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	Moderate 7.8% 2.6%	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	Moderate 7.9% 2.6%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	99%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.6%	99%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-4.62 days	99%
May 2025	Gestation (Days between conception and birth)	-4.69 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.04	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)	5.83%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.80%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 2.6%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 2.6%	99% 99%
Sep 2025	Birth Size	19.4%	99%
May 2025	Birth Size	19.6%	99%
Sep 2025	Birth Weight	41.2 kg	99%
May 2025	Birth Weight	41.3 kg	99%
Sep 2025	Gest	-4.62 days	99%
May 2025	Gest	-4.69 days	99%
Sep 2025	Mort	-0.04	99%
May 2025	Mort	-0.09	99%
Sep 2025	Maternal Calving Difficulty	5.83%	99%
May 2025	Maternal Calving Difficulty	5.80%	99%

18,916 total progeny records from 3,850 dairy contemporary groups

( 237,258 herdmate records from 3,828 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.7%, FR: 21.6%, JE: 4.9%, NR: 0.9%, OTHER: 1.5%	HO: 67.7%, FR: 21.8%, JE: 5.6%, NR: 1.0%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.7%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	746 Days 1118 Days 2143 Days	746 Days 1124 Days 2159 Days

721 total progeny records from 192 contemporary groups

( 12,539 herdmate records from 192 contemporary groups)

90 progeny ( 2,820 herdmates) born to heifers
155 progeny ( 2,508 herdmates) born to 2nd parity dam
476 progeny ( 7,211 herdmates) born to ≥3rd parity dam
47.2% progeny (49.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.7%, FR: 22.7%, JE: 4.8%, NR: 0.9%, OTHER: 1.4%	HO: 66.3%, FR: 22.6%, JE: 5.0%, NR: 1.2%, OTHER: 1.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18% 18.3% 19.6%	18.5% 18.7% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.5kg 40.8kg	40.6kg 40.7kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1120 Days 2166 Days	746 Days 1131 Days 2171 Days

450 total progeny records from 85 contemporary groups

( 6,656 herdmate records from 85 contemporary groups)

28 progeny ( 1,363 herdmates) born to heifers
103 progeny ( 1,332 herdmates) born to 2nd parity dam
319 progeny ( 3,961 herdmates) born to ≥3rd parity dam
50.7% progeny (49.6% herdmates) were males
Dam Info