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 7.9% 3.0%	77% ( High) 92% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 2.9%	78% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.2%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	83%
Sep 2025	Gestation (Days between conception and birth)	-3.33 days	96%
May 2025	Gestation (Days between conception and birth)	-3.33 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.02	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.01	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.58%	80%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.51%	80%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.9% 3.0%	77% ( High) 92% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 2.9%	78% 92%
Sep 2025	Birth Size	23.0%	89%
May 2025	Birth Size	23.2%	89%
Sep 2025	Birth Weight	42.3 kg	82%
May 2025	Birth Weight	42.3 kg	83%
Sep 2025	Gest	-3.33 days	96%
May 2025	Gest	-3.33 days	96%
Sep 2025	Mort	0.02	96%
May 2025	Mort	-0.01	96%
Sep 2025	Maternal Calving Difficulty	4.58%	80%
May 2025	Maternal Calving Difficulty	4.51%	80%

259 total progeny records from 73 dairy contemporary groups

( 7,672 herdmate records from 73 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.6%, FR: 20.0%, JE: 4.3%, NR: 1.2%, OTHER: 1.3%	HO: 69.6%, FR: 19.8%, JE: 6.9%, NR: 1.0%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.4%	6.2% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	724 Days 1098 Days 2166 Days	744 Days 1116 Days 2201 Days

39 total progeny records from 14 contemporary groups

( 1,078 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.4%, FR: 20.7%, JE: 3.1%, NR: 0.2%, OTHER: 0.9%	HO: 71.8%, FR: 20.8%, JE: 4.4%, NR: 1.4%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.6% 20.7% 18%	17.8% 18% 17.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.8kg 0kg 41kg	41.2kg 0kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	724 Days 1097 Days 2055 Days	744 Days 1121 Days 2212 Days

13 total progeny records from 3 contemporary groups

( 581 herdmate records from 3 contemporary groups)