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	Moderate 7.5% 2.9%	95% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.9%	94% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-3.20 days	99%
May 2025	Gestation (Days between conception and birth)	-3.21 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.09	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.09	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.32%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.21%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.9%	95% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.9%	94% 99%
Sep 2025	Birth Size	23.0%	96%
May 2025	Birth Size	23.0%	96%
Sep 2025	Birth Weight	41.1 kg	95%
May 2025	Birth Weight	41.1 kg	95%
Sep 2025	Gest	-3.20 days	99%
May 2025	Gest	-3.21 days	99%
Sep 2025	Mort	-0.09	99%
May 2025	Mort	-0.09	99%
Sep 2025	Maternal Calving Difficulty	5.32%	91%
May 2025	Maternal Calving Difficulty	5.21%	91%

3,491 total progeny records from 902 dairy contemporary groups

( 71,815 herdmate records from 898 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.7%, FR: 22.3%, JE: 3.7%, NR: 0.4%, OTHER: 1.0%	HO: 69.6%, FR: 22.5%, JE: 4.3%, NR: 0.6%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.5%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1106 Days 2186 Days	741 Days 1115 Days 2184 Days

164 total progeny records from 52 contemporary groups

( 4,178 herdmate records from 52 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.9%, FR: 20.7%, JE: 2.9%, NR: 0.5%, OTHER: 1.5%	HO: 70.0%, FR: 22.3%, JE: 3.7%, NR: 0.8%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 19.3% 19.4%	19.1% 19.1% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 41.2kg 40.8kg	40.7kg 40.8kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1093 Days 2223 Days	745 Days 1112 Days 2162 Days

108 total progeny records from 31 contemporary groups

( 3,547 herdmate records from 31 contemporary groups)