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 5.3% 2.2%	78% ( High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	77% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.1%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.3%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	80%
May 2025	Birth Weight (Expected progeny birth weight)	39.6 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-5.01 days	96%
May 2025	Gestation (Days between conception and birth)	-4.99 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.29	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.34	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.55%	78%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.54%	77%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	78% ( High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.2%	77% 91%
Sep 2025	Birth Size	15.1%	89%
May 2025	Birth Size	15.3%	89%
Sep 2025	Birth Weight	39.7 kg	80%
May 2025	Birth Weight	39.6 kg	82%
Sep 2025	Gest	-5.01 days	96%
May 2025	Gest	-4.99 days	96%
Sep 2025	Mort	-0.29	96%
May 2025	Mort	-0.34	96%
Sep 2025	Maternal Calving Difficulty	4.55%	78%
May 2025	Maternal Calving Difficulty	4.54%	77%

228 total progeny records from 75 dairy contemporary groups

( 8,232 herdmate records from 75 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.7%, FR: 22.6%, JE: 4.8%, NR: 0.4%, OTHER: 1.5%	HO: 66.4%, FR: 21.9%, JE: 8.4%, NR: 0.7%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6.2% 2.5% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	754 Days 1102 Days 2282 Days	733 Days 1114 Days 2199 Days

41 total progeny records from 12 contemporary groups

( 1,248 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.3%, FR: 23.6%, JE: 7.3%, NR: 0.0%, OTHER: 0.3%	HO: 66.1%, FR: 19.8%, JE: 12.1%, NR: 0.5%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.9% 20% 19.1%	17.9% 17.2% 17.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.7kg 40.2kg	0kg 40.4kg 39.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1096 Days 2267 Days	737 Days 1113 Days 2200 Days

12 total progeny records from 7 contemporary groups

( 892 herdmate records from 7 contemporary groups)