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% 2.8%	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 6.4% 2.8%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.5%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.5%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.09 days	99%
May 2025	Gestation (Days between conception and birth)	-4.08 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.50	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.54	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.36%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.42%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.8%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.8%	96% 98%
Sep 2025	Birth Size	15.5%	93%
May 2025	Birth Size	15.5%	93%
Sep 2025	Birth Weight	40.2 kg	95%
May 2025	Birth Weight	40.4 kg	95%
Sep 2025	Gest	-4.09 days	99%
May 2025	Gest	-4.08 days	99%
Sep 2025	Mort	-0.50	99%
May 2025	Mort	-0.54	99%
Sep 2025	Maternal Calving Difficulty	5.36%	88%
May 2025	Maternal Calving Difficulty	5.42%	87%

2,146 total progeny records from 327 dairy contemporary groups

( 35,756 herdmate records from 326 dairy contemporary groups)

442 progeny ( 3,880 herdmates) born to heifers
478 progeny ( 8,228 herdmates) born to 2nd parity dam
1,226 progeny ( 23,648 herdmates) born to ≥3rd parity dam
26.7% progeny (45.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.6%, FR: 19.3%, JE: 21.7%, NR: 1.3%, OTHER: 1.0%	HO: 57.4%, FR: 20.1%, JE: 18.5%, NR: 1.4%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.7% 2.4% 2.3%	5.7% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1096 Days 2033 Days	736 Days 1111 Days 2173 Days

80 total progeny records from 14 contemporary groups

( 1,524 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.1%, FR: 19.4%, JE: 18.4%, NR: 0.5%, OTHER: 0.7%	HO: 59.4%, FR: 20.0%, JE: 17.6%, NR: 0.7%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.9% 16.8% 15.5%	16.5% 17.3% 17.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39kg 39.5kg 40.2kg	39.3kg 39.5kg 40.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	724 Days 1093 Days 2054 Days	732 Days 1103 Days 2127 Days

115 total progeny records from 15 contemporary groups

( 2,640 herdmate records from 15 contemporary groups)