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 6.4% 2.7%	85% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.7%	85% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-4.44 days	99%
May 2025	Gestation (Days between conception and birth)	-4.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.10	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.11	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.80%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.82%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.7%	85% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.7%	85% 95%
Sep 2025	Birth Size	19.1%	92%
May 2025	Birth Size	18.8%	92%
Sep 2025	Birth Weight	41.1 kg	88%
May 2025	Birth Weight	41.2 kg	88%
Sep 2025	Gest	-4.44 days	99%
May 2025	Gest	-4.43 days	99%
Sep 2025	Mort	-0.10	99%
May 2025	Mort	-0.11	99%
Sep 2025	Maternal Calving Difficulty	4.80%	89%
May 2025	Maternal Calving Difficulty	4.82%	89%

632 total progeny records from 189 dairy contemporary groups

( 16,687 herdmate records from 188 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.9%, FR: 21.0%, JE: 3.9%, NR: 0.5%, OTHER: 1.1%	HO: 70.7%, FR: 20.6%, JE: 4.8%, NR: 0.7%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.7% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	759 Days 1108 Days 2150 Days	740 Days 1115 Days 2203 Days

53 total progeny records from 16 contemporary groups

( 1,198 herdmate records from 16 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.3%, FR: 19.7%, JE: 2.6%, NR: 0.7%, OTHER: 0.9%	HO: 71.3%, FR: 22.5%, JE: 3.1%, NR: 1.2%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.3% 18.1%	0% 18.4% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 39.9kg 41.1kg	40.9kg 40.8kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1092 Days 2017 Days	743 Days 1113 Days 2186 Days

20 total progeny records from 6 contemporary groups

( 800 herdmate records from 6 contemporary groups)