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 6.7% 2.5%	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 6.7% 2.5%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.6%	99%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	99%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-3.55 days	99%
May 2025	Gestation (Days between conception and birth)	-3.60 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.60	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.65	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.99%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.98%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.5%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.5%	99% 99%
Sep 2025	Birth Size	18.6%	99%
May 2025	Birth Size	18.5%	99%
Sep 2025	Birth Weight	41.5 kg	99%
May 2025	Birth Weight	41.6 kg	99%
Sep 2025	Gest	-3.55 days	99%
May 2025	Gest	-3.60 days	99%
Sep 2025	Mort	-0.60	99%
May 2025	Mort	-0.65	99%
Sep 2025	Maternal Calving Difficulty	4.99%	99%
May 2025	Maternal Calving Difficulty	4.98%	99%

13,877 total progeny records from 2,837 dairy contemporary groups

( 150,787 herdmate records from 2,817 dairy contemporary groups)

387 progeny ( 4,450 herdmates) born to heifers
3,635 progeny ( 41,714 herdmates) born to 2nd parity dam
9,855 progeny ( 104,623 herdmates) born to ≥3rd parity dam
51% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.6%, FR: 20.1%, JE: 3.8%, NR: 1.0%, OTHER: 1.6%	HO: 69.6%, FR: 20.2%, JE: 4.6%, NR: 1.0%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.7% 2.8%	6.6% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	785 Days 1140 Days 2131 Days	757 Days 1134 Days 2138 Days

273 total progeny records from 65 contemporary groups

( 3,700 herdmate records from 65 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.2%, FR: 18.6%, JE: 3.3%, NR: 1.2%, OTHER: 1.3%	HO: 70.6%, FR: 18.5%, JE: 5.0%, NR: 1.2%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.4% 19.2% 20.3%	19.5% 20% 20.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 41.1kg 41.3kg	40.7kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	774 Days 1148 Days 2138 Days	754 Days 1128 Days 2118 Days

388 total progeny records from 70 contemporary groups

( 4,769 herdmate records from 70 contemporary groups)