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% 3.1%	97% ( 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 7.8% 3.1%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	25.3%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	25.4%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.46 days	99%
May 2025	Gestation (Days between conception and birth)	-3.46 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.80	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.72	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.57%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.54%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.1%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.1%	97% 99%
Sep 2025	Birth Size	25.3%	97%
May 2025	Birth Size	25.4%	97%
Sep 2025	Birth Weight	41.2 kg	96%
May 2025	Birth Weight	41.4 kg	96%
Sep 2025	Gest	-3.46 days	99%
May 2025	Gest	-3.46 days	99%
Sep 2025	Mort	-0.80	99%
May 2025	Mort	-0.72	99%
Sep 2025	Maternal Calving Difficulty	4.57%	89%
May 2025	Maternal Calving Difficulty	4.54%	89%

4,630 total progeny records from 979 dairy contemporary groups

( 74,120 herdmate records from 978 dairy contemporary groups)

724 progeny ( 6,324 herdmates) born to heifers
1,285 progeny ( 17,251 herdmates) born to 2nd parity dam
2,621 progeny ( 50,545 herdmates) born to ≥3rd parity dam
37.6% progeny (45.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.2%, FR: 23.8%, JE: 4.7%, NR: 1.0%, OTHER: 1.1%	HO: 67.9%, FR: 23.2%, JE: 5.4%, NR: 0.8%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1109 Days 2067 Days	740 Days 1115 Days 2186 Days

341 total progeny records from 83 contemporary groups

( 6,886 herdmate records from 83 contemporary groups)

62 progeny ( 1,396 herdmates) born to heifers
90 progeny ( 1,302 herdmates) born to 2nd parity dam
189 progeny ( 4,188 herdmates) born to ≥3rd parity dam
39.6% progeny (45.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.0%, FR: 22.4%, JE: 3.3%, NR: 0.6%, OTHER: 0.7%	HO: 70.1%, FR: 21.8%, JE: 4.5%, NR: 0.8%, OTHER: 1.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.7% 18% 19.2%	18.3% 18.5% 18.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 41kg 40.9kg	40.6kg 40.9kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1106 Days 1924 Days	743 Days 1113 Days 2164 Days

155 total progeny records from 37 contemporary groups

( 4,109 herdmate records from 37 contemporary groups)