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 6.3% 2.6%	74% ( High) 90% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 6.3% 2.6%	74% 90%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.8%	84%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.9%	84%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	84%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	84%
Sep 2025	Gestation (Days between conception and birth)	-2.75 days	96%
May 2025	Gestation (Days between conception and birth)	-2.75 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.31	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.32	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.93%	78%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.99%	78%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 6.3% 2.6%	74% ( High) 90% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 6.3% 2.6%	74% 90%
Sep 2025	Birth Size	21.8%	84%
May 2025	Birth Size	21.9%	84%
Sep 2025	Birth Weight	41.6 kg	84%
May 2025	Birth Weight	41.7 kg	84%
Sep 2025	Gest	-2.75 days	96%
May 2025	Gest	-2.75 days	95%
Sep 2025	Mort	-0.31	96%
May 2025	Mort	-0.32	95%
Sep 2025	Maternal Calving Difficulty	4.93%	78%
May 2025	Maternal Calving Difficulty	4.99%	78%

219 total progeny records from 72 dairy contemporary groups

( 4,481 herdmate records from 72 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 34.9%, FR: 6.4%, JE: 10.6%, NR: 4.2%, OTHER: 32.4%	HO: 52.0%, FR: 17.5%, JE: 11.5%, NR: 2.9%, OTHER: 9.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.6% 2.8% 2.9%	7% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1096 Days 2214 Days	742 Days 1127 Days 2197 Days

19 total progeny records from 4 contemporary groups

( 208 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 33.9%, FR: 2.0%, JE: 2.9%, NR: 1.9%, OTHER: 46.4%	HO: 38.8%, FR: 6.8%, JE: 0.8%, NR: 1.8%, OTHER: 33.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16% 20.2% 20%	21.6% 20.8% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 41.5kg 40.9kg	41.6kg 41.5kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	717 Days 1099 Days 2209 Days	729 Days 1117 Days 2261 Days

24 total progeny records from 3 contemporary groups

( 182 herdmate records from 3 contemporary groups)