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 5.0% 2.0%	99% ( 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 5.0% 2.0%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	12.0%	99%
May 2025	Birth Size (Progeny expected to be born large or extra large)	12.1%	99%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-5.65 days	99%
May 2025	Gestation (Days between conception and birth)	-5.72 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.42	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.46	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.89%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.86%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.0%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.0% 2.0%	99% 99%
Sep 2025	Birth Size	12.0%	99%
May 2025	Birth Size	12.1%	99%
Sep 2025	Birth Weight	39.8 kg	99%
May 2025	Birth Weight	39.8 kg	99%
Sep 2025	Gest	-5.65 days	99%
May 2025	Gest	-5.72 days	99%
Sep 2025	Mort	-0.42	99%
May 2025	Mort	-0.46	99%
Sep 2025	Maternal Calving Difficulty	5.89%	99%
May 2025	Maternal Calving Difficulty	5.86%	99%

21,764 total progeny records from 5,191 dairy contemporary groups

( 208,993 herdmate records from 5,121 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.4%, FR: 19.5%, JE: 4.2%, NR: 0.7%, OTHER: 1.2%	HO: 71.7%, FR: 19.0%, JE: 4.3%, NR: 0.9%, OTHER: 1.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.7% 2.8%	6.5% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1123 Days 2082 Days	751 Days 1129 Days 2133 Days

625 total progeny records from 175 contemporary groups

( 9,614 herdmate records from 175 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.7%, FR: 18.8%, JE: 2.6%, NR: 0.9%, OTHER: 1.1%	HO: 73.2%, FR: 18.8%, JE: 2.5%, NR: 1.4%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.4% 20.2% 20.8%	19.2% 19.6% 20.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41.1kg 41.4kg	41kg 41.1kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1112 Days 2066 Days	752 Days 1128 Days 2153 Days

427 total progeny records from 87 contemporary groups

( 6,861 herdmate records from 87 contemporary groups)

255 progeny ( 1,323 herdmates) born to heifers
62 progeny ( 1,377 herdmates) born to 2nd parity dam
110 progeny ( 4,161 herdmates) born to ≥3rd parity dam
48.9% progeny (50.3% herdmates) were males
Dam Info