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 7.4% 2.8%	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 7.5% 2.8%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.35 days	99%
May 2025	Gestation (Days between conception and birth)	-4.38 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.51	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.95%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.88%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.8%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.5% 2.8%	98% 99%
Sep 2025	Birth Size	20.6%	97%
May 2025	Birth Size	20.6%	97%
Sep 2025	Birth Weight	41.6 kg	96%
May 2025	Birth Weight	41.7 kg	96%
Sep 2025	Gest	-4.35 days	99%
May 2025	Gest	-4.38 days	99%
Sep 2025	Mort	-0.45	99%
May 2025	Mort	-0.51	99%
Sep 2025	Maternal Calving Difficulty	4.95%	98%
May 2025	Maternal Calving Difficulty	4.88%	98%

2,668 total progeny records from 794 dairy contemporary groups

( 38,900 herdmate records from 789 dairy contemporary groups)

337 progeny ( 1,807 herdmates) born to heifers
693 progeny ( 10,896 herdmates) born to 2nd parity dam
1,638 progeny ( 26,197 herdmates) born to ≥3rd parity dam
51.6% progeny (51.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.5%, FR: 16.1%, JE: 3.6%, NR: 0.7%, OTHER: 1.0%	HO: 73.4%, FR: 17.6%, JE: 4.4%, NR: 0.8%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.6% 2.7%	6.5% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	762 Days 1134 Days 2072 Days	753 Days 1137 Days 2124 Days

133 total progeny records from 32 contemporary groups

( 1,715 herdmate records from 32 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 79.0%, FR: 14.9%, JE: 1.8%, NR: 1.4%, OTHER: 1.1%	HO: 72.9%, FR: 18.7%, JE: 3.6%, NR: 1.5%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21% 19.2% 20.2%	18.9% 19.8% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 40.9kg 41.3kg	41.3kg 41.2kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	716 Days 1131 Days 2133 Days	749 Days 1129 Days 2155 Days

103 total progeny records from 25 contemporary groups

( 1,650 herdmate records from 25 contemporary groups)