8% 2.6%	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 6.8% 2.6%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.3%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-2.60 days	99%
May 2025	Gestation (Days between conception and birth)	-2.60 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.41	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.29%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.30%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.6%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.6%	96% 98%
Sep 2025	Birth Size	19.3%	95%
May 2025	Birth Size	19.1%	95%
Sep 2025	Birth Weight	40.2 kg	94%
May 2025	Birth Weight	40.3 kg	93%
Sep 2025	Gest	-2.60 days	99%
May 2025	Gest	-2.60 days	99%
Sep 2025	Mort	-0.41	99%
May 2025	Mort	-0.45	99%
Sep 2025	Maternal Calving Difficulty	4.29%	95%
May 2025	Maternal Calving Difficulty	4.30%	95%

2,170 total progeny records from 476 dairy contemporary groups

( 41,692 herdmate records from 473 dairy contemporary groups)

408 progeny ( 3,383 herdmates) born to heifers
506 progeny ( 9,655 herdmates) born to 2nd parity dam
1,256 progeny ( 28,654 herdmates) born to ≥3rd parity dam
44.7% progeny (49.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.6%, FR: 20.4%, JE: 8.6%, NR: 0.6%, OTHER: 1.1%	HO: 66.6%, FR: 20.9%, JE: 8.6%, NR: 0.9%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1110 Days 2095 Days	742 Days 1111 Days 2179 Days

100 total progeny records from 27 contemporary groups

( 2,061 herdmate records from 27 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.6%, FR: 18.8%, JE: 9.7%, NR: 0.7%, OTHER: 1.6%	HO: 68.1%, FR: 20.7%, JE: 6.5%, NR: 1.0%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 17.7% 18.3%	18.8% 18.3% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.6kg 39.8kg 40.6kg	40.7kg 40.4kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1095 Days 2075 Days	741 Days 1114 Days 2178 Days

83 total progeny records from 18 contemporary groups

( 2,243 herdmate records from 18 contemporary groups)