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 7.3% 2.9%	95% ( 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 7.4% 2.9%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.3%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.5%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-3.04 days	99%
May 2025	Gestation (Days between conception and birth)	-3.05 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.25	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.25	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.52%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.47%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 2.9%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.9%	95% 98%
Sep 2025	Birth Size	21.3%	94%
May 2025	Birth Size	21.5%	94%
Sep 2025	Birth Weight	40.8 kg	93%
May 2025	Birth Weight	40.9 kg	93%
Sep 2025	Gest	-3.04 days	99%
May 2025	Gest	-3.05 days	99%
Sep 2025	Mort	-0.25	99%
May 2025	Mort	-0.25	99%
Sep 2025	Maternal Calving Difficulty	4.52%	94%
May 2025	Maternal Calving Difficulty	4.47%	94%

1,860 total progeny records from 367 dairy contemporary groups

( 35,116 herdmate records from 366 dairy contemporary groups)

241 progeny ( 2,307 herdmates) born to heifers
477 progeny ( 8,318 herdmates) born to 2nd parity dam
1,142 progeny ( 24,491 herdmates) born to ≥3rd parity dam
46.1% progeny (48.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.9%, FR: 25.4%, JE: 9.6%, NR: 0.9%, OTHER: 1.0%	HO: 61.6%, FR: 25.2%, JE: 9.5%, NR: 1.0%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.5% 2.5%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1106 Days 2086 Days	737 Days 1107 Days 2161 Days

92 total progeny records from 26 contemporary groups

( 1,912 herdmate records from 26 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.5%, FR: 21.9%, JE: 11.0%, NR: 1.0%, OTHER: 0.7%	HO: 64.9%, FR: 24.1%, JE: 7.8%, NR: 0.8%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.3% 18.2% 17.6%	17.8% 17.3% 18.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	38.7kg 41kg 41.1kg	40.6kg 40.5kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	848 Days 1113 Days 1917 Days	737 Days 1112 Days 2161 Days

71 total progeny records from 23 contemporary groups

( 2,249 herdmate records from 23 contemporary groups)