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%	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 6.6% 2.5%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.3%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.33 days	99%
May 2025	Gestation (Days between conception and birth)	-4.30 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.17	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)	4.56%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.52%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.6% 2.5%	98% 99%
Sep 2025	Birth Size	21.7%	97%
May 2025	Birth Size	21.3%	97%
Sep 2025	Birth Weight	41.2 kg	97%
May 2025	Birth Weight	41.2 kg	97%
Sep 2025	Gest	-4.33 days	99%
May 2025	Gest	-4.30 days	99%
Sep 2025	Mort	0.17	99%
May 2025	Mort	0.24	99%
Sep 2025	Maternal Calving Difficulty	4.56%	89%
May 2025	Maternal Calving Difficulty	4.52%	89%

6,372 total progeny records from 1,446 dairy contemporary groups

( 109,401 herdmate records from 1,443 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.1%, FR: 21.9%, JE: 4.5%, NR: 0.5%, OTHER: 1.1%	HO: 68.8%, FR: 21.2%, JE: 6.5%, NR: 0.7%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1112 Days 2150 Days	742 Days 1115 Days 2184 Days

329 total progeny records from 97 contemporary groups

( 6,499 herdmate records from 97 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.8%, FR: 22.9%, JE: 3.2%, NR: 0.6%, OTHER: 1.6%	HO: 68.4%, FR: 21.9%, JE: 5.7%, NR: 0.6%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.1% 19.6% 19%	18.4% 19.2% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 40.8kg 40.9kg	40.1kg 40.5kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1127 Days 2163 Days	752 Days 1119 Days 2185 Days

189 total progeny records from 43 contemporary groups

( 4,782 herdmate records from 43 contemporary groups)