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 8.3% 3.2%	80% ( V High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.4% 3.2%	79% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	26.7%	82%
May 2025	Birth Size (Progeny expected to be born large or extra large)	27.4%	82%
Sep 2025	Birth Weight (Expected progeny birth weight)	43.3 kg	79%
May 2025	Birth Weight (Expected progeny birth weight)	43.1 kg	78%
Sep 2025	Gestation (Days between conception and birth)	-4.63 days	98%
May 2025	Gestation (Days between conception and birth)	-4.64 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.86	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.68	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.01%	86%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.3% 3.2%	80% ( V High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.4% 3.2%	79% 94%
Sep 2025	Birth Size	26.7%	82%
May 2025	Birth Size	27.4%	82%
Sep 2025	Birth Weight	43.3 kg	79%
May 2025	Birth Weight	43.1 kg	78%
Sep 2025	Gest	-4.63 days	98%
May 2025	Gest	-4.64 days	98%
Sep 2025	Mort	0.86	98%
May 2025	Mort	0.68	98%
Sep 2025	Maternal Calving Difficulty	4.92%	86%
May 2025	Maternal Calving Difficulty	5.01%	86%

323 total progeny records from 58 dairy contemporary groups

( 2,087 herdmate records from 58 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 87.5%, FR: 11.5%, JE: 0.1%, NR: 0.1%, OTHER: 0.4%	HO: 86.1%, FR: 11.4%, JE: 0.3%, NR: 0.0%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.5% 2.9% 3%	7.1% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	941 Days 1159 Days 2214 Days	767 Days 1188 Days 2197 Days

14 total progeny records from 4 contemporary groups

( 200 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 79.2%, FR: 19.6%, JE: 0.0%, NR: 0.0%, OTHER: 0.0%	HO: 84.6%, FR: 13.9%, JE: 0.2%, NR: 0.0%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 20.7% 20.2%	22.7% 21.5% 21.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41kg 41.8kg	0kg 41.5kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	743 Days 1138 Days 2123 Days	749 Days 1133 Days 2235 Days

6 total progeny records from 2 contemporary groups

( 114 herdmate records from 2 contemporary groups)