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 6.0% 2.4%	94% ( 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 6.1% 2.4%	93% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-4.06 days	99%
May 2025	Gestation (Days between conception and birth)	-4.05 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)	-0.15	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.55%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.4%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.4%	93% 97%
Sep 2025	Birth Size	18.9%	93%
May 2025	Birth Size	19.1%	93%
Sep 2025	Birth Weight	40.6 kg	93%
May 2025	Birth Weight	40.7 kg	93%
Sep 2025	Gest	-4.06 days	99%
May 2025	Gest	-4.05 days	99%
Sep 2025	Mort	-0.10	99%
May 2025	Mort	-0.15	99%
Sep 2025	Maternal Calving Difficulty	4.53%	92%
May 2025	Maternal Calving Difficulty	4.55%	92%

1,196 total progeny records from 261 dairy contemporary groups

( 23,429 herdmate records from 260 dairy contemporary groups)

108 progeny ( 1,109 herdmates) born to heifers
260 progeny ( 5,489 herdmates) born to 2nd parity dam
828 progeny ( 16,831 herdmates) born to ≥3rd parity dam
53.3% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.8%, FR: 22.9%, JE: 4.9%, NR: 1.0%, OTHER: 1.1%	HO: 67.7%, FR: 21.7%, JE: 7.3%, NR: 0.8%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1105 Days 2161 Days	739 Days 1110 Days 2175 Days

59 total progeny records from 14 contemporary groups

( 1,019 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.4%, FR: 24.1%, JE: 4.6%, NR: 0.3%, OTHER: 0.8%	HO: 67.4%, FR: 23.7%, JE: 6.8%, NR: 0.5%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.4% 19% 18.2%	18.4% 17.7% 18.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 41.2kg 41kg	41kg 40.2kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	764 Days 1135 Days 2137 Days	741 Days 1109 Days 2204 Days

53 total progeny records from 14 contemporary groups

( 1,269 herdmate records from 13 contemporary groups)