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 7.4% 2.8%	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 7.4% 2.8%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.4%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.5 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.71 days	99%
May 2025	Gestation (Days between conception and birth)	-4.72 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.33	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.34	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.01%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.01%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.8%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.4% 2.8%	98% 99%
Sep 2025	Birth Size	20.6%	98%
May 2025	Birth Size	20.4%	98%
Sep 2025	Birth Weight	40.5 kg	95%
May 2025	Birth Weight	40.6 kg	95%
Sep 2025	Gest	-4.71 days	99%
May 2025	Gest	-4.72 days	99%
Sep 2025	Mort	-0.33	99%
May 2025	Mort	-0.34	99%
Sep 2025	Maternal Calving Difficulty	5.01%	97%
May 2025	Maternal Calving Difficulty	5.01%	97%

4,842 total progeny records from 1,372 dairy contemporary groups

( 94,437 herdmate records from 1,366 dairy contemporary groups)

624 progeny ( 6,699 herdmates) born to heifers
1,147 progeny ( 22,358 herdmates) born to 2nd parity dam
3,071 progeny ( 65,380 herdmates) born to ≥3rd parity dam
46.4% progeny (49.1% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.1%, FR: 21.7%, JE: 4.8%, NR: 0.5%, OTHER: 1.0%	HO: 69.1%, FR: 21.7%, JE: 5.3%, NR: 0.7%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.4% 2.5% 2.6%	6.3% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1112 Days 2127 Days	740 Days 1118 Days 2175 Days

314 total progeny records from 107 contemporary groups

( 7,125 herdmate records from 107 contemporary groups)

29 progeny ( 1,554 herdmates) born to heifers
84 progeny ( 1,470 herdmates) born to 2nd parity dam
201 progeny ( 4,101 herdmates) born to ≥3rd parity dam
44.3% progeny (46.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.0%, FR: 21.7%, JE: 6.0%, NR: 0.6%, OTHER: 0.7%	HO: 69.1%, FR: 21.4%, JE: 5.7%, NR: 0.9%, OTHER: 1.1%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	17.6% 17.9% 18.7%	18.3% 18.6% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.3kg 40.8kg 40.8kg	40.7kg 40.5kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1117 Days 2168 Days	739 Days 1117 Days 2187 Days

117 total progeny records from 27 contemporary groups

( 3,114 herdmate records from 27 contemporary groups)