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 5.3% 2.1%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.1%	91% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	13.3%	90%
May 2025	Birth Size (Progeny expected to be born large or extra large)	13.2%	90%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.3 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.76 days	99%
May 2025	Gestation (Days between conception and birth)	-4.74 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.46	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.48	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.03%	84%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.95%	84%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.1%	91% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.3% 2.1%	91% 95%
Sep 2025	Birth Size	13.3%	90%
May 2025	Birth Size	13.2%	90%
Sep 2025	Birth Weight	40.3 kg	95%
May 2025	Birth Weight	40.5 kg	95%
Sep 2025	Gest	-4.76 days	99%
May 2025	Gest	-4.74 days	99%
Sep 2025	Mort	-0.46	99%
May 2025	Mort	-0.48	99%
Sep 2025	Maternal Calving Difficulty	5.03%	84%
May 2025	Maternal Calving Difficulty	4.95%	84%

842 total progeny records from 200 dairy contemporary groups

( 17,342 herdmate records from 199 dairy contemporary groups)

157 progeny ( 2,032 herdmates) born to heifers
227 progeny ( 3,921 herdmates) born to 2nd parity dam
458 progeny ( 11,389 herdmates) born to ≥3rd parity dam
51.5% progeny (48.4% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.1%, FR: 23.9%, JE: 5.0%, NR: 0.6%, OTHER: 0.6%	HO: 69.4%, FR: 23.5%, JE: 4.8%, NR: 0.6%, OTHER: 0.7%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.5% 2.4%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	726 Days 1105 Days 2119 Days	733 Days 1108 Days 2175 Days

44 total progeny records from 12 contemporary groups

( 1,563 herdmate records from 12 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.5%, FR: 25.4%, JE: 2.5%, NR: 0.3%, OTHER: 0.5%	HO: 68.6%, FR: 22.8%, JE: 5.9%, NR: 0.6%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.1% 19.9% 18.6%	18.5% 19.2% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.9kg 41.1kg 40.8kg	40.5kg 40.7kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	722 Days 1093 Days 2181 Days	739 Days 1115 Days 2161 Days

107 total progeny records from 16 contemporary groups

( 2,164 herdmate records from 16 contemporary groups)