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 6.2% 2.5%	73% ( High) 93% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	71% 92%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	74%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.0%	74%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	79%
May 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	78%
Sep 2025	Gestation (Days between conception and birth)	-3.72 days	98%
May 2025	Gestation (Days between conception and birth)	-3.65 days	97%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.20	98%
May 2025	Mortality (Calves dead at or soon after birth)	-0.34	97%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.76%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.71%	78%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	73% ( High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.2% 2.5%	71% 92%
Sep 2025	Birth Size	18.0%	74%
May 2025	Birth Size	18.0%	74%
Sep 2025	Birth Weight	41.2 kg	79%
May 2025	Birth Weight	41.3 kg	78%
Sep 2025	Gest	-3.72 days	98%
May 2025	Gest	-3.65 days	97%
Sep 2025	Mort	-0.20	98%
May 2025	Mort	-0.34	97%
Sep 2025	Maternal Calving Difficulty	4.76%	79%
May 2025	Maternal Calving Difficulty	4.71%	78%

285 total progeny records from 70 dairy contemporary groups

( 7,817 herdmate records from 70 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.4%, FR: 21.5%, JE: 4.6%, NR: 0.2%, OTHER: 0.3%	HO: 69.7%, FR: 20.9%, JE: 7.1%, NR: 0.4%, OTHER: 0.6%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.4%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1104 Days 2129 Days	744 Days 1109 Days 2151 Days

6 total progeny records from 2 contemporary groups

( 87 herdmate records from 2 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.3%, FR: 22.1%, JE: 4.6%, NR: 0.0%, OTHER: 0.6%	HO: 69.2%, FR: 21.7%, JE: 7.2%, NR: 0.3%, OTHER: 0.8%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 17.1% 16.1%	0% 19.6% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40kg 40.3kg 41.2kg	40.2kg 40.4kg 40.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1093 Days 2404 Days	741 Days 1113 Days 2165 Days

9 total progeny records from 3 contemporary groups

( 490 herdmate records from 3 contemporary groups)