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 5.9% 2.4%	87% ( V High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	87% 94%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.1%	93%
May 2025	Birth Size (Progeny expected to be born large or extra large)	16.7%	92%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.8 kg	90%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	89%
Sep 2025	Gestation (Days between conception and birth)	-4.44 days	98%
May 2025	Gestation (Days between conception and birth)	-4.40 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.57	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.57	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.69%	80%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	3.66%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	87% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.4%	87% 94%
Sep 2025	Birth Size	17.1%	93%
May 2025	Birth Size	16.7%	92%
Sep 2025	Birth Weight	40.8 kg	90%
May 2025	Birth Weight	41.3 kg	89%
Sep 2025	Gest	-4.44 days	98%
May 2025	Gest	-4.40 days	98%
Sep 2025	Mort	-0.57	98%
May 2025	Mort	-0.57	98%
Sep 2025	Maternal Calving Difficulty	3.69%	80%
May 2025	Maternal Calving Difficulty	3.66%	79%

469 total progeny records from 160 dairy contemporary groups

( 12,922 herdmate records from 160 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.7%, FR: 20.9%, JE: 1.8%, NR: 0.1%, OTHER: 0.4%	HO: 73.4%, FR: 21.8%, JE: 2.9%, NR: 0.4%, OTHER: 0.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	5.9% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1103 Days 2036 Days	738 Days 1114 Days 2175 Days

76 total progeny records from 21 contemporary groups

( 1,794 herdmate records from 21 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 74.2%, FR: 22.1%, JE: 2.4%, NR: 0.3%, OTHER: 0.4%	HO: 72.0%, FR: 24.0%, JE: 1.8%, NR: 0.3%, OTHER: 0.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17% 18.9% 18.6%	18.7% 19.1% 18.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.6kg 41kg 41.3kg	40.9kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1104 Days 1992 Days	750 Days 1113 Days 2108 Days

33 total progeny records from 9 contemporary groups

( 1,043 herdmate records from 9 contemporary groups)