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 6.7% 2.3%	89% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.3%	89% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	83%
Sep 2025	Gestation (Days between conception and birth)	-3.77 days	99%
May 2025	Gestation (Days between conception and birth)	-3.76 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.31	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.30	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.91%	90%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.78%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.7% 2.3%	89% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.8% 2.3%	89% 96%
Sep 2025	Birth Size	19.4%	90%
May 2025	Birth Size	19.4%	90%
Sep 2025	Birth Weight	42.2 kg	83%
May 2025	Birth Weight	42.4 kg	83%
Sep 2025	Gest	-3.77 days	99%
May 2025	Gest	-3.76 days	99%
Sep 2025	Mort	0.31	99%
May 2025	Mort	0.30	99%
Sep 2025	Maternal Calving Difficulty	4.91%	90%
May 2025	Maternal Calving Difficulty	4.78%	90%

560 total progeny records from 129 dairy contemporary groups

( 11,216 herdmate records from 128 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.1%, FR: 27.3%, JE: 2.7%, NR: 0.7%, OTHER: 1.4%	HO: 66.6%, FR: 25.7%, JE: 4.1%, NR: 0.7%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.6% 2.6%	6.4% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1103 Days 2076 Days	732 Days 1110 Days 2195 Days

41 total progeny records from 13 contemporary groups

( 1,162 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.8%, FR: 19.4%, JE: 2.4%, NR: 0.9%, OTHER: 2.1%	HO: 67.0%, FR: 23.9%, JE: 3.9%, NR: 1.2%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17% 19.7% 18.5%	18.9% 19% 18.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.4kg 40.6kg	0kg 41kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1100 Days 2126 Days	757 Days 1111 Days 2237 Days

10 total progeny records from 3 contemporary groups

( 350 herdmate records from 3 contemporary groups)