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 7.8% 3.0%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.0%	92% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.3%	92%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.9%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	86%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	86%
Sep 2025	Gestation (Days between conception and birth)	0.24 days	98%
May 2025	Gestation (Days between conception and birth)	0.28 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.06	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.01	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.41%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.44%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.0%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.0%	92% 96%
Sep 2025	Birth Size	23.3%	92%
May 2025	Birth Size	23.9%	92%
Sep 2025	Birth Weight	41.2 kg	86%
May 2025	Birth Weight	41.2 kg	86%
Sep 2025	Gest	0.24 days	98%
May 2025	Gest	0.28 days	98%
Sep 2025	Mort	0.06	98%
May 2025	Mort	0.01	98%
Sep 2025	Maternal Calving Difficulty	5.41%	89%
May 2025	Maternal Calving Difficulty	5.44%	88%

639 total progeny records from 204 dairy contemporary groups

( 7,623 herdmate records from 204 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.1%, FR: 10.2%, JE: 0.6%, NR: 0.2%, OTHER: 1.4%	HO: 79.9%, FR: 14.4%, JE: 1.4%, NR: 0.4%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.2% 2.9% 2.9%	7% 2.9% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	843 Days 1186 Days 2193 Days	788 Days 1180 Days 2154 Days

60 total progeny records from 28 contemporary groups

( 805 herdmate records from 28 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 86.8%, FR: 8.5%, JE: 0.0%, NR: 0.0%, OTHER: 2.9%	HO: 85.0%, FR: 9.5%, JE: 2.0%, NR: 0.1%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21% 21.7% 22.3%	21.8% 20.9% 20.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.2kg 41.5kg 42.4kg	41.4kg 41.8kg 42.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	803 Days 1178 Days 2237 Days	778 Days 1173 Days 2128 Days

16 total progeny records from 6 contemporary groups

( 169 herdmate records from 6 contemporary groups)