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 5.5% 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 5.4% 2.4%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	15.7%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	15.6%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.8 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	39.9 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.77 days	99%
May 2025	Gestation (Days between conception and birth)	-4.78 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.35	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.50%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.34%	92%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.4%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.4% 2.4%	98% 99%
Sep 2025	Birth Size	15.7%	97%
May 2025	Birth Size	15.6%	97%
Sep 2025	Birth Weight	39.8 kg	95%
May 2025	Birth Weight	39.9 kg	95%
Sep 2025	Gest	-4.77 days	99%
May 2025	Gest	-4.78 days	99%
Sep 2025	Mort	-0.34	99%
May 2025	Mort	-0.35	99%
Sep 2025	Maternal Calving Difficulty	5.50%	92%
May 2025	Maternal Calving Difficulty	5.34%	92%

3,763 total progeny records from 1,023 dairy contemporary groups

( 64,828 herdmate records from 1,020 dairy contemporary groups)

893 progeny ( 6,421 herdmates) born to heifers
711 progeny ( 14,517 herdmates) born to 2nd parity dam
2,159 progeny ( 43,890 herdmates) born to ≥3rd parity dam
36.3% progeny (47.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.5%, FR: 21.1%, JE: 4.4%, NR: 0.4%, OTHER: 0.9%	HO: 70.6%, FR: 21.2%, JE: 4.9%, NR: 0.6%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.6%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	735 Days 1109 Days 2169 Days	743 Days 1120 Days 2200 Days

243 total progeny records from 72 contemporary groups

( 4,560 herdmate records from 72 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.4%, FR: 21.3%, JE: 2.7%, NR: 0.5%, OTHER: 0.9%	HO: 71.2%, FR: 21.2%, JE: 3.8%, NR: 0.5%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.6% 18.8% 18.8%	18.8% 18.7% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 40.7kg 40.8kg	40.7kg 40.7kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	751 Days 1100 Days 2104 Days	754 Days 1115 Days 2163 Days

115 total progeny records from 28 contemporary groups

( 2,666 herdmate records from 28 contemporary groups)