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 7.4% 2.8%	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	Low 7.4% 2.8%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.9%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.42 days	99%
May 2025	Gestation (Days between conception and birth)	-3.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.10	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.12	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.41%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.47%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.8%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.8%	97% 99%
Sep 2025	Birth Size	23.0%	97%
May 2025	Birth Size	22.9%	97%
Sep 2025	Birth Weight	41.5 kg	96%
May 2025	Birth Weight	41.6 kg	96%
Sep 2025	Gest	-3.42 days	99%
May 2025	Gest	-3.43 days	99%
Sep 2025	Mort	-0.10	99%
May 2025	Mort	-0.12	99%
Sep 2025	Maternal Calving Difficulty	5.41%	97%
May 2025	Maternal Calving Difficulty	5.47%	97%

2,836 total progeny records from 599 dairy contemporary groups

( 36,688 herdmate records from 596 dairy contemporary groups)

339 progeny ( 2,410 herdmates) born to heifers
715 progeny ( 8,993 herdmates) born to 2nd parity dam
1,782 progeny ( 25,285 herdmates) born to ≥3rd parity dam
52% progeny (51.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.1%, FR: 25.7%, JE: 3.0%, NR: 0.9%, OTHER: 1.4%	HO: 67.9%, FR: 23.9%, JE: 4.2%, NR: 0.9%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1125 Days 2178 Days	738 Days 1123 Days 2169 Days

162 total progeny records from 46 contemporary groups

( 3,058 herdmate records from 46 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.4%, FR: 28.2%, JE: 3.2%, NR: 1.3%, OTHER: 1.0%	HO: 67.0%, FR: 24.0%, JE: 4.7%, NR: 1.2%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.8% 19.5% 19.5%	18.7% 18.9% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 41kg 40.8kg	40.4kg 40.5kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1104 Days 2158 Days	736 Days 1112 Days 2175 Days

155 total progeny records from 20 contemporary groups

( 2,099 herdmate records from 20 contemporary groups)