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 5.1% 2.5%	96% ( 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 5.2% 2.5%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.0%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-5.37 days	99%
May 2025	Gestation (Days between conception and birth)	-5.36 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.42	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.44	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.87%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	95%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.5%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.5%	96% 98%
Sep 2025	Birth Size	16.7%	97%
May 2025	Birth Size	16.0%	97%
Sep 2025	Birth Weight	39.8 kg	95%
May 2025	Birth Weight	40.3 kg	95%
Sep 2025	Gest	-5.37 days	99%
May 2025	Gest	-5.36 days	99%
Sep 2025	Mort	-0.42	99%
May 2025	Mort	-0.44	99%
Sep 2025	Maternal Calving Difficulty	4.87%	95%
May 2025	Maternal Calving Difficulty	4.77%	95%

2,268 total progeny records from 670 dairy contemporary groups

( 42,695 herdmate records from 666 dairy contemporary groups)

330 progeny ( 3,444 herdmates) born to heifers
504 progeny ( 9,968 herdmates) born to 2nd parity dam
1,434 progeny ( 29,283 herdmates) born to ≥3rd parity dam
48.9% progeny (50.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.6%, FR: 20.9%, JE: 3.5%, NR: 0.7%, OTHER: 0.8%	HO: 71.9%, FR: 20.9%, JE: 3.6%, NR: 0.7%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	744 Days 1124 Days 2179 Days	746 Days 1122 Days 2194 Days

190 total progeny records from 64 contemporary groups

( 4,360 herdmate records from 64 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.3%, FR: 20.6%, JE: 3.1%, NR: 1.0%, OTHER: 0.5%	HO: 73.7%, FR: 20.6%, JE: 2.2%, NR: 0.6%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.5% 18.6% 19.4%	19% 19.1% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.1kg 40.8kg	40.8kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1106 Days 2155 Days	741 Days 1119 Days 2182 Days

127 total progeny records from 24 contemporary groups

( 2,564 herdmate records from 24 contemporary groups)