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 5.8% 2.4%	98% ( V High) 99% ( 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%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	96%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.5 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.66 days	99%
May 2025	Gestation (Days between conception and birth)	-4.67 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.40	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.47	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.35%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.32%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.8% 2.4%	98% 99%
Sep 2025	Birth Size	19.1%	96%
May 2025	Birth Size	18.9%	96%
Sep 2025	Birth Weight	41.5 kg	94%
May 2025	Birth Weight	41.6 kg	94%
Sep 2025	Gest	-4.66 days	99%
May 2025	Gest	-4.67 days	99%
Sep 2025	Mort	-0.40	99%
May 2025	Mort	-0.47	99%
Sep 2025	Maternal Calving Difficulty	4.35%	99%
May 2025	Maternal Calving Difficulty	4.32%	99%

4,409 total progeny records from 1,086 dairy contemporary groups

( 37,749 herdmate records from 1,073 dairy contemporary groups)

275 progeny ( 1,487 herdmates) born to heifers
1,214 progeny ( 10,032 herdmates) born to 2nd parity dam
2,920 progeny ( 26,230 herdmates) born to ≥3rd parity dam
48.5% progeny (50.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 50.9%, FR: 42.3%, JE: 0.6%, NR: 0.2%, OTHER: 1.1%	HO: 50.1%, FR: 41.4%, JE: 1.4%, NR: 0.7%, OTHER: 2.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	7.3% 2.9% 3%	7.3% 2.8% 3%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	824 Days 1159 Days 2197 Days	791 Days 1156 Days 2225 Days

35 total progeny records from 14 contemporary groups

( 569 herdmate records from 14 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 60.2%, FR: 34.3%, JE: 0.0%, NR: 0.0%, OTHER: 1.4%	HO: 52.0%, FR: 41.8%, JE: 1.0%, NR: 0.1%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0% 21.7% 23.7%	0% 21.6% 22.1%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.5kg 41.2kg 42kg	41.3kg 41.3kg 41.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	730 Days 1104 Days 2247 Days	743 Days 1125 Days 2282 Days

72 total progeny records from 15 contemporary groups

( 1,063 herdmate records from 15 contemporary groups)