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 5.3% 2.2%	71% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.2%	70% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.0%	87%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.8%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-3.43 days	97%
May 2025	Gestation (Days between conception and birth)	-3.40 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.33	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.19	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.20%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.15%	77%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	71% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.2%	70% 91%
Sep 2025	Birth Size	22.0%	87%
May 2025	Birth Size	21.8%	87%
Sep 2025	Birth Weight	41.2 kg	90%
May 2025	Birth Weight	41.2 kg	90%
Sep 2025	Gest	-3.43 days	97%
May 2025	Gest	-3.40 days	97%
Sep 2025	Mort	-0.33	97%
May 2025	Mort	-0.19	97%
Sep 2025	Maternal Calving Difficulty	4.20%	79%
May 2025	Maternal Calving Difficulty	4.15%	77%

246 total progeny records from 77 dairy contemporary groups

( 8,945 herdmate records from 77 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.8%, FR: 21.8%, JE: 4.3%, NR: 0.2%, OTHER: 0.5%	HO: 68.2%, FR: 22.9%, JE: 6.3%, NR: 0.6%, OTHER: 0.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.6% 2.6%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1107 Days 2070 Days	745 Days 1116 Days 2206 Days

26 total progeny records from 9 contemporary groups

( 859 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.5%, FR: 23.7%, JE: 4.1%, NR: 0.0%, OTHER: 0.7%	HO: 69.7%, FR: 23.1%, JE: 4.6%, NR: 0.2%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	12.6% 18.3% 20.8%	19.3% 19.8% 20%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.4kg 40.9kg	0kg 40.6kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1094 Days 2208 Days	736 Days 1106 Days 2174 Days

34 total progeny records from 8 contemporary groups

( 1,448 herdmate records from 8 contemporary groups)