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	Low 5.9% 2.4%	88% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	88% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.3%	86%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.2%	86%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	86%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	86%
Sep 2025	Gestation (Days between conception and birth)	-4.31 days	98%
May 2025	Gestation (Days between conception and birth)	-4.33 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.80	98%
May 2025	Mortality (Calves dead at or soon after birth)	-1.06	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.31%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.16%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	88% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	88% 95%
Sep 2025	Birth Size	18.3%	86%
May 2025	Birth Size	18.2%	86%
Sep 2025	Birth Weight	40.6 kg	86%
May 2025	Birth Weight	40.7 kg	86%
Sep 2025	Gest	-4.31 days	98%
May 2025	Gest	-4.33 days	98%
Sep 2025	Mort	-0.80	98%
May 2025	Mort	-1.06	98%
Sep 2025	Maternal Calving Difficulty	5.31%	89%
May 2025	Maternal Calving Difficulty	5.16%	89%

399 total progeny records from 111 dairy contemporary groups

( 9,749 herdmate records from 111 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.0%, FR: 20.9%, JE: 4.5%, NR: 0.9%, OTHER: 1.3%	HO: 65.7%, FR: 20.9%, JE: 8.5%, NR: 0.8%, OTHER: 1.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.6% 2.6%	6.5% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1117 Days 2118 Days	765 Days 1126 Days 2177 Days

20 total progeny records from 6 contemporary groups

( 484 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.9%, FR: 26.5%, JE: 2.6%, NR: 0.7%, OTHER: 2.3%	HO: 68.4%, FR: 22.2%, JE: 4.8%, NR: 0.5%, OTHER: 2.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 22% 20.6%	18.8% 18.4% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.7kg 40.8kg	0kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	1045 Days 1138 Days 2309 Days	754 Days 1149 Days 2271 Days

15 total progeny records from 3 contemporary groups

( 362 herdmate records from 3 contemporary groups)