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 4.7% 2.1%	90% ( 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 4.7% 2.1%	90% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	14.0%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.6%	88%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.4 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-4.33 days	99%
May 2025	Gestation (Days between conception and birth)	-4.32 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.62	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.67	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.51%	89%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.50%	89%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.7% 2.1%	90% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 4.7% 2.1%	90% 96%
Sep 2025	Birth Size	14.0%	89%
May 2025	Birth Size	13.6%	88%
Sep 2025	Birth Weight	39.4 kg	90%
May 2025	Birth Weight	39.5 kg	89%
Sep 2025	Gest	-4.33 days	99%
May 2025	Gest	-4.32 days	99%
Sep 2025	Mort	-0.62	99%
May 2025	Mort	-0.67	99%
Sep 2025	Maternal Calving Difficulty	4.51%	89%
May 2025	Maternal Calving Difficulty	4.50%	89%

571 total progeny records from 184 dairy contemporary groups

( 14,318 herdmate records from 184 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.8%, FR: 20.3%, JE: 4.5%, NR: 0.3%, OTHER: 1.1%	HO: 67.7%, FR: 21.3%, JE: 6.7%, NR: 0.8%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6% 2.6% 2.5%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	746 Days 1123 Days 2139 Days	747 Days 1114 Days 2195 Days

31 total progeny records from 14 contemporary groups

( 1,042 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.9%, FR: 19.3%, JE: 3.8%, NR: 0.3%, OTHER: 0.4%	HO: 70.6%, FR: 21.1%, JE: 4.7%, NR: 0.8%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.8% 19.2% 17.9%	18.3% 18% 18.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 40.9kg 40.7kg	40.9kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	770 Days 1117 Days 2029 Days	738 Days 1112 Days 2186 Days

28 total progeny records from 8 contemporary groups

( 823 herdmate records from 8 contemporary groups)