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 7.1% 2.7%	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 7.1% 2.8%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.7%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.8%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.0 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-5.07 days	99%
May 2025	Gestation (Days between conception and birth)	-5.10 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.43	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.56%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.52%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.7%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.1% 2.8%	98% 99%
Sep 2025	Birth Size	22.7%	98%
May 2025	Birth Size	22.8%	98%
Sep 2025	Birth Weight	40.9 kg	97%
May 2025	Birth Weight	41.0 kg	97%
Sep 2025	Gest	-5.07 days	99%
May 2025	Gest	-5.10 days	99%
Sep 2025	Mort	-0.43	99%
May 2025	Mort	-0.48	99%
Sep 2025	Maternal Calving Difficulty	5.56%	99%
May 2025	Maternal Calving Difficulty	5.52%	99%

7,389 total progeny records from 1,589 dairy contemporary groups

( 94,866 herdmate records from 1,576 dairy contemporary groups)

220 progeny ( 2,813 herdmates) born to heifers
2,196 progeny ( 24,848 herdmates) born to 2nd parity dam
4,973 progeny ( 67,205 herdmates) born to ≥3rd parity dam
52.2% progeny (51.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.9%, FR: 20.1%, JE: 5.0%, NR: 1.2%, OTHER: 2.0%	HO: 67.1%, FR: 20.6%, JE: 5.7%, NR: 1.6%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.7%	6.4% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	772 Days 1116 Days 2074 Days	745 Days 1125 Days 2130 Days

221 total progeny records from 57 contemporary groups

( 3,499 herdmate records from 57 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.9%, FR: 19.2%, JE: 4.4%, NR: 2.3%, OTHER: 2.4%	HO: 64.1%, FR: 22.4%, JE: 6.0%, NR: 2.2%, OTHER: 2.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16% 19.5% 20.5%	19.4% 19.8% 20.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 40.8kg 40.9kg	40.8kg 40.6kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	724 Days 1101 Days 2081 Days	740 Days 1118 Days 2140 Days

137 total progeny records from 30 contemporary groups

( 2,719 herdmate records from 30 contemporary groups)