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 5.5% 2.5%	91% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	90% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.6%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.7%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-2.89 days	99%
May 2025	Gestation (Days between conception and birth)	-2.91 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.54	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.54	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.28%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.22%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.5%	91% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.5%	90% 96%
Sep 2025	Birth Size	21.6%	89%
May 2025	Birth Size	21.7%	89%
Sep 2025	Birth Weight	41.7 kg	91%
May 2025	Birth Weight	41.6 kg	91%
Sep 2025	Gest	-2.89 days	99%
May 2025	Gest	-2.91 days	99%
Sep 2025	Mort	-0.54	99%
May 2025	Mort	-0.54	99%
Sep 2025	Maternal Calving Difficulty	4.28%	91%
May 2025	Maternal Calving Difficulty	4.22%	89%

1,100 total progeny records from 254 dairy contemporary groups

( 13,405 herdmate records from 254 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 86.0%, FR: 12.1%, JE: 0.6%, NR: 0.1%, OTHER: 0.3%	HO: 82.6%, FR: 13.2%, JE: 1.8%, NR: 0.3%, OTHER: 0.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.7% 2.7%	6.6% 2.7% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	756 Days 1139 Days 2170 Days	765 Days 1140 Days 2185 Days

37 total progeny records from 12 contemporary groups

( 608 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 87.8%, FR: 11.5%, JE: 0.0%, NR: 0.0%, OTHER: 0.4%	HO: 86.4%, FR: 12.0%, JE: 0.1%, NR: 0.1%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 20.1% 20.4%	20.3% 19.8% 19.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.4kg 41.4kg 40.9kg	41.2kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	729 Days 1137 Days 2098 Days	740 Days 1131 Days 2143 Days

40 total progeny records from 7 contemporary groups

( 513 herdmate records from 7 contemporary groups)