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 7.3% 2.7%	96% ( 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 7.3% 2.7%	95% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.8%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-5.29 days	99%
May 2025	Gestation (Days between conception and birth)	-5.30 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.07	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)	4.44%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.45%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 2.7%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 2.7%	95% 99%
Sep 2025	Birth Size	20.8%	98%
May 2025	Birth Size	20.8%	98%
Sep 2025	Birth Weight	41.7 kg	95%
May 2025	Birth Weight	41.8 kg	95%
Sep 2025	Gest	-5.29 days	99%
May 2025	Gest	-5.30 days	99%
Sep 2025	Mort	-0.07	99%
May 2025	Mort	-0.12	99%
Sep 2025	Maternal Calving Difficulty	4.44%	97%
May 2025	Maternal Calving Difficulty	4.45%	97%

3,248 total progeny records from 655 dairy contemporary groups

( 50,410 herdmate records from 653 dairy contemporary groups)

214 progeny ( 2,223 herdmates) born to heifers
832 progeny ( 12,213 herdmates) born to 2nd parity dam
2,202 progeny ( 35,974 herdmates) born to ≥3rd parity dam
53.5% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.4%, FR: 25.2%, JE: 2.9%, NR: 0.6%, OTHER: 1.4%	HO: 67.5%, FR: 25.2%, JE: 3.7%, NR: 0.7%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.5% 2.6%	6.4% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1104 Days 2082 Days	743 Days 1113 Days 2172 Days

277 total progeny records from 66 contemporary groups

( 4,484 herdmate records from 66 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.3%, FR: 24.1%, JE: 1.5%, NR: 1.0%, OTHER: 2.0%	HO: 69.1%, FR: 25.2%, JE: 1.9%, NR: 0.9%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 19% 19.5%	19.1% 19.1% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.3kg 41kg 41kg	40.8kg 41.1kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1111 Days 2093 Days	737 Days 1115 Days 2169 Days

115 total progeny records from 22 contemporary groups

( 1,724 herdmate records from 22 contemporary groups)