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 6.5% 2.6%	80% ( V High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	79% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.3%	86%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	86%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	73%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	73%
Sep 2025	Gestation (Days between conception and birth)	-4.02 days	96%
May 2025	Gestation (Days between conception and birth)	-4.03 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.50	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.54	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.75%	82%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.70%	82%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	80% ( V High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.6%	79% 91%
Sep 2025	Birth Size	20.3%	86%
May 2025	Birth Size	20.6%	86%
Sep 2025	Birth Weight	41.6 kg	73%
May 2025	Birth Weight	41.6 kg	73%
Sep 2025	Gest	-4.02 days	96%
May 2025	Gest	-4.03 days	96%
Sep 2025	Mort	-0.50	96%
May 2025	Mort	-0.54	96%
Sep 2025	Maternal Calving Difficulty	4.75%	82%
May 2025	Maternal Calving Difficulty	4.70%	82%

144 total progeny records from 83 dairy contemporary groups

( 6,789 herdmate records from 83 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.5%, FR: 18.8%, JE: 4.1%, NR: 1.1%, OTHER: 1.1%	HO: 72.7%, FR: 19.7%, JE: 3.7%, NR: 0.8%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.4% 2.6%	6% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1138 Days 2156 Days	740 Days 1116 Days 2190 Days

20 total progeny records from 8 contemporary groups

( 723 herdmate records from 8 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 79.5%, FR: 19.0%, JE: 0.3%, NR: 0.0%, OTHER: 0.3%	HO: 74.9%, FR: 22.2%, JE: 0.4%, NR: 0.9%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20% 20.6% 19.1%	18.7% 19.2% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 42.6kg 0kg	0kg 40.8kg 0kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1236 Days 2246 Days	776 Days 1136 Days 2193 Days

1 total progeny records from 1 contemporary groups

( 64 herdmate records from 1 contemporary groups)