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 7.3% 2.6%	81% ( 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 7.3% 2.6%	81% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	88%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.1 kg	81%
May 2025	Birth Weight (Expected progeny birth weight)	42.2 kg	81%
Sep 2025	Gestation (Days between conception and birth)	-3.27 days	98%
May 2025	Gestation (Days between conception and birth)	-3.32 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.74	98%
May 2025	Mortality (Calves dead at or soon after birth)	0.67	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.64%	88%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.68%	88%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.3% 2.6%	81% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.3% 2.6%	81% 96%
Sep 2025	Birth Size	18.5%	88%
May 2025	Birth Size	18.5%	87%
Sep 2025	Birth Weight	42.1 kg	81%
May 2025	Birth Weight	42.2 kg	81%
Sep 2025	Gest	-3.27 days	98%
May 2025	Gest	-3.32 days	98%
Sep 2025	Mort	0.74	98%
May 2025	Mort	0.67	98%
Sep 2025	Maternal Calving Difficulty	5.64%	88%
May 2025	Maternal Calving Difficulty	5.68%	88%

680 total progeny records from 188 dairy contemporary groups

( 10,437 herdmate records from 184 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 43.5%, FR: 52.9%, JE: 0.3%, NR: 0.3%, OTHER: 0.7%	HO: 45.0%, FR: 50.8%, JE: 0.8%, NR: 0.4%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.8% 2.7% 2.8%	7.1% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1116 Days 2221 Days	742 Days 1121 Days 2244 Days

31 total progeny records from 10 contemporary groups

( 1,107 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 53.6%, FR: 42.4%, JE: 0.2%, NR: 1.8%, OTHER: 0.1%	HO: 52.1%, FR: 41.9%, JE: 1.8%, NR: 1.0%, OTHER: 1.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.9% 21.2% 22%	20.2% 20.8% 20.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40kg 41.7kg	0kg 40.9kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	757 Days 1103 Days 2551 Days	736 Days 1108 Days 2225 Days

24 total progeny records from 6 contemporary groups

( 465 herdmate records from 6 contemporary groups)