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 5.4% 2.3%	93% ( V High) 91% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.3%	93% 91%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.3%	89%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	89%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	89%
May 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	88%
Sep 2025	Gestation (Days between conception and birth)	-4.34 days	97%
May 2025	Gestation (Days between conception and birth)	-4.33 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.27	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.20%	84%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.14%	84%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.3%	93% ( V High) 91% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.3%	93% 91%
Sep 2025	Birth Size	19.3%	89%
May 2025	Birth Size	18.8%	89%
Sep 2025	Birth Weight	39.7 kg	89%
May 2025	Birth Weight	39.8 kg	88%
Sep 2025	Gest	-4.34 days	97%
May 2025	Gest	-4.33 days	97%
Sep 2025	Mort	-0.27	97%
May 2025	Mort	-0.31	97%
Sep 2025	Maternal Calving Difficulty	5.20%	84%
May 2025	Maternal Calving Difficulty	5.14%	84%

246 total progeny records from 67 dairy contemporary groups

( 3,545 herdmate records from 66 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.2%, FR: 19.9%, JE: 2.4%, NR: 0.3%, OTHER: 1.9%	HO: 76.3%, FR: 18.0%, JE: 1.7%, NR: 0.1%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.5% 2.6%	6.7% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	777 Days 1124 Days 2000 Days	757 Days 1125 Days 2083 Days

30 total progeny records from 5 contemporary groups

( 631 herdmate records from 5 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.3%, FR: 16.2%, JE: 1.4%, NR: 0.4%, OTHER: 2.8%	HO: 73.6%, FR: 20.6%, JE: 1.2%, NR: 0.1%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	16.8% 20.5% 20.7%	19.4% 19.5% 20.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.1kg 40.7kg 41.1kg	41.4kg 41.3kg 41.2kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1082 Days 1899 Days	744 Days 1107 Days 2069 Days

19 total progeny records from 4 contemporary groups

( 371 herdmate records from 4 contemporary groups)