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 6.7% 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 6.8% 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)	19.4%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.24 days	99%
May 2025	Gestation (Days between conception and birth)	-4.25 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)	-0.10	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.70%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.66%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.5%	98% 99%
Sep 2025	Birth Size	18.8%	97%
May 2025	Birth Size	19.4%	97%
Sep 2025	Birth Weight	39.8 kg	95%
May 2025	Birth Weight	39.9 kg	95%
Sep 2025	Gest	-4.24 days	99%
May 2025	Gest	-4.25 days	99%
Sep 2025	Mort	-0.07	99%
May 2025	Mort	-0.10	99%
Sep 2025	Maternal Calving Difficulty	4.70%	98%
May 2025	Maternal Calving Difficulty	4.66%	98%

4,024 total progeny records from 828 dairy contemporary groups

( 57,576 herdmate records from 824 dairy contemporary groups)

431 progeny ( 3,448 herdmates) born to heifers
955 progeny ( 13,911 herdmates) born to 2nd parity dam
2,638 progeny ( 40,217 herdmates) born to ≥3rd parity dam
43.4% progeny (48.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.0%, FR: 21.3%, JE: 6.1%, NR: 0.8%, OTHER: 1.2%	HO: 68.7%, FR: 21.7%, JE: 5.6%, NR: 0.7%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1107 Days 2090 Days	739 Days 1115 Days 2189 Days

156 total progeny records from 49 contemporary groups

( 2,830 herdmate records from 49 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.6%, FR: 22.6%, JE: 5.6%, NR: 1.1%, OTHER: 1.7%	HO: 69.4%, FR: 22.3%, JE: 3.7%, NR: 1.0%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.5% 19.4% 19.4%	18.9% 18.8% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.3kg 40.5kg	40.6kg 40.7kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1099 Days 2027 Days	740 Days 1111 Days 2224 Days

111 total progeny records from 34 contemporary groups

( 2,451 herdmate records from 34 contemporary groups)