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 5.6% 2.5%	96% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	96% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.4%	94%
May 2025	Birth Size (Progeny expected to be born large or extra large)	14.9%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.51 days	99%
May 2025	Gestation (Days between conception and birth)	-4.53 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.11	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.13	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.51%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.44%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	96% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	96% 97%
Sep 2025	Birth Size	15.4%	94%
May 2025	Birth Size	14.9%	94%
Sep 2025	Birth Weight	40.8 kg	94%
May 2025	Birth Weight	40.9 kg	94%
Sep 2025	Gest	-4.51 days	99%
May 2025	Gest	-4.53 days	99%
Sep 2025	Mort	-0.11	99%
May 2025	Mort	-0.13	99%
Sep 2025	Maternal Calving Difficulty	5.51%	94%
May 2025	Maternal Calving Difficulty	5.44%	94%

1,189 total progeny records from 356 dairy contemporary groups

( 20,385 herdmate records from 352 dairy contemporary groups)

187 progeny ( 1,500 herdmates) born to heifers
318 progeny ( 5,189 herdmates) born to 2nd parity dam
684 progeny ( 13,696 herdmates) born to ≥3rd parity dam
52.9% progeny (51.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.8%, FR: 18.2%, JE: 1.8%, NR: 0.3%, OTHER: 1.0%	HO: 76.3%, FR: 18.4%, JE: 2.2%, NR: 0.4%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.7%	6.3% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	757 Days 1134 Days 2151 Days	742 Days 1132 Days 2159 Days

67 total progeny records from 18 contemporary groups

( 1,003 herdmate records from 18 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 78.5%, FR: 18.4%, JE: 1.0%, NR: 0.5%, OTHER: 0.3%	HO: 77.1%, FR: 18.6%, JE: 1.5%, NR: 0.9%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.5% 21.1% 19.7%	18.7% 18.7% 19.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 41.5kg 41kg	40.7kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1144 Days 2067 Days	758 Days 1135 Days 2204 Days

83 total progeny records from 16 contemporary groups

( 1,310 herdmate records from 16 contemporary groups)