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	Moderate 7.6% 3.0%	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	Moderate 7.6% 3.0%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.7%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.5%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-4.11 days	99%
May 2025	Gestation (Days between conception and birth)	-4.12 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)	-0.05	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.84%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.84%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.6% 3.0%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.6% 3.0%	97% 99%
Sep 2025	Birth Size	23.7%	96%
May 2025	Birth Size	23.5%	96%
Sep 2025	Birth Weight	40.6 kg	96%
May 2025	Birth Weight	40.7 kg	96%
Sep 2025	Gest	-4.11 days	99%
May 2025	Gest	-4.12 days	99%
Sep 2025	Mort	0.01	99%
May 2025	Mort	-0.05	99%
Sep 2025	Maternal Calving Difficulty	5.84%	98%
May 2025	Maternal Calving Difficulty	5.84%	98%

2,578 total progeny records from 617 dairy contemporary groups

( 30,496 herdmate records from 612 dairy contemporary groups)

75 progeny ( 1,276 herdmates) born to heifers
726 progeny ( 8,602 herdmates) born to 2nd parity dam
1,777 progeny ( 20,618 herdmates) born to ≥3rd parity dam
50.3% progeny (50.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.0%, FR: 19.9%, JE: 5.7%, NR: 1.1%, OTHER: 2.8%	HO: 69.0%, FR: 18.9%, JE: 5.0%, NR: 1.1%, OTHER: 2.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.7% 2.9%	6.5% 2.7% 2.8%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	821 Days 1135 Days 2132 Days	746 Days 1135 Days 2133 Days

55 total progeny records from 25 contemporary groups

( 1,092 herdmate records from 25 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 54.7%, FR: 23.7%, JE: 11.6%, NR: 2.4%, OTHER: 4.3%	HO: 63.6%, FR: 23.2%, JE: 4.3%, NR: 1.1%, OTHER: 2.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	26.5% 21.2% 18.8%	20.3% 19.5% 20%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 39.2kg 40.4kg	40.9kg 40.5kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	826 Days 1138 Days 2125 Days	789 Days 1170 Days 2190 Days

67 total progeny records from 7 contemporary groups

( 555 herdmate records from 7 contemporary groups)