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 7.0% 2.8%	70% ( High) 90% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.1% 2.7%	69% 89%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.5%	83%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.3%	81%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	70%
May 2025	Birth Weight (Expected progeny birth weight)	42.1 kg	71%
Sep 2025	Gestation (Days between conception and birth)	-3.55 days	96%
May 2025	Gestation (Days between conception and birth)	-3.52 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.08	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.06	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.36%	75%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.38%	74%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.0% 2.8%	70% ( High) 90% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.1% 2.7%	69% 89%
Sep 2025	Birth Size	19.5%	83%
May 2025	Birth Size	19.3%	81%
Sep 2025	Birth Weight	41.9 kg	70%
May 2025	Birth Weight	42.1 kg	71%
Sep 2025	Gest	-3.55 days	96%
May 2025	Gest	-3.52 days	96%
Sep 2025	Mort	-0.08	96%
May 2025	Mort	-0.06	96%
Sep 2025	Maternal Calving Difficulty	5.36%	75%
May 2025	Maternal Calving Difficulty	5.38%	74%

194 total progeny records from 65 dairy contemporary groups

( 7,634 herdmate records from 65 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.5%, FR: 20.4%, JE: 7.1%, NR: 0.3%, OTHER: 0.8%	HO: 69.2%, FR: 21.0%, JE: 7.3%, NR: 0.4%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.4% 2.5% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	757 Days 1114 Days 2091 Days	761 Days 1113 Days 2199 Days

18 total progeny records from 6 contemporary groups

( 510 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.3%, FR: 23.9%, JE: 3.6%, NR: 0.0%, OTHER: 1.4%	HO: 70.1%, FR: 22.7%, JE: 5.5%, NR: 0.2%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18% 19.4%	0% 19.3% 18.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.9kg 38.9kg	0kg 40.2kg 40kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1096 Days 2264 Days	0 Days 1112 Days 2142 Days

4 total progeny records from 1 contemporary groups

( 182 herdmate records from 1 contemporary groups)