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 5.1% 2.3%	87% ( V High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.3%	88% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.7%	77%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.4%	77%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	90%
Sep 2025	Gestation (Days between conception and birth)	-4.78 days	98%
May 2025	Gestation (Days between conception and birth)	-4.76 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.28	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.26	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.71%	82%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.56%	82%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.3%	87% ( V High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.3%	88% 92%
Sep 2025	Birth Size	15.7%	77%
May 2025	Birth Size	15.4%	77%
Sep 2025	Birth Weight	40.2 kg	90%
May 2025	Birth Weight	40.2 kg	90%
Sep 2025	Gest	-4.78 days	98%
May 2025	Gest	-4.76 days	98%
Sep 2025	Mort	-0.28	98%
May 2025	Mort	-0.26	98%
Sep 2025	Maternal Calving Difficulty	5.71%	82%
May 2025	Maternal Calving Difficulty	5.56%	82%

282 total progeny records from 55 dairy contemporary groups

( 5,480 herdmate records from 55 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.5%, FR: 25.5%, JE: 8.6%, NR: 1.6%, OTHER: 2.2%	HO: 59.6%, FR: 26.1%, JE: 9.4%, NR: 1.4%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	728 Days 1094 Days 2055 Days	732 Days 1109 Days 2172 Days

8 total progeny records from 4 contemporary groups

( 231 herdmate records from 4 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 53.7%, FR: 30.9%, JE: 7.9%, NR: 2.1%, OTHER: 3.8%	HO: 59.6%, FR: 29.9%, JE: 5.5%, NR: 0.8%, OTHER: 2.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 20.8% 17.6%	0% 18.5% 18.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.6kg 40.1kg	41kg 40.7kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	723 Days 1122 Days 2276 Days	737 Days 1117 Days 2242 Days

31 total progeny records from 4 contemporary groups

( 571 herdmate records from 4 contemporary groups)