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% 2.7%	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 7.4% 2.7%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.6%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.8%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-2.85 days	99%
May 2025	Gestation (Days between conception and birth)	-2.87 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.22	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.24	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.26%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.22%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.7%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.7%	98% 99%
Sep 2025	Birth Size	19.6%	97%
May 2025	Birth Size	19.8%	97%
Sep 2025	Birth Weight	41.1 kg	97%
May 2025	Birth Weight	41.2 kg	97%
Sep 2025	Gest	-2.85 days	99%
May 2025	Gest	-2.87 days	99%
Sep 2025	Mort	-0.22	99%
May 2025	Mort	-0.24	99%
Sep 2025	Maternal Calving Difficulty	4.26%	98%
May 2025	Maternal Calving Difficulty	4.22%	98%

5,412 total progeny records from 1,416 dairy contemporary groups

( 96,325 herdmate records from 1,411 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.7%, FR: 20.9%, JE: 4.1%, NR: 0.5%, OTHER: 1.0%	HO: 70.3%, FR: 21.1%, JE: 4.6%, NR: 0.7%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.2% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1122 Days 2109 Days	740 Days 1123 Days 2197 Days

413 total progeny records from 113 contemporary groups

( 7,538 herdmate records from 113 contemporary groups)

60 progeny ( 1,360 herdmates) born to heifers
119 progeny ( 1,477 herdmates) born to 2nd parity dam
234 progeny ( 4,701 herdmates) born to ≥3rd parity dam
42.9% progeny (48.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.2%, FR: 21.2%, JE: 2.7%, NR: 0.5%, OTHER: 1.0%	HO: 72.1%, FR: 21.0%, JE: 3.0%, NR: 0.8%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.4% 18.9% 19%	19% 18.9% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.9kg 40.8kg	40.9kg 40.8kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1115 Days 2141 Days	741 Days 1115 Days 2198 Days

176 total progeny records from 37 contemporary groups

( 4,303 herdmate records from 37 contemporary groups)