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 4.5% 2.1%	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 4.5% 2.2%	94% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	12.9%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	12.6%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-5.75 days	99%
May 2025	Gestation (Days between conception and birth)	-5.74 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.33	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.54%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	86%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.5% 2.1%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.5% 2.2%	94% 97%
Sep 2025	Birth Size	12.9%	96%
May 2025	Birth Size	12.6%	96%
Sep 2025	Birth Weight	39.9 kg	95%
May 2025	Birth Weight	39.9 kg	95%
Sep 2025	Gest	-5.75 days	99%
May 2025	Gest	-5.74 days	99%
Sep 2025	Mort	-0.35	99%
May 2025	Mort	-0.33	99%
Sep 2025	Maternal Calving Difficulty	4.54%	86%
May 2025	Maternal Calving Difficulty	4.39%	86%

1,864 total progeny records from 449 dairy contemporary groups

( 37,838 herdmate records from 449 dairy contemporary groups)

315 progeny ( 2,836 herdmates) born to heifers
449 progeny ( 8,503 herdmates) born to 2nd parity dam
1,100 progeny ( 26,499 herdmates) born to ≥3rd parity dam
49.9% progeny (47.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.5%, FR: 25.1%, JE: 3.3%, NR: 0.6%, OTHER: 0.5%	HO: 68.7%, FR: 23.6%, JE: 5.0%, NR: 0.7%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1102 Days 2074 Days	742 Days 1110 Days 2174 Days

162 total progeny records from 36 contemporary groups

( 3,468 herdmate records from 36 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.9%, FR: 23.3%, JE: 2.5%, NR: 0.3%, OTHER: 0.5%	HO: 71.0%, FR: 23.4%, JE: 3.7%, NR: 0.3%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 18.5% 19.3%	18% 18.5% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 40.9kg 40.9kg	40.6kg 40.6kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1099 Days 1996 Days	740 Days 1109 Days 2146 Days

123 total progeny records from 20 contemporary groups

( 2,376 herdmate records from 20 contemporary groups)