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 6.2% 2.4%	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 6.2% 2.4%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.4%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.6%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-2.50 days	99%
May 2025	Gestation (Days between conception and birth)	-2.52 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.33	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.39	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.68%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.62%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.4%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.4%	99% 99%
Sep 2025	Birth Size	15.4%	96%
May 2025	Birth Size	15.6%	96%
Sep 2025	Birth Weight	39.6 kg	95%
May 2025	Birth Weight	39.6 kg	95%
Sep 2025	Gest	-2.50 days	99%
May 2025	Gest	-2.52 days	99%
Sep 2025	Mort	-0.33	99%
May 2025	Mort	-0.39	99%
Sep 2025	Maternal Calving Difficulty	5.68%	99%
May 2025	Maternal Calving Difficulty	5.62%	98%

2,796 total progeny records from 755 dairy contemporary groups

( 20,671 herdmate records from 738 dairy contemporary groups)

830 progeny ( 2,762 herdmates) born to heifers
702 progeny ( 4,694 herdmates) born to 2nd parity dam
1,264 progeny ( 13,215 herdmates) born to ≥3rd parity dam
50.4% progeny (50.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 41.7%, FR: 51.2%, JE: 0.7%, NR: 0.1%, OTHER: 1.1%	HO: 41.7%, FR: 49.8%, JE: 1.0%, NR: 0.4%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.2% 3% 3%	7.5% 2.9% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	811 Days 1160 Days 2202 Days	795 Days 1170 Days 2265 Days

6 total progeny records from 5 contemporary groups

( 178 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 48.2%, FR: 42.7%, JE: 4.3%, NR: 0.0%, OTHER: 1.1%	HO: 50.2%, FR: 39.8%, JE: 4.5%, NR: 0.2%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18% 19.5% 17.9%	19.4% 20.6% 21%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.8kg 41.4kg 41.1kg	41.4kg 41.6kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	790 Days 1197 Days 2294 Days	777 Days 1142 Days 2181 Days

57 total progeny records from 10 contemporary groups

( 644 herdmate records from 10 contemporary groups)