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 7.5% 2.9%	82% ( V High) 94% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.9%	82% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.3%	77%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.3%	77%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	83%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	82%
Sep 2025	Gestation (Days between conception and birth)	-2.64 days	92%
May 2025	Gestation (Days between conception and birth)	-2.65 days	92%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.39	92%
May 2025	Mortality (Calves dead at or soon after birth)	-0.38	92%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.32%	86%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.23%	83%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 2.9%	82% ( V High) 94% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 2.9%	82% 92%
Sep 2025	Birth Size	21.3%	77%
May 2025	Birth Size	21.3%	77%
Sep 2025	Birth Weight	40.5 kg	83%
May 2025	Birth Weight	40.6 kg	82%
Sep 2025	Gest	-2.64 days	92%
May 2025	Gest	-2.65 days	92%
Sep 2025	Mort	-0.39	92%
May 2025	Mort	-0.38	92%
Sep 2025	Maternal Calving Difficulty	4.32%	86%
May 2025	Maternal Calving Difficulty	4.23%	83%

157 total progeny records from 74 dairy contemporary groups

( 2,411 herdmate records from 74 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.8%, FR: 9.8%, JE: 0.2%, NR: 0.2%, OTHER: 1.8%	HO: 83.6%, FR: 11.5%, JE: 0.4%, NR: 0.2%, OTHER: 3.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.5% 3% 3%	7.6% 2.9% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	758 Days 1190 Days 2230 Days	809 Days 1201 Days 2141 Days

9 total progeny records from 6 contemporary groups

( 157 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.6%, FR: 10.0%, JE: 0.0%, NR: 0.0%, OTHER: 1.7%	HO: 70.2%, FR: 13.7%, JE: 0.1%, NR: 0.5%, OTHER: 13.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	22.3% 19% 25.4%	23.2% 23.7% 23%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.8kg 42.1kg	0kg 42.2kg 42.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	791 Days 1537 Days 2359 Days	768 Days 1193 Days 2110 Days

12 total progeny records from 5 contemporary groups

( 205 herdmate records from 5 contemporary groups)