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 5.7% 2.3%	90% ( 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 5.7% 2.3%	90% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.5%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.4%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-4.21 days	99%
May 2025	Gestation (Days between conception and birth)	-4.18 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.44	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.43	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.07%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.01%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.3%	90% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.7% 2.3%	90% 96%
Sep 2025	Birth Size	16.5%	94%
May 2025	Birth Size	16.4%	94%
Sep 2025	Birth Weight	40.6 kg	91%
May 2025	Birth Weight	40.8 kg	91%
Sep 2025	Gest	-4.21 days	99%
May 2025	Gest	-4.18 days	99%
Sep 2025	Mort	-0.44	99%
May 2025	Mort	-0.43	99%
Sep 2025	Maternal Calving Difficulty	4.07%	88%
May 2025	Maternal Calving Difficulty	4.01%	87%

971 total progeny records from 195 dairy contemporary groups

( 14,821 herdmate records from 195 dairy contemporary groups)

132 progeny ( 1,165 herdmates) born to heifers
246 progeny ( 3,576 herdmates) born to 2nd parity dam
593 progeny ( 10,080 herdmates) born to ≥3rd parity dam
49.7% progeny (49.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.9%, FR: 26.6%, JE: 3.0%, NR: 0.7%, OTHER: 1.3%	HO: 67.3%, FR: 25.8%, JE: 2.8%, NR: 0.7%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.6% 2.6%	6.2% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1104 Days 2138 Days	736 Days 1116 Days 2172 Days

77 total progeny records from 19 contemporary groups

( 1,234 herdmate records from 19 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 57.9%, FR: 33.5%, JE: 3.1%, NR: 1.5%, OTHER: 2.1%	HO: 63.8%, FR: 28.9%, JE: 2.9%, NR: 0.6%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 19.1% 19.3%	18.4% 18.6% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.2kg 40.7kg 40.8kg	40.8kg 41.1kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1098 Days 2249 Days	744 Days 1112 Days 2182 Days

32 total progeny records from 8 contemporary groups

( 674 herdmate records from 8 contemporary groups)