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 5.7% 2.4%	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 5.7% 2.4%	97% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.8%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.8%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-3.66 days	99%
May 2025	Gestation (Days between conception and birth)	-3.67 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.52	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.57	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.41%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.35%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.4%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.4%	97% 98%
Sep 2025	Birth Size	16.8%	96%
May 2025	Birth Size	16.8%	96%
Sep 2025	Birth Weight	40.9 kg	92%
May 2025	Birth Weight	41.0 kg	92%
Sep 2025	Gest	-3.66 days	99%
May 2025	Gest	-3.67 days	99%
Sep 2025	Mort	-0.52	99%
May 2025	Mort	-0.57	99%
Sep 2025	Maternal Calving Difficulty	4.41%	97%
May 2025	Maternal Calving Difficulty	4.35%	97%

1,872 total progeny records from 357 dairy contemporary groups

( 18,165 herdmate records from 354 dairy contemporary groups)

230 progeny ( 1,557 herdmates) born to heifers
530 progeny ( 4,406 herdmates) born to 2nd parity dam
1,112 progeny ( 12,202 herdmates) born to ≥3rd parity dam
53.1% progeny (50.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.6%, FR: 30.4%, JE: 3.9%, NR: 0.8%, OTHER: 1.8%	HO: 58.6%, FR: 31.6%, JE: 3.9%, NR: 1.0%, OTHER: 1.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.7%	6.5% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1125 Days 2068 Days	742 Days 1130 Days 2174 Days

80 total progeny records from 22 contemporary groups

( 1,160 herdmate records from 22 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 61.0%, FR: 32.6%, JE: 1.7%, NR: 0.4%, OTHER: 1.9%	HO: 60.0%, FR: 32.4%, JE: 1.9%, NR: 0.6%, OTHER: 1.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.4% 21% 20.5%	19.8% 21.3% 21.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.1kg 40.8kg 41.6kg	40.7kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1092 Days 2196 Days	738 Days 1119 Days 2160 Days

57 total progeny records from 12 contemporary groups

( 1,021 herdmate records from 12 contemporary groups)