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 5.5% 2.2%	68% ( High) 84% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.2%	67% 83%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.9%	73%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.6%	73%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.5 kg	81%
May 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	81%
Sep 2025	Gestation (Days between conception and birth)	-5.76 days	92%
May 2025	Gestation (Days between conception and birth)	-5.79 days	92%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.67	92%
May 2025	Mortality (Calves dead at or soon after birth)	-0.78	92%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.93%	71%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.86%	70%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.2%	68% ( High) 84% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.2%	67% 83%
Sep 2025	Birth Size	15.9%	73%
May 2025	Birth Size	15.6%	73%
Sep 2025	Birth Weight	39.5 kg	81%
May 2025	Birth Weight	39.7 kg	81%
Sep 2025	Gest	-5.76 days	92%
May 2025	Gest	-5.79 days	92%
Sep 2025	Mort	-0.67	92%
May 2025	Mort	-0.78	92%
Sep 2025	Maternal Calving Difficulty	4.93%	71%
May 2025	Maternal Calving Difficulty	4.86%	70%

64 total progeny records from 22 dairy contemporary groups

( 2,392 herdmate records from 22 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 68.2%, FR: 22.5%, JE: 6.3%, NR: 0.1%, OTHER: 1.7%	HO: 68.3%, FR: 21.7%, JE: 5.4%, NR: 0.6%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.5% 2.5%	6.1% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	739 Days 1117 Days 2190 Days	731 Days 1110 Days 2206 Days

3 total progeny records from 1 contemporary groups

( 123 herdmate records from 1 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.7%, FR: 26.8%, JE: 4.4%, NR: 0.0%, OTHER: 0.5%	HO: 68.9%, FR: 24.2%, JE: 2.2%, NR: 0.1%, OTHER: 3.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 16% 20.6%	0% 19.4% 19.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 40.6kg 40.5kg	0kg 41.1kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0 Days 1110 Days 2059 Days	0 Days 1109 Days 2191 Days

9 total progeny records from 4 contemporary groups

( 625 herdmate records from 4 contemporary groups)