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 6.1% 2.5%	86% ( 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 6.0% 2.4%	84% 95%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.5%	87%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.5%	87%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	87%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	87%
Sep 2025	Gestation (Days between conception and birth)	-3.35 days	98%
May 2025	Gestation (Days between conception and birth)	-3.31 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.21	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.21	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.87%	80%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.92%	80%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.1% 2.5%	86% ( V High) 95% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.4%	84% 95%
Sep 2025	Birth Size	19.5%	87%
May 2025	Birth Size	19.5%	87%
Sep 2025	Birth Weight	40.7 kg	87%
May 2025	Birth Weight	40.7 kg	87%
Sep 2025	Gest	-3.35 days	98%
May 2025	Gest	-3.31 days	98%
Sep 2025	Mort	-0.21	98%
May 2025	Mort	-0.21	98%
Sep 2025	Maternal Calving Difficulty	4.87%	80%
May 2025	Maternal Calving Difficulty	4.92%	80%

350 total progeny records from 106 dairy contemporary groups

( 3,689 herdmate records from 104 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 77.5%, FR: 14.8%, JE: 2.0%, NR: 0.1%, OTHER: 4.0%	HO: 71.2%, FR: 16.8%, JE: 2.1%, NR: 0.4%, OTHER: 6.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.8% 2.9% 2.9%	6.7% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	791 Days 1181 Days 2143 Days	787 Days 1164 Days 2214 Days

34 total progeny records from 10 contemporary groups

( 533 herdmate records from 10 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 78.1%, FR: 15.1%, JE: 0.3%, NR: 0.0%, OTHER: 4.8%	HO: 69.1%, FR: 21.4%, JE: 0.6%, NR: 0.1%, OTHER: 6.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.4% 22.4% 21.8%	21.8% 20.5% 21.5%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.8kg 40.3kg 41.4kg	40.8kg 40.8kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	718 Days 1143 Days 1938 Days	781 Days 1134 Days 2200 Days

21 total progeny records from 5 contemporary groups

( 369 herdmate records from 5 contemporary groups)