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 5.4% 2.1%	96% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.2%	96% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.3%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.8%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-4.42 days	99%
May 2025	Gestation (Days between conception and birth)	-4.43 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.50	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.53	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.77%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.74%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.1%	96% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.2%	96% 96%
Sep 2025	Birth Size	17.3%	91%
May 2025	Birth Size	16.8%	91%
Sep 2025	Birth Weight	40.5 kg	93%
May 2025	Birth Weight	40.5 kg	93%
Sep 2025	Gest	-4.42 days	99%
May 2025	Gest	-4.43 days	99%
Sep 2025	Mort	-0.50	99%
May 2025	Mort	-0.53	99%
Sep 2025	Maternal Calving Difficulty	4.77%	94%
May 2025	Maternal Calving Difficulty	4.74%	94%

1,025 total progeny records from 343 dairy contemporary groups

( 15,302 herdmate records from 341 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.6%, FR: 19.6%, JE: 2.1%, NR: 0.5%, OTHER: 1.3%	HO: 73.7%, FR: 19.7%, JE: 2.5%, NR: 0.6%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.7% 2.7%	6.4% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	787 Days 1162 Days 2206 Days	787 Days 1152 Days 2166 Days

29 total progeny records from 16 contemporary groups

( 1,083 herdmate records from 16 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.4%, FR: 17.4%, JE: 2.5%, NR: 4.9%, OTHER: 1.1%	HO: 68.6%, FR: 21.5%, JE: 2.4%, NR: 2.8%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.1% 21.6% 21.2%	18.5% 19.3% 19.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 41kg 40.7kg	40.9kg 40.9kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	863 Days 1132 Days 2309 Days	779 Days 1154 Days 2127 Days

35 total progeny records from 8 contemporary groups

( 630 herdmate records from 8 contemporary groups)