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 7.8% 3.3%	98% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.3%	98% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.8%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	93%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.5 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	42.5 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-1.98 days	99%
May 2025	Gestation (Days between conception and birth)	-1.99 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.58	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.54	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.46%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.42%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.8% 3.3%	98% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.3%	98% 98%
Sep 2025	Birth Size	19.8%	93%
May 2025	Birth Size	19.4%	93%
Sep 2025	Birth Weight	42.5 kg	93%
May 2025	Birth Weight	42.5 kg	93%
Sep 2025	Gest	-1.98 days	99%
May 2025	Gest	-1.99 days	99%
Sep 2025	Mort	0.58	99%
May 2025	Mort	0.54	99%
Sep 2025	Maternal Calving Difficulty	5.46%	97%
May 2025	Maternal Calving Difficulty	5.42%	97%

1,738 total progeny records from 546 dairy contemporary groups

( 16,931 herdmate records from 539 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 80.9%, FR: 13.6%, JE: 0.4%, NR: 0.3%, OTHER: 2.8%	HO: 76.7%, FR: 16.4%, JE: 0.9%, NR: 0.2%, OTHER: 3.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.5% 3.1% 3.1%	7.3% 3% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	791 Days 1175 Days 2166 Days	782 Days 1170 Days 2186 Days

42 total progeny records from 19 contemporary groups

( 477 herdmate records from 19 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 89.8%, FR: 5.3%, JE: 0.0%, NR: 0.8%, OTHER: 2.2%	HO: 87.1%, FR: 6.7%, JE: 1.3%, NR: 0.1%, OTHER: 2.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	23.7% 22.9% 20%	22.1% 21.2% 22%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42.5kg 42.7kg 41.8kg	42kg 42.2kg 42.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	758 Days 1149 Days 2129 Days	778 Days 1180 Days 2073 Days

30 total progeny records from 13 contemporary groups

( 354 herdmate records from 13 contemporary groups)