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 5.4% 2.1%	93% ( V High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	93% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-5.89 days	98%
May 2025	Gestation (Days between conception and birth)	-5.90 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.63	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.68	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.19%	90%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.24%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	93% ( V High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	93% 94%
Sep 2025	Birth Size	18.0%	90%
May 2025	Birth Size	18.0%	90%
Sep 2025	Birth Weight	40.0 kg	89%
May 2025	Birth Weight	40.1 kg	88%
Sep 2025	Gest	-5.89 days	98%
May 2025	Gest	-5.90 days	98%
Sep 2025	Mort	-0.63	98%
May 2025	Mort	-0.68	98%
Sep 2025	Maternal Calving Difficulty	4.19%	90%
May 2025	Maternal Calving Difficulty	4.24%	90%

654 total progeny records from 93 dairy contemporary groups

( 8,494 herdmate records from 92 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 55.9%, FR: 22.0%, JE: 17.7%, NR: 0.9%, OTHER: 1.5%	HO: 58.4%, FR: 21.3%, JE: 15.5%, NR: 1.1%, OTHER: 1.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.4% 2.5%	6.2% 2.4% 2.4%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1098 Days 2078 Days	732 Days 1110 Days 2183 Days

38 total progeny records from 8 contemporary groups

( 578 herdmate records from 8 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.8%, FR: 25.3%, JE: 4.0%, NR: 0.1%, OTHER: 0.3%	HO: 70.2%, FR: 24.6%, JE: 1.4%, NR: 0.1%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.1% 20.2% 19%	18.9% 19.3% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.1kg 40.8kg	0kg 41.3kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	725 Days 1097 Days 2087 Days	730 Days 1109 Days 2100 Days

20 total progeny records from 2 contemporary groups

( 218 herdmate records from 2 contemporary groups)