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	High 8.5% 2.8%	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	High 8.5% 2.8%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.4%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.1%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.7 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	42.7 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-3.24 days	99%
May 2025	Gestation (Days between conception and birth)	-3.26 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.69	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.75	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.50%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 8.5% 2.8%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 8.5% 2.8%	97% 99%
Sep 2025	Birth Size	22.4%	95%
May 2025	Birth Size	22.1%	95%
Sep 2025	Birth Weight	42.7 kg	95%
May 2025	Birth Weight	42.7 kg	95%
Sep 2025	Gest	-3.24 days	99%
May 2025	Gest	-3.26 days	99%
Sep 2025	Mort	-0.69	99%
May 2025	Mort	-0.75	99%
Sep 2025	Maternal Calving Difficulty	4.53%	99%
May 2025	Maternal Calving Difficulty	4.50%	98%

3,008 total progeny records from 651 dairy contemporary groups

( 32,610 herdmate records from 645 dairy contemporary groups)

264 progeny ( 1,714 herdmates) born to heifers
792 progeny ( 8,696 herdmates) born to 2nd parity dam
1,952 progeny ( 22,200 herdmates) born to ≥3rd parity dam
50.7% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.1%, FR: 23.5%, JE: 3.5%, NR: 0.4%, OTHER: 1.2%	HO: 66.1%, FR: 24.4%, JE: 4.5%, NR: 0.6%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.9% 2.7% 2.8%	6.7% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	778 Days 1148 Days 2082 Days	773 Days 1134 Days 2159 Days

41 total progeny records from 14 contemporary groups

( 935 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.6%, FR: 28.6%, JE: 0.6%, NR: 0.9%, OTHER: 3.6%	HO: 61.5%, FR: 29.6%, JE: 5.3%, NR: 0.3%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 18.2% 19.6%	0% 17.9% 17.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.6kg 41.9kg	0kg 41.3kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1109 Days 2021 Days	0 Days 1127 Days 2143 Days

48 total progeny records from 9 contemporary groups

( 813 herdmate records from 9 contemporary groups)