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 5.4% 2.4%	89% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.5%	88% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.0%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.8%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-5.76 days	99%
May 2025	Gestation (Days between conception and birth)	-5.76 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.51%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.50%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	89% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.5%	88% 97%
Sep 2025	Birth Size	16.0%	94%
May 2025	Birth Size	15.8%	94%
Sep 2025	Birth Weight	40.4 kg	88%
May 2025	Birth Weight	40.5 kg	89%
Sep 2025	Gest	-5.76 days	99%
May 2025	Gest	-5.76 days	99%
Sep 2025	Mort	-0.45	99%
May 2025	Mort	-0.47	99%
Sep 2025	Maternal Calving Difficulty	4.51%	89%
May 2025	Maternal Calving Difficulty	4.50%	89%

1,212 total progeny records from 345 dairy contemporary groups

( 28,379 herdmate records from 345 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.3%, FR: 20.9%, JE: 3.6%, NR: 0.5%, OTHER: 0.9%	HO: 70.5%, FR: 20.9%, JE: 5.1%, NR: 0.6%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.4% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	758 Days 1109 Days 2162 Days	743 Days 1116 Days 2210 Days

84 total progeny records from 25 contemporary groups

( 2,738 herdmate records from 25 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.8%, FR: 21.4%, JE: 1.8%, NR: 0.0%, OTHER: 0.6%	HO: 72.2%, FR: 22.5%, JE: 2.6%, NR: 0.5%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	13.4% 17.3% 18.7%	18.8% 18.5% 18.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 41.1kg 40.7kg	40.8kg 40.9kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	769 Days 1094 Days 2122 Days	742 Days 1110 Days 2203 Days

25 total progeny records from 10 contemporary groups

( 1,193 herdmate records from 10 contemporary groups)