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 5.2% 2.3%	81% ( V High) 90% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.3%	80% 90%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	81%
May 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	80%
Sep 2025	Gestation (Days between conception and birth)	-4.42 days	95%
May 2025	Gestation (Days between conception and birth)	-4.48 days	95%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	95%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	95%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.36%	81%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.32%	81%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.3%	81% ( V High) 90% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.3%	80% 90%
Sep 2025	Birth Size	19.0%	90%
May 2025	Birth Size	19.0%	90%
Sep 2025	Birth Weight	40.8 kg	81%
May 2025	Birth Weight	40.8 kg	80%
Sep 2025	Gest	-4.42 days	95%
May 2025	Gest	-4.48 days	95%
Sep 2025	Mort	-0.67	95%
May 2025	Mort	-0.78	95%
Sep 2025	Maternal Calving Difficulty	4.36%	81%
May 2025	Maternal Calving Difficulty	4.32%	81%

175 total progeny records from 62 dairy contemporary groups

( 6,098 herdmate records from 61 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.7%, FR: 23.7%, JE: 2.8%, NR: 0.4%, OTHER: 0.7%	HO: 71.8%, FR: 22.0%, JE: 4.2%, NR: 0.4%, OTHER: 0.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.4% 2.5%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	757 Days 1103 Days 2127 Days	748 Days 1112 Days 2182 Days

47 total progeny records from 13 contemporary groups

( 1,169 herdmate records from 13 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 26.2%, JE: 0.2%, NR: 0.0%, OTHER: 1.0%	HO: 73.9%, FR: 23.4%, JE: 0.7%, NR: 0.1%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.2% 18.8% 18.9%	19.3% 19.5% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.9kg 41.1kg	0kg 40.8kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	779 Days 1092 Days 2111 Days	755 Days 1107 Days 2252 Days

10 total progeny records from 6 contemporary groups

( 525 herdmate records from 6 contemporary groups)