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 5.6% 2.1%	96% ( 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 5.6% 2.1%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	14.8%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.0%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.64 days	99%
May 2025	Gestation (Days between conception and birth)	-4.65 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.53	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.02%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.00%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.1%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.1%	96% 99%
Sep 2025	Birth Size	14.8%	96%
May 2025	Birth Size	15.0%	96%
Sep 2025	Birth Weight	40.0 kg	95%
May 2025	Birth Weight	40.1 kg	95%
Sep 2025	Gest	-4.64 days	99%
May 2025	Gest	-4.65 days	99%
Sep 2025	Mort	-0.48	99%
May 2025	Mort	-0.53	99%
Sep 2025	Maternal Calving Difficulty	5.02%	98%
May 2025	Maternal Calving Difficulty	5.00%	98%

2,350 total progeny records from 737 dairy contemporary groups

( 38,985 herdmate records from 733 dairy contemporary groups)

203 progeny ( 1,443 herdmates) born to heifers
527 progeny ( 9,415 herdmates) born to 2nd parity dam
1,620 progeny ( 28,127 herdmates) born to ≥3rd parity dam
47.1% progeny (51.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.5%, FR: 18.4%, JE: 3.3%, NR: 1.0%, OTHER: 2.0%	HO: 70.1%, FR: 19.2%, JE: 4.5%, NR: 1.1%, OTHER: 2.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.7%	6.2% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	772 Days 1143 Days 2193 Days	749 Days 1135 Days 2186 Days

88 total progeny records from 26 contemporary groups

( 1,652 herdmate records from 26 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.7%, FR: 23.3%, JE: 4.5%, NR: 2.3%, OTHER: 1.6%	HO: 64.9%, FR: 20.7%, JE: 6.7%, NR: 0.9%, OTHER: 2.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.3% 18.6% 19.4%	17.6% 17.3% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.3kg 40.6kg	40.7kg 40.6kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1177 Days 2225 Days	744 Days 1147 Days 2205 Days

88 total progeny records from 15 contemporary groups

( 1,113 herdmate records from 15 contemporary groups)