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% 2.4%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.4%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.6%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-3.87 days	99%
May 2025	Gestation (Days between conception and birth)	-3.91 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)	-0.31	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.16%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.14%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.4%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.4%	99% 99%
Sep 2025	Birth Size	19.7%	97%
May 2025	Birth Size	19.6%	97%
Sep 2025	Birth Weight	40.8 kg	97%
May 2025	Birth Weight	40.8 kg	97%
Sep 2025	Gest	-3.87 days	99%
May 2025	Gest	-3.91 days	99%
Sep 2025	Mort	-0.25	99%
May 2025	Mort	-0.31	99%
Sep 2025	Maternal Calving Difficulty	5.16%	99%
May 2025	Maternal Calving Difficulty	5.14%	99%

8,055 total progeny records from 1,867 dairy contemporary groups

( 74,619 herdmate records from 1,854 dairy contemporary groups)

541 progeny ( 3,533 herdmates) born to heifers
2,233 progeny ( 21,644 herdmates) born to 2nd parity dam
5,281 progeny ( 49,442 herdmates) born to ≥3rd parity dam
49.1% progeny (50.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.0%, FR: 14.7%, JE: 2.1%, NR: 0.9%, OTHER: 1.8%	HO: 74.1%, FR: 15.7%, JE: 3.4%, NR: 1.2%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.7% 2.9%	6.8% 2.7% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1154 Days 2057 Days	763 Days 1145 Days 2158 Days

47 total progeny records from 14 contemporary groups

( 623 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 78.6%, FR: 13.7%, JE: 1.5%, NR: 1.0%, OTHER: 2.6%	HO: 76.7%, FR: 14.4%, JE: 1.3%, NR: 1.2%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	24% 21.6% 19.7%	20.8% 20.8% 21.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 41.1kg 41.2kg	41.2kg 41.2kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	775 Days 1134 Days 2001 Days	750 Days 1130 Days 2133 Days

130 total progeny records from 27 contemporary groups

( 1,911 herdmate records from 27 contemporary groups)