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 6.0% 2.5%	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 6.0% 2.5%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-3.55 days	99%
May 2025	Gestation (Days between conception and birth)	-3.56 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.20	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.21	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.83%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.90%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.5%	98% 99%
Sep 2025	Birth Size	18.8%	97%
May 2025	Birth Size	19.0%	97%
Sep 2025	Birth Weight	40.9 kg	95%
May 2025	Birth Weight	41.0 kg	95%
Sep 2025	Gest	-3.55 days	99%
May 2025	Gest	-3.56 days	99%
Sep 2025	Mort	-0.20	99%
May 2025	Mort	-0.21	99%
Sep 2025	Maternal Calving Difficulty	3.83%	97%
May 2025	Maternal Calving Difficulty	3.90%	97%

4,278 total progeny records from 1,078 dairy contemporary groups

( 55,032 herdmate records from 1,071 dairy contemporary groups)

600 progeny ( 3,632 herdmates) born to heifers
1,000 progeny ( 13,357 herdmates) born to 2nd parity dam
2,678 progeny ( 38,043 herdmates) born to ≥3rd parity dam
49.4% progeny (48.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 80.7%, FR: 15.1%, JE: 1.9%, NR: 0.2%, OTHER: 0.7%	HO: 78.0%, FR: 16.8%, JE: 2.3%, NR: 0.4%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.7%	6.5% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	764 Days 1146 Days 2164 Days	763 Days 1140 Days 2189 Days

216 total progeny records from 58 contemporary groups

( 4,119 herdmate records from 58 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 78.9%, FR: 17.2%, JE: 1.7%, NR: 0.2%, OTHER: 1.1%	HO: 72.3%, FR: 22.8%, JE: 2.1%, NR: 0.2%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 18.9% 19.5%	19.3% 19.6% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 40.7kg 41.4kg	40.8kg 40.9kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	762 Days 1119 Days 2177 Days	761 Days 1132 Days 2200 Days

117 total progeny records from 32 contemporary groups

( 2,424 herdmate records from 32 contemporary groups)