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 4.2% 2.0%	99% ( 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 4.2% 2.0%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	9.6%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	9.3%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	38.5 kg	96%
May 2025	Birth Weight (Expected progeny birth weight)	38.5 kg	96%
Sep 2025	Gestation (Days between conception and birth)	-2.82 days	99%
May 2025	Gestation (Days between conception and birth)	-2.83 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.53	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.97%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.92%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.2% 2.0%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.2% 2.0%	99% 99%
Sep 2025	Birth Size	9.6%	95%
May 2025	Birth Size	9.3%	95%
Sep 2025	Birth Weight	38.5 kg	96%
May 2025	Birth Weight	38.5 kg	96%
Sep 2025	Gest	-2.82 days	99%
May 2025	Gest	-2.83 days	99%
Sep 2025	Mort	-0.47	99%
May 2025	Mort	-0.53	99%
Sep 2025	Maternal Calving Difficulty	5.97%	98%
May 2025	Maternal Calving Difficulty	5.92%	98%

2,375 total progeny records from 699 dairy contemporary groups

( 23,466 herdmate records from 692 dairy contemporary groups)

1,163 progeny ( 5,006 herdmates) born to heifers
404 progeny ( 5,651 herdmates) born to 2nd parity dam
808 progeny ( 12,809 herdmates) born to ≥3rd parity dam
43.9% progeny (50.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.4%, FR: 29.1%, JE: 1.6%, NR: 0.4%, OTHER: 2.1%	HO: 63.0%, FR: 27.1%, JE: 2.9%, NR: 0.7%, OTHER: 2.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7% 2.9% 3%	6.9% 2.8% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1144 Days 2098 Days	757 Days 1134 Days 2130 Days

18 total progeny records from 8 contemporary groups

( 522 herdmate records from 8 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 50.4%, FR: 40.5%, JE: 3.8%, NR: 2.5%, OTHER: 0.3%	HO: 61.1%, FR: 25.7%, JE: 6.2%, NR: 2.0%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	21.4% 20.3% 11.6%	20.2% 18.6% 21.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 41.7kg 41.5kg	40.9kg 41kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1116 Days 2232 Days	744 Days 1121 Days 2071 Days

74 total progeny records from 18 contemporary groups

( 1,643 herdmate records from 18 contemporary groups)