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	Moderate 8.4% 3.3%	75% ( High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.5% 3.3%	75% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.6%	81%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.6%	80%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	88%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-3.54 days	96%
May 2025	Gestation (Days between conception and birth)	-3.55 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.45	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.49	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.40%	82%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.39%	82%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.4% 3.3%	75% ( High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.5% 3.3%	75% 91%
Sep 2025	Birth Size	23.6%	81%
May 2025	Birth Size	23.6%	80%
Sep 2025	Birth Weight	41.8 kg	88%
May 2025	Birth Weight	41.8 kg	88%
Sep 2025	Gest	-3.54 days	96%
May 2025	Gest	-3.55 days	96%
Sep 2025	Mort	-0.45	96%
May 2025	Mort	-0.49	96%
Sep 2025	Maternal Calving Difficulty	4.40%	82%
May 2025	Maternal Calving Difficulty	4.39%	82%

176 total progeny records from 65 dairy contemporary groups

( 7,311 herdmate records from 65 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.9%, FR: 21.3%, JE: 5.8%, NR: 0.2%, OTHER: 0.7%	HO: 70.2%, FR: 20.8%, JE: 6.3%, NR: 0.7%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	4.9% 2.5% 2.5%	6.8% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1115 Days 2153 Days	747 Days 1109 Days 2166 Days

12 total progeny records from 7 contemporary groups

( 592 herdmate records from 7 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.7%, FR: 19.8%, JE: 0.5%, NR: 0.4%, OTHER: 0.7%	HO: 78.4%, FR: 17.8%, JE: 1.2%, NR: 0.6%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 23.7% 19.7%	0% 18.9% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.3kg 41.1kg	0kg 41.1kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1105 Days 2189 Days	0 Days 1125 Days 2190 Days

21 total progeny records from 6 contemporary groups

( 766 herdmate records from 6 contemporary groups)