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 5.5% 2.4%	97% ( 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 5.4% 2.4%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.3%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.2%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.07 days	99%
May 2025	Gestation (Days between conception and birth)	-4.08 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.10	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.14	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.97%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.94%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	97% 99%
Sep 2025	Birth Size	18.3%	95%
May 2025	Birth Size	18.2%	95%
Sep 2025	Birth Weight	40.4 kg	97%
May 2025	Birth Weight	40.5 kg	97%
Sep 2025	Gest	-4.07 days	99%
May 2025	Gest	-4.08 days	99%
Sep 2025	Mort	-0.10	99%
May 2025	Mort	-0.14	99%
Sep 2025	Maternal Calving Difficulty	5.97%	99%
May 2025	Maternal Calving Difficulty	5.94%	98%

3,536 total progeny records from 931 dairy contemporary groups

( 34,078 herdmate records from 919 dairy contemporary groups)

251 progeny ( 1,475 herdmates) born to heifers
937 progeny ( 9,501 herdmates) born to 2nd parity dam
2,348 progeny ( 23,102 herdmates) born to ≥3rd parity dam
50.8% progeny (50.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.1%, FR: 11.3%, JE: 0.6%, NR: 0.4%, OTHER: 0.8%	HO: 84.2%, FR: 12.0%, JE: 1.0%, NR: 0.4%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.6% 2.8% 2.9%	6.9% 2.8% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	817 Days 1177 Days 2219 Days	770 Days 1173 Days 2199 Days

89 total progeny records from 28 contemporary groups

( 972 herdmate records from 28 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 91.2%, FR: 7.2%, JE: 0.0%, NR: 0.2%, OTHER: 0.3%	HO: 89.5%, FR: 8.1%, JE: 0.3%, NR: 0.5%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 19.1% 20.7%	20.9% 21.1% 21.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.4kg 41.3kg 41.3kg	41.2kg 41.3kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1147 Days 2200 Days	766 Days 1155 Days 2156 Days

157 total progeny records from 29 contemporary groups

( 1,348 herdmate records from 29 contemporary groups)