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 10.5% 4.0%	56% ( Average) 88% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.1% 4.2%	39% 86%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	28.8%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	29.6%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	44.0 kg	55%
May 2025	Birth Weight (Expected progeny birth weight)	44.3 kg	53%
Sep 2025	Gestation (Days between conception and birth)	3.22 days	97%
May 2025	Gestation (Days between conception and birth)	3.32 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.33	97%
May 2025	Mortality (Calves dead at or soon after birth)	-0.37	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.22%	68%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.15%	66%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 10.5% 4.0%	56% ( Average) 88% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	High 11.1% 4.2%	39% 86%
Sep 2025	Birth Size	28.8%	93%
May 2025	Birth Size	29.6%	92%
Sep 2025	Birth Weight	44.0 kg	55%
May 2025	Birth Weight	44.3 kg	53%
Sep 2025	Gest	3.22 days	97%
May 2025	Gest	3.32 days	97%
Sep 2025	Mort	-0.33	97%
May 2025	Mort	-0.37	97%
Sep 2025	Maternal Calving Difficulty	3.22%	68%
May 2025	Maternal Calving Difficulty	3.15%	66%

253 total progeny records from 33 dairy contemporary groups

( 1,790 herdmate records from 33 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 31.9%, FR: 9.4%, JE: 1.2%, NR: 1.3%, OTHER: 4.2%	HO: 49.9%, FR: 16.2%, JE: 2.3%, NR: 1.3%, OTHER: 6.3%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	10.8% 3.5% 3.2%	10.3% 3.2% 2.9%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	825 Days 1126 Days 2085 Days	889 Days 1126 Days 2218 Days

77 total progeny records from 6 contemporary groups

( 276 herdmate records from 6 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 27.0%, FR: 7.4%, JE: 1.6%, NR: 0.2%, OTHER: 1.8%	HO: 19.5%, FR: 7.1%, JE: 6.5%, NR: 0.6%, OTHER: 4.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	28.3% 22.1% 22.4%	23.1% 25.8% 24.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 0kg 42.5kg	0kg 0kg 41.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	824 Days 1136 Days 1969 Days	780 Days 1125 Days 2098 Days

3 total progeny records from 1 contemporary groups

( 41 herdmate records from 1 contemporary groups)