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 7.1% 2.8%	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 7.1% 2.9%	95% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	29.4%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	29.4%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.6 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-4.87 days	99%
May 2025	Gestation (Days between conception and birth)	-4.86 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.38%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.35%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	95% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.9%	95% 97%
Sep 2025	Birth Size	29.4%	93%
May 2025	Birth Size	29.4%	93%
Sep 2025	Birth Weight	42.6 kg	88%
May 2025	Birth Weight	42.4 kg	88%
Sep 2025	Gest	-4.87 days	99%
May 2025	Gest	-4.86 days	99%
Sep 2025	Mort	-0.56	99%
May 2025	Mort	-0.56	99%
Sep 2025	Maternal Calving Difficulty	4.38%	95%
May 2025	Maternal Calving Difficulty	4.35%	95%

1,456 total progeny records from 395 dairy contemporary groups

( 19,124 herdmate records from 393 dairy contemporary groups)

191 progeny ( 1,495 herdmates) born to heifers
365 progeny ( 4,775 herdmates) born to 2nd parity dam
900 progeny ( 12,854 herdmates) born to ≥3rd parity dam
37.2% progeny (43.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 87.2%, FR: 11.0%, JE: 0.5%, NR: 0.1%, OTHER: 0.5%	HO: 84.7%, FR: 12.5%, JE: 0.8%, NR: 0.3%, OTHER: 0.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.7% 2.7%	6.6% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	779 Days 1150 Days 2140 Days	770 Days 1155 Days 2183 Days

54 total progeny records from 15 contemporary groups

( 1,410 herdmate records from 15 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.2%, FR: 23.3%, JE: 0.9%, NR: 0.0%, OTHER: 0.3%	HO: 72.5%, FR: 24.0%, JE: 0.8%, NR: 0.1%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 20.4% 19.6%	20.9% 20.2% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.9kg 41kg	0kg 41.2kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	859 Days 1099 Days 2099 Days	741 Days 1127 Days 2112 Days

23 total progeny records from 4 contemporary groups

( 287 herdmate records from 4 contemporary groups)