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 5.5% 2.4%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	95% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	11.9%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	12.1%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.5 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	38.5 kg	87%
Sep 2025	Gestation (Days between conception and birth)	-4.51 days	99%
May 2025	Gestation (Days between conception and birth)	-4.52 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.17	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.24	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.29%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	95% 97%
Sep 2025	Birth Size	11.9%	91%
May 2025	Birth Size	12.1%	91%
Sep 2025	Birth Weight	38.5 kg	87%
May 2025	Birth Weight	38.5 kg	87%
Sep 2025	Gest	-4.51 days	99%
May 2025	Gest	-4.52 days	99%
Sep 2025	Mort	-0.17	99%
May 2025	Mort	-0.24	99%
Sep 2025	Maternal Calving Difficulty	4.39%	92%
May 2025	Maternal Calving Difficulty	4.29%	92%

1,149 total progeny records from 228 dairy contemporary groups

( 25,343 herdmate records from 227 dairy contemporary groups)

222 progeny ( 2,508 herdmates) born to heifers
295 progeny ( 5,505 herdmates) born to 2nd parity dam
632 progeny ( 17,330 herdmates) born to ≥3rd parity dam
46.6% progeny (48.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 58.1%, FR: 19.7%, JE: 19.0%, NR: 0.7%, OTHER: 1.0%	HO: 56.3%, FR: 19.0%, JE: 20.7%, NR: 1.2%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.4% 2.4%	5.7% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1099 Days 2100 Days	730 Days 1107 Days 2179 Days

49 total progeny records from 11 contemporary groups

( 1,152 herdmate records from 11 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.7%, FR: 20.6%, JE: 7.4%, NR: 0.8%, OTHER: 1.2%	HO: 64.2%, FR: 19.6%, JE: 13.1%, NR: 0.7%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17% 18.4% 18.9%	17.9% 18.3% 18.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.2kg 40.8kg 40.7kg	40.3kg 39.6kg 40.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1112 Days 2110 Days	750 Days 1112 Days 2125 Days

19 total progeny records from 6 contemporary groups

( 881 herdmate records from 6 contemporary groups)