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 4.9% 1.9%	93% ( 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 4.9% 1.9%	93% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	12.5%	86%
May 2025	Birth Size (Progeny expected to be born large or extra large)	12.1%	86%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-5.25 days	99%
May 2025	Gestation (Days between conception and birth)	-5.24 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-1.11	99%
May 2025	Mortality (Calves dead at or soon after birth)	-1.18	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.98%	90%
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 4.9% 1.9%	93% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.9% 1.9%	93% 95%
Sep 2025	Birth Size	12.5%	86%
May 2025	Birth Size	12.1%	86%
Sep 2025	Birth Weight	39.5 kg	89%
May 2025	Birth Weight	39.5 kg	89%
Sep 2025	Gest	-5.25 days	99%
May 2025	Gest	-5.24 days	99%
Sep 2025	Mort	-1.11	99%
May 2025	Mort	-1.18	99%
Sep 2025	Maternal Calving Difficulty	4.98%	90%
May 2025	Maternal Calving Difficulty	4.82%	89%

744 total progeny records from 143 dairy contemporary groups

( 14,162 herdmate records from 143 dairy contemporary groups)

108 progeny ( 1,099 herdmates) born to heifers
185 progeny ( 3,229 herdmates) born to 2nd parity dam
451 progeny ( 9,834 herdmates) born to ≥3rd parity dam
49.5% progeny (50.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.3%, FR: 25.6%, JE: 3.9%, NR: 0.5%, OTHER: 1.2%	HO: 63.5%, FR: 26.0%, JE: 7.2%, NR: 0.8%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.6%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1109 Days 2108 Days	734 Days 1112 Days 2207 Days

22 total progeny records from 9 contemporary groups

( 970 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.4%, FR: 21.7%, JE: 7.0%, NR: 0.0%, OTHER: 0.5%	HO: 63.6%, FR: 21.0%, JE: 12.5%, NR: 0.8%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 16.4% 18%	16.5% 16.4% 16.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 41.1kg 40.4kg	40.8kg 40.9kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	718 Days 1094 Days 2445 Days	736 Days 1120 Days 2231 Days

25 total progeny records from 4 contemporary groups

( 423 herdmate records from 4 contemporary groups)