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 6.2% 2.4%	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 6.1% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.2%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.5%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-2.06 days	99%
May 2025	Gestation (Days between conception and birth)	-2.08 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.01	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.07	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.58%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.57%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.4%	98% 99%
Sep 2025	Birth Size	18.2%	96%
May 2025	Birth Size	18.5%	96%
Sep 2025	Birth Weight	40.2 kg	96%
May 2025	Birth Weight	40.2 kg	96%
Sep 2025	Gest	-2.06 days	99%
May 2025	Gest	-2.08 days	99%
Sep 2025	Mort	-0.01	99%
May 2025	Mort	-0.07	99%
Sep 2025	Maternal Calving Difficulty	4.58%	99%
May 2025	Maternal Calving Difficulty	4.57%	99%

3,487 total progeny records from 862 dairy contemporary groups

( 42,542 herdmate records from 858 dairy contemporary groups)

544 progeny ( 4,517 herdmates) born to heifers
985 progeny ( 11,003 herdmates) born to 2nd parity dam
1,958 progeny ( 27,022 herdmates) born to ≥3rd parity dam
45.9% progeny (49.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.9%, FR: 24.4%, JE: 4.8%, NR: 1.1%, OTHER: 1.7%	HO: 64.3%, FR: 24.7%, JE: 4.6%, NR: 1.2%, OTHER: 2.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.7% 2.8%	6.6% 2.6% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	758 Days 1133 Days 2073 Days	752 Days 1136 Days 2155 Days

38 total progeny records from 14 contemporary groups

( 474 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.8%, FR: 24.8%, JE: 4.0%, NR: 1.3%, OTHER: 0.3%	HO: 61.4%, FR: 22.8%, JE: 9.1%, NR: 2.2%, OTHER: 1.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.2% 19.3% 20.9%	21.6% 22% 22.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.9kg 40.7kg 40.9kg	40.3kg 40.4kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1100 Days 1968 Days	744 Days 1120 Days 2055 Days

104 total progeny records from 23 contemporary groups

( 2,759 herdmate records from 23 contemporary groups)