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 6.8% 2.6%	92% ( 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 6.8% 2.6%	92% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.1%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	85%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	85%
Sep 2025	Gestation (Days between conception and birth)	-4.28 days	99%
May 2025	Gestation (Days between conception and birth)	-4.27 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.59	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.56	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.64%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.62%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.6%	92% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.6%	92% 97%
Sep 2025	Birth Size	23.0%	95%
May 2025	Birth Size	23.1%	95%
Sep 2025	Birth Weight	40.7 kg	85%
May 2025	Birth Weight	40.7 kg	85%
Sep 2025	Gest	-4.28 days	99%
May 2025	Gest	-4.27 days	99%
Sep 2025	Mort	-0.59	99%
May 2025	Mort	-0.56	99%
Sep 2025	Maternal Calving Difficulty	4.64%	89%
May 2025	Maternal Calving Difficulty	4.62%	89%

1,482 total progeny records from 343 dairy contemporary groups

( 26,911 herdmate records from 343 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.0%, FR: 20.3%, JE: 3.7%, NR: 0.4%, OTHER: 1.2%	HO: 71.6%, FR: 20.8%, JE: 4.4%, NR: 0.4%, OTHER: 1.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1110 Days 2093 Days	744 Days 1113 Days 2168 Days

114 total progeny records from 28 contemporary groups

( 3,184 herdmate records from 28 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.7%, FR: 22.5%, JE: 4.1%, NR: 0.8%, OTHER: 2.6%	HO: 71.5%, FR: 22.2%, JE: 2.7%, NR: 0.3%, OTHER: 1.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.7% 18.2% 18.3%	18.7% 19.1% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.7kg 41kg 41.2kg	41.5kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1105 Days 2040 Days	740 Days 1108 Days 2177 Days

9 total progeny records from 5 contemporary groups

( 661 herdmate records from 5 contemporary groups)