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	Moderate 7.7% 3.0%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.0%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	24.6%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	24.7%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-3.96 days	99%
May 2025	Gestation (Days between conception and birth)	-3.98 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.23	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.86%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.83%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.0%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.7% 3.0%	97% 99%
Sep 2025	Birth Size	24.6%	97%
May 2025	Birth Size	24.7%	97%
Sep 2025	Birth Weight	41.6 kg	97%
May 2025	Birth Weight	41.7 kg	97%
Sep 2025	Gest	-3.96 days	99%
May 2025	Gest	-3.98 days	99%
Sep 2025	Mort	-0.23	99%
May 2025	Mort	-0.26	99%
Sep 2025	Maternal Calving Difficulty	4.86%	92%
May 2025	Maternal Calving Difficulty	4.83%	92%

4,343 total progeny records from 1,133 dairy contemporary groups

( 72,203 herdmate records from 1,128 dairy contemporary groups)

629 progeny ( 4,917 herdmates) born to heifers
958 progeny ( 16,756 herdmates) born to 2nd parity dam
2,756 progeny ( 50,530 herdmates) born to ≥3rd parity dam
42.4% progeny (48.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 76.5%, FR: 19.2%, JE: 1.8%, NR: 0.3%, OTHER: 0.7%	HO: 74.4%, FR: 20.6%, JE: 2.1%, NR: 0.4%, OTHER: 0.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.6% 2.6%	6.4% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	753 Days 1125 Days 2126 Days	756 Days 1123 Days 2205 Days

353 total progeny records from 92 contemporary groups

( 7,018 herdmate records from 92 contemporary groups)

61 progeny ( 1,525 herdmates) born to heifers
60 progeny ( 1,286 herdmates) born to 2nd parity dam
232 progeny ( 4,207 herdmates) born to ≥3rd parity dam
46.5% progeny (49.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 75.6%, FR: 20.5%, JE: 1.5%, NR: 0.3%, OTHER: 0.7%	HO: 71.9%, FR: 24.2%, JE: 1.3%, NR: 0.3%, OTHER: 0.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.8% 19.4% 19.4%	19.3% 19.1% 19.3%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 41.3kg 41.1kg	41kg 41.1kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	748 Days 1112 Days 2084 Days	745 Days 1117 Days 2193 Days

189 total progeny records from 40 contemporary groups

( 4,183 herdmate records from 40 contemporary groups)