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 6.1% 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 6.2% 2.3%	96% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.4%	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)	-3.75 days	99%
May 2025	Gestation (Days between conception and birth)	-3.76 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.74	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.76	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.37%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	6.33%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.3%	96% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.3%	96% 99%
Sep 2025	Birth Size	18.1%	97%
May 2025	Birth Size	18.4%	97%
Sep 2025	Birth Weight	40.5 kg	96%
May 2025	Birth Weight	40.6 kg	96%
Sep 2025	Gest	-3.75 days	99%
May 2025	Gest	-3.76 days	99%
Sep 2025	Mort	-0.74	99%
May 2025	Mort	-0.76	99%
Sep 2025	Maternal Calving Difficulty	6.37%	97%
May 2025	Maternal Calving Difficulty	6.33%	97%

3,157 total progeny records from 706 dairy contemporary groups

( 44,810 herdmate records from 701 dairy contemporary groups)

128 progeny ( 1,634 herdmates) born to heifers
939 progeny ( 10,901 herdmates) born to 2nd parity dam
2,090 progeny ( 32,275 herdmates) born to ≥3rd parity dam
53.7% progeny (50.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.2%, FR: 18.8%, JE: 2.3%, NR: 0.4%, OTHER: 0.9%	HO: 73.6%, FR: 19.4%, JE: 3.7%, NR: 0.5%, OTHER: 0.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.6% 2.6%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1128 Days 2113 Days	752 Days 1131 Days 2187 Days

239 total progeny records from 57 contemporary groups

( 4,290 herdmate records from 57 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.8%, FR: 20.1%, JE: 2.0%, NR: 0.4%, OTHER: 0.5%	HO: 71.7%, FR: 24.3%, JE: 1.1%, NR: 0.7%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 18.4% 19.3%	19.2% 19.5% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.5kg 41.3kg 40.9kg	41.1kg 41.2kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1134 Days 2139 Days	744 Days 1119 Days 2222 Days

135 total progeny records from 33 contemporary groups

( 1,953 herdmate records from 33 contemporary groups)