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% 2.3%	96% ( 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 6.3% 2.4%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.7%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.3%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.73 days	99%
May 2025	Gestation (Days between conception and birth)	-4.74 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.51	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.27%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.28%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.3%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.4%	96% 99%
Sep 2025	Birth Size	17.7%	98%
May 2025	Birth Size	17.3%	97%
Sep 2025	Birth Weight	40.5 kg	96%
May 2025	Birth Weight	40.6 kg	96%
Sep 2025	Gest	-4.73 days	99%
May 2025	Gest	-4.74 days	99%
Sep 2025	Mort	-0.47	99%
May 2025	Mort	-0.51	99%
Sep 2025	Maternal Calving Difficulty	5.27%	98%
May 2025	Maternal Calving Difficulty	5.28%	98%

3,528 total progeny records from 833 dairy contemporary groups

( 54,729 herdmate records from 826 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.3%, FR: 19.3%, JE: 1.8%, NR: 0.6%, OTHER: 1.1%	HO: 73.7%, FR: 20.0%, JE: 2.5%, NR: 0.7%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.6%	6.4% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	768 Days 1121 Days 2171 Days	746 Days 1122 Days 2204 Days

248 total progeny records from 63 contemporary groups

( 4,654 herdmate records from 63 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.9%, FR: 18.8%, JE: 0.7%, NR: 0.5%, OTHER: 1.2%	HO: 71.0%, FR: 24.2%, JE: 1.3%, NR: 0.4%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.5% 19.4% 19.7%	19.3% 19.5% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 41.3kg 41.3kg	40.9kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	872 Days 1133 Days 2282 Days	753 Days 1128 Days 2217 Days

119 total progeny records from 27 contemporary groups

( 2,219 herdmate records from 27 contemporary groups)