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 6.3% 2.7%	85% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.7%	84% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.6%	88%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.3%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.7 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	38.8 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.57 days	98%
May 2025	Gestation (Days between conception and birth)	-4.60 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.17	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.05	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.45%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.33%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.7%	85% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.7%	84% 95%
Sep 2025	Birth Size	18.6%	88%
May 2025	Birth Size	18.3%	87%
Sep 2025	Birth Weight	38.7 kg	90%
May 2025	Birth Weight	38.8 kg	90%
Sep 2025	Gest	-4.57 days	98%
May 2025	Gest	-4.60 days	98%
Sep 2025	Mort	0.17	98%
May 2025	Mort	0.05	98%
Sep 2025	Maternal Calving Difficulty	5.45%	88%
May 2025	Maternal Calving Difficulty	5.33%	88%

388 total progeny records from 61 dairy contemporary groups

( 6,198 herdmate records from 61 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.0%, FR: 24.8%, JE: 10.8%, NR: 0.5%, OTHER: 0.7%	HO: 61.6%, FR: 27.2%, JE: 7.5%, NR: 0.7%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.4% 2.5%	5.9% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1099 Days 2029 Days	741 Days 1112 Days 2190 Days

25 total progeny records from 4 contemporary groups

( 342 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.5%, FR: 23.1%, JE: 9.1%, NR: 1.4%, OTHER: 1.1%	HO: 69.9%, FR: 22.5%, JE: 4.9%, NR: 0.3%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.5% 19.6%	0% 19.7% 20.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 39.6kg 40.2kg	0kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1112 Days 2067 Days	0 Days 1112 Days 2082 Days

30 total progeny records from 5 contemporary groups

( 599 herdmate records from 5 contemporary groups)