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 7.2% 2.7%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.7%	94% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-4.36 days	99%
May 2025	Gestation (Days between conception and birth)	-4.35 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.19	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.21	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.43%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.2% 2.7%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.0% 2.7%	94% 98%
Sep 2025	Birth Size	18.1%	95%
May 2025	Birth Size	18.1%	95%
Sep 2025	Birth Weight	40.7 kg	93%
May 2025	Birth Weight	40.6 kg	93%
Sep 2025	Gest	-4.36 days	99%
May 2025	Gest	-4.35 days	99%
Sep 2025	Mort	-0.19	99%
May 2025	Mort	-0.21	99%
Sep 2025	Maternal Calving Difficulty	4.43%	88%
May 2025	Maternal Calving Difficulty	4.39%	87%

2,355 total progeny records from 570 dairy contemporary groups

( 45,038 herdmate records from 569 dairy contemporary groups)

282 progeny ( 2,568 herdmates) born to heifers
653 progeny ( 10,699 herdmates) born to 2nd parity dam
1,420 progeny ( 31,771 herdmates) born to ≥3rd parity dam
27.7% progeny (46.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.9%, FR: 21.6%, JE: 4.8%, NR: 0.4%, OTHER: 0.9%	HO: 69.8%, FR: 21.6%, JE: 5.4%, NR: 0.6%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.5%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	746 Days 1109 Days 2039 Days	751 Days 1114 Days 2185 Days

126 total progeny records from 41 contemporary groups

( 2,836 herdmate records from 41 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.6%, FR: 22.2%, JE: 7.0%, NR: 0.4%, OTHER: 0.6%	HO: 69.3%, FR: 22.0%, JE: 5.0%, NR: 0.4%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.5% 18.4% 18.1%	18.2% 19.1% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.9kg 39.8kg 40.3kg	40.6kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1092 Days 1986 Days	758 Days 1119 Days 2178 Days

76 total progeny records from 20 contemporary groups

( 2,226 herdmate records from 20 contemporary groups)