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% 2.4%	87% ( 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% 2.4%	87% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	16.9%	88%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.6%	88%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	85%
May 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	84%
Sep 2025	Gestation (Days between conception and birth)	-5.40 days	98%
May 2025	Gestation (Days between conception and birth)	-5.39 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.31	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.34	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.42%	83%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.42%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	87% ( V High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	87% 94%
Sep 2025	Birth Size	16.9%	88%
May 2025	Birth Size	16.6%	88%
Sep 2025	Birth Weight	40.2 kg	85%
May 2025	Birth Weight	40.1 kg	84%
Sep 2025	Gest	-5.40 days	98%
May 2025	Gest	-5.39 days	98%
Sep 2025	Mort	-0.31	98%
May 2025	Mort	-0.34	98%
Sep 2025	Maternal Calving Difficulty	4.42%	83%
May 2025	Maternal Calving Difficulty	4.42%	83%

603 total progeny records from 146 dairy contemporary groups

( 13,711 herdmate records from 146 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.7%, FR: 25.7%, JE: 4.3%, NR: 0.3%, OTHER: 0.7%	HO: 66.7%, FR: 24.8%, JE: 5.9%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.8% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1100 Days 2095 Days	735 Days 1109 Days 2182 Days

35 total progeny records from 14 contemporary groups

( 1,386 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.1%, FR: 19.9%, JE: 9.6%, NR: 0.5%, OTHER: 1.3%	HO: 69.8%, FR: 20.9%, JE: 6.6%, NR: 0.7%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	15.5% 15.8% 20%	18.4% 17.5% 18.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.6kg 40.6kg	0kg 40.5kg 40.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1091 Days 1896 Days	743 Days 1107 Days 2131 Days

15 total progeny records from 4 contemporary groups

( 599 herdmate records from 4 contemporary groups)