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 5.9% 2.4%	95% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.5%	95% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.8%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.4%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	92%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	92%
Sep 2025	Gestation (Days between conception and birth)	-3.10 days	99%
May 2025	Gestation (Days between conception and birth)	-3.09 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.05	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.09	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.73%	93%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.74%	93%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	95% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.5%	95% 96%
Sep 2025	Birth Size	15.8%	94%
May 2025	Birth Size	15.4%	93%
Sep 2025	Birth Weight	40.4 kg	92%
May 2025	Birth Weight	40.4 kg	92%
Sep 2025	Gest	-3.10 days	99%
May 2025	Gest	-3.09 days	99%
Sep 2025	Mort	-0.05	99%
May 2025	Mort	-0.09	99%
Sep 2025	Maternal Calving Difficulty	4.73%	93%
May 2025	Maternal Calving Difficulty	4.74%	93%

992 total progeny records from 201 dairy contemporary groups

( 16,266 herdmate records from 201 dairy contemporary groups)

151 progeny ( 1,093 herdmates) born to heifers
263 progeny ( 3,933 herdmates) born to 2nd parity dam
578 progeny ( 11,240 herdmates) born to ≥3rd parity dam
49.7% progeny (49.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.7%, FR: 26.6%, JE: 5.0%, NR: 0.6%, OTHER: 1.4%	HO: 63.8%, FR: 25.5%, JE: 6.7%, NR: 0.9%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1106 Days 2087 Days	735 Days 1120 Days 2169 Days

71 total progeny records from 16 contemporary groups

( 1,277 herdmate records from 16 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.2%, FR: 26.9%, JE: 4.3%, NR: 0.5%, OTHER: 1.2%	HO: 68.0%, FR: 24.8%, JE: 3.6%, NR: 0.5%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.9% 17.5% 19.1%	18.7% 18.2% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.2kg 41kg	40.9kg 40.6kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1101 Days 2034 Days	732 Days 1108 Days 2143 Days

35 total progeny records from 7 contemporary groups

( 735 herdmate records from 7 contemporary groups)