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 6.2% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.5%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-3.87 days	99%
May 2025	Gestation (Days between conception and birth)	-3.87 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.07	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.10	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.76%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.72%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.5%	98% 99%
Sep 2025	Birth Size	22.1%	97%
May 2025	Birth Size	22.3%	97%
Sep 2025	Birth Weight	41.7 kg	95%
May 2025	Birth Weight	41.7 kg	96%
Sep 2025	Gest	-3.87 days	99%
May 2025	Gest	-3.87 days	99%
Sep 2025	Mort	-0.07	99%
May 2025	Mort	-0.10	99%
Sep 2025	Maternal Calving Difficulty	4.76%	97%
May 2025	Maternal Calving Difficulty	4.72%	97%

3,834 total progeny records from 846 dairy contemporary groups

( 35,170 herdmate records from 840 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.8%, FR: 11.3%, JE: 0.8%, NR: 0.1%, OTHER: 0.6%	HO: 83.1%, FR: 13.4%, JE: 0.8%, NR: 0.1%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.8% 2.8%	6.8% 2.8% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1150 Days 2120 Days	759 Days 1148 Days 2159 Days

221 total progeny records from 60 contemporary groups

( 3,103 herdmate records from 60 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 84.4%, FR: 12.3%, JE: 0.2%, NR: 0.2%, OTHER: 1.4%	HO: 82.5%, FR: 12.8%, JE: 0.7%, NR: 0.1%, OTHER: 1.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20% 19.4% 19.9%	20.8% 20.2% 20.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.6kg 41kg 41.2kg	41.3kg 41.2kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	746 Days 1123 Days 2191 Days	775 Days 1145 Days 2194 Days

123 total progeny records from 33 contemporary groups

( 1,704 herdmate records from 33 contemporary groups)