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 7.8% 2.9%	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	Moderate 7.9% 3.0%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.9 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-2.36 days	99%
May 2025	Gestation (Days between conception and birth)	-2.37 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.37	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.42	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.76%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 2.9%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.0%	98% 99%
Sep 2025	Birth Size	23.0%	96%
May 2025	Birth Size	23.0%	96%
Sep 2025	Birth Weight	41.8 kg	94%
May 2025	Birth Weight	41.9 kg	94%
Sep 2025	Gest	-2.36 days	99%
May 2025	Gest	-2.37 days	99%
Sep 2025	Mort	-0.37	99%
May 2025	Mort	-0.42	99%
Sep 2025	Maternal Calving Difficulty	4.77%	98%
May 2025	Maternal Calving Difficulty	4.76%	98%

1,828 total progeny records from 626 dairy contemporary groups

( 19,016 herdmate records from 610 dairy contemporary groups)

232 progeny ( 1,597 herdmates) born to heifers
537 progeny ( 5,561 herdmates) born to 2nd parity dam
1,059 progeny ( 11,858 herdmates) born to ≥3rd parity dam
44% progeny (48.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 90.0%, FR: 7.4%, JE: 0.3%, NR: 0.2%, OTHER: 0.7%	HO: 85.9%, FR: 9.9%, JE: 1.0%, NR: 0.1%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.7% 3.1% 3.2%	7.6% 3% 3.1%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	826 Days 1200 Days 2204 Days	793 Days 1191 Days 2178 Days

67 total progeny records from 33 contemporary groups

( 1,681 herdmate records from 32 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 89.4%, FR: 8.2%, JE: 0.0%, NR: 0.0%, OTHER: 1.3%	HO: 80.5%, FR: 17.0%, JE: 0.8%, NR: 0.1%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.5% 20.8% 22.7%	21.5% 21.4% 21.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.5kg 41.7kg	0kg 41.7kg 41.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1161 Days 2161 Days	789 Days 1162 Days 2140 Days

27 total progeny records from 6 contemporary groups

( 370 herdmate records from 6 contemporary groups)