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% 2.5%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	97% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.2%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-2.22 days	99%
May 2025	Gestation (Days between conception and birth)	-2.18 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.06	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.05	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.27%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.07%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	97% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	97% 98%
Sep 2025	Birth Size	18.5%	95%
May 2025	Birth Size	18.2%	95%
Sep 2025	Birth Weight	40.3 kg	95%
May 2025	Birth Weight	40.5 kg	95%
Sep 2025	Gest	-2.22 days	99%
May 2025	Gest	-2.18 days	99%
Sep 2025	Mort	-0.06	99%
May 2025	Mort	-0.05	99%
Sep 2025	Maternal Calving Difficulty	5.27%	95%
May 2025	Maternal Calving Difficulty	5.07%	95%

2,140 total progeny records from 414 dairy contemporary groups

( 18,544 herdmate records from 406 dairy contemporary groups)

527 progeny ( 2,308 herdmates) born to heifers
404 progeny ( 4,399 herdmates) born to 2nd parity dam
1,209 progeny ( 11,837 herdmates) born to ≥3rd parity dam
40% progeny (45.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 84.3%, FR: 12.1%, JE: 0.7%, NR: 0.1%, OTHER: 1.0%	HO: 81.9%, FR: 13.1%, JE: 0.9%, NR: 0.3%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.9% 2.8%	6.9% 2.8% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	760 Days 1134 Days 2197 Days	761 Days 1142 Days 2186 Days

104 total progeny records from 22 contemporary groups

( 1,552 herdmate records from 22 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 84.4%, FR: 13.3%, JE: 0.3%, NR: 0.0%, OTHER: 0.4%	HO: 80.2%, FR: 12.2%, JE: 0.5%, NR: 0.3%, OTHER: 3.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.2% 20.2% 19.6%	21.1% 20.6% 20.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.2kg 41.8kg 41.1kg	41.5kg 41.6kg 41.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	768 Days 1097 Days 2065 Days	762 Days 1127 Days 2149 Days

120 total progeny records from 14 contemporary groups

( 1,231 herdmate records from 14 contemporary groups)