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	High* 6.8% 2.7%	69% ( High) 82% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High* 6.9% 2.8%	70% 82%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.8%	80%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.7%	81%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.4 kg	62%
May 2025	Birth Weight (Expected progeny birth weight)	42.6 kg	62%
Sep 2025	Gestation (Days between conception and birth)	-1.37 days	96%
May 2025	Gestation (Days between conception and birth)	-1.36 days	96%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.33	96%
May 2025	Mortality (Calves dead at or soon after birth)	-0.32	96%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.79%	71%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.84%	71%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High* 6.8% 2.7%	69% ( High) 82% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High* 6.9% 2.8%	70% 82%
Sep 2025	Birth Size	17.8%	80%
May 2025	Birth Size	17.7%	81%
Sep 2025	Birth Weight	42.4 kg	62%
May 2025	Birth Weight	42.6 kg	62%
Sep 2025	Gest	-1.37 days	96%
May 2025	Gest	-1.36 days	96%
Sep 2025	Mort	-0.33	96%
May 2025	Mort	-0.32	96%
Sep 2025	Maternal Calving Difficulty	4.79%	71%
May 2025	Maternal Calving Difficulty	4.84%	71%

148 total progeny records from 87 dairy contemporary groups

( 4,092 herdmate records from 86 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 42.5%, FR: 15.7%, JE: 2.3%, NR: 3.3%, OTHER: 5.3%	HO: 64.3%, FR: 24.4%, JE: 3.2%, NR: 0.6%, OTHER: 2.9%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.7% 2.9% 2.9%	6.4% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	785 Days 1196 Days 2354 Days	762 Days 1138 Days 2246 Days

16 total progeny records from 11 contemporary groups

( 637 herdmate records from 11 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 58.2%, FR: 11.8%, JE: 2.1%, NR: 0.7%, OTHER: 1.6%	HO: 74.2%, FR: 18.4%, JE: 2.0%, NR: 0.4%, OTHER: 1.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	11.6% 21.5% 21.1%	19.6% 18.8% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	43.2kg 0kg 42.2kg	41.1kg 0kg 41.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	865 Days 1122 Days 2156 Days	750 Days 1108 Days 2175 Days

3 total progeny records from 2 contemporary groups

( 149 herdmate records from 2 contemporary groups)