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 4.5% 1.9%	82% ( V High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.6% 1.9%	82% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	12.9%	87%
May 2025	Birth Size (Progeny expected to be born large or extra large)	12.8%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	87%
Sep 2025	Gestation (Days between conception and birth)	-4.82 days	96%
May 2025	Gestation (Days between conception and birth)	-4.83 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.44%	83%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.42%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.5% 1.9%	82% ( V High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.6% 1.9%	82% 92%
Sep 2025	Birth Size	12.9%	87%
May 2025	Birth Size	12.8%	87%
Sep 2025	Birth Weight	39.6 kg	87%
May 2025	Birth Weight	39.7 kg	87%
Sep 2025	Gest	-4.82 days	96%
May 2025	Gest	-4.83 days	96%
Sep 2025	Mort	-0.67	96%
May 2025	Mort	-0.78	96%
Sep 2025	Maternal Calving Difficulty	4.44%	83%
May 2025	Maternal Calving Difficulty	4.42%	83%

216 total progeny records from 70 dairy contemporary groups

( 7,861 herdmate records from 70 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.1%, FR: 20.8%, JE: 8.1%, NR: 1.1%, OTHER: 1.4%	HO: 64.5%, FR: 21.5%, JE: 8.7%, NR: 1.1%, OTHER: 2.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	5.8% 2.4% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1105 Days 2113 Days	738 Days 1113 Days 2163 Days

22 total progeny records from 7 contemporary groups

( 634 herdmate records from 7 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.4%, FR: 26.4%, JE: 5.9%, NR: 0.9%, OTHER: 0.7%	HO: 60.3%, FR: 29.4%, JE: 6.4%, NR: 1.2%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.2% 17.8%	0% 17.2% 18.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.6kg 40.7kg	0kg 40.7kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1083 Days 2131 Days	0 Days 1106 Days 2204 Days

16 total progeny records from 3 contemporary groups

( 206 herdmate records from 3 contemporary groups)