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 7.0% 2.6%	98% ( 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 7.1% 2.6%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.4%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.66 days	99%
May 2025	Gestation (Days between conception and birth)	-3.68 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.15	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.19	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.87%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.85%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.6%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.6%	98% 99%
Sep 2025	Birth Size	22.4%	97%
May 2025	Birth Size	22.8%	97%
Sep 2025	Birth Weight	41.2 kg	96%
May 2025	Birth Weight	41.3 kg	96%
Sep 2025	Gest	-3.66 days	99%
May 2025	Gest	-3.68 days	99%
Sep 2025	Mort	-0.15	99%
May 2025	Mort	-0.19	99%
Sep 2025	Maternal Calving Difficulty	4.87%	99%
May 2025	Maternal Calving Difficulty	4.85%	99%

5,022 total progeny records from 1,107 dairy contemporary groups

( 65,535 herdmate records from 1,099 dairy contemporary groups)

165 progeny ( 2,117 herdmates) born to heifers
1,258 progeny ( 17,313 herdmates) born to 2nd parity dam
3,599 progeny ( 46,105 herdmates) born to ≥3rd parity dam
51.5% progeny (50.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.4%, FR: 20.9%, JE: 4.6%, NR: 0.8%, OTHER: 1.4%	HO: 68.2%, FR: 21.6%, JE: 5.3%, NR: 0.7%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.7% 2.7%	6.5% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	771 Days 1125 Days 2185 Days	749 Days 1128 Days 2144 Days

154 total progeny records from 37 contemporary groups

( 2,379 herdmate records from 37 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.5%, FR: 23.2%, JE: 6.2%, NR: 0.5%, OTHER: 1.5%	HO: 67.5%, FR: 23.5%, JE: 4.5%, NR: 0.9%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.1% 19.4% 18.7%	19% 18.7% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.7kg 41kg 40.9kg	40.9kg 40.8kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	773 Days 1129 Days 2160 Days	742 Days 1123 Days 2157 Days

130 total progeny records from 40 contemporary groups

( 2,854 herdmate records from 40 contemporary groups)