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 6.4% 2.3%	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 6.5% 2.3%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.8%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.7%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-3.71 days	99%
May 2025	Gestation (Days between conception and birth)	-3.74 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.64	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.70	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.15%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.14%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.3%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.5% 2.3%	98% 99%
Sep 2025	Birth Size	23.8%	93%
May 2025	Birth Size	23.7%	93%
Sep 2025	Birth Weight	40.7 kg	91%
May 2025	Birth Weight	40.7 kg	91%
Sep 2025	Gest	-3.71 days	99%
May 2025	Gest	-3.74 days	99%
Sep 2025	Mort	-0.64	99%
May 2025	Mort	-0.70	99%
Sep 2025	Maternal Calving Difficulty	5.15%	98%
May 2025	Maternal Calving Difficulty	5.14%	98%

2,919 total progeny records from 533 dairy contemporary groups

( 30,745 herdmate records from 528 dairy contemporary groups)

449 progeny ( 2,427 herdmates) born to heifers
653 progeny ( 7,427 herdmates) born to 2nd parity dam
1,817 progeny ( 20,891 herdmates) born to ≥3rd parity dam
50.4% progeny (50.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.6%, FR: 22.1%, JE: 4.7%, NR: 1.1%, OTHER: 2.7%	HO: 66.4%, FR: 22.1%, JE: 4.8%, NR: 1.3%, OTHER: 2.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.7%	6.5% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1136 Days 2242 Days	745 Days 1130 Days 2176 Days

28 total progeny records from 11 contemporary groups

( 814 herdmate records from 11 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 65.1%, FR: 27.5%, JE: 1.2%, NR: 1.3%, OTHER: 1.8%	HO: 69.7%, FR: 23.4%, JE: 1.3%, NR: 1.2%, OTHER: 2.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.1% 19.7% 20.6%	19% 19.2% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.2kg 41.2kg 41.8kg	40.8kg 41.1kg 41.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	736 Days 1180 Days 2114 Days	758 Days 1125 Days 2227 Days

20 total progeny records from 5 contemporary groups

( 365 herdmate records from 5 contemporary groups)