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 5.6% 2.4%	90% ( 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 5.8% 2.4%	90% 93%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.0%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.2%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	82%
May 2025	Birth Weight (Expected progeny birth weight)	42.3 kg	83%
Sep 2025	Gestation (Days between conception and birth)	-3.82 days	99%
May 2025	Gestation (Days between conception and birth)	-3.80 days	98%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	98%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.07%	79%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.05%	79%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.4%	90% ( V High) 93% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	90% 93%
Sep 2025	Birth Size	17.0%	91%
May 2025	Birth Size	17.2%	91%
Sep 2025	Birth Weight	42.3 kg	82%
May 2025	Birth Weight	42.3 kg	83%
Sep 2025	Gest	-3.82 days	99%
May 2025	Gest	-3.80 days	98%
Sep 2025	Mort	-0.35	99%
May 2025	Mort	-0.31	98%
Sep 2025	Maternal Calving Difficulty	5.07%	79%
May 2025	Maternal Calving Difficulty	5.05%	79%

649 total progeny records from 151 dairy contemporary groups

( 8,215 herdmate records from 151 dairy contemporary groups)

159 progeny ( 1,273 herdmates) born to heifers
169 progeny ( 1,911 herdmates) born to 2nd parity dam
321 progeny ( 5,031 herdmates) born to ≥3rd parity dam
27.9% progeny (42.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 85.2%, FR: 10.9%, JE: 0.9%, NR: 0.4%, OTHER: 1.0%	HO: 81.0%, FR: 12.8%, JE: 1.4%, NR: 0.5%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.8% 2.7%	6.6% 2.8% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	741 Days 1130 Days 2049 Days	755 Days 1137 Days 2163 Days

58 total progeny records from 9 contemporary groups

( 1,064 herdmate records from 9 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 79.5%, FR: 17.2%, JE: 0.2%, NR: 1.3%, OTHER: 1.5%	HO: 72.6%, FR: 25.1%, JE: 0.4%, NR: 0.4%, OTHER: 0.4%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.9% 18.8% 19.7%	19.8% 20.4% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	42kg 41.7kg 0kg	42kg 42.2kg 0kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1100 Days 1894 Days	741 Days 1118 Days 2148 Days

17 total progeny records from 3 contemporary groups

( 110 herdmate records from 3 contemporary groups)