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 5.6% 2.4%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.5%	93% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.9%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.7%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-5.26 days	99%
May 2025	Gestation (Days between conception and birth)	-5.26 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.55	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.57	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.74%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.61%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.4%	93% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.5%	93% 98%
Sep 2025	Birth Size	17.9%	96%
May 2025	Birth Size	17.7%	96%
Sep 2025	Birth Weight	40.1 kg	93%
May 2025	Birth Weight	40.2 kg	93%
Sep 2025	Gest	-5.26 days	99%
May 2025	Gest	-5.26 days	99%
Sep 2025	Mort	-0.55	99%
May 2025	Mort	-0.57	99%
Sep 2025	Maternal Calving Difficulty	5.74%	91%
May 2025	Maternal Calving Difficulty	5.61%	90%

1,921 total progeny records from 443 dairy contemporary groups

( 30,882 herdmate records from 443 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.1%, FR: 23.3%, JE: 1.9%, NR: 0.4%, OTHER: 0.9%	HO: 72.3%, FR: 21.8%, JE: 2.6%, NR: 0.6%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	750 Days 1113 Days 2153 Days	740 Days 1117 Days 2205 Days

155 total progeny records from 46 contemporary groups

( 3,600 herdmate records from 46 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.9%, FR: 21.3%, JE: 0.8%, NR: 0.7%, OTHER: 1.1%	HO: 71.1%, FR: 22.8%, JE: 2.4%, NR: 1.1%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.3% 19.6% 20.1%	18.8% 18.9% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 41.4kg 40.8kg	40.8kg 40.8kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1100 Days 2199 Days	739 Days 1109 Days 2182 Days

81 total progeny records from 16 contemporary groups

( 1,674 herdmate records from 16 contemporary groups)