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 6.3% 2.5%	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	Low 6.3% 2.5%	97% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	17.6%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	17.5%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	94%
May 2025	Birth Weight (Expected progeny birth weight)	40.7 kg	94%
Sep 2025	Gestation (Days between conception and birth)	-4.35 days	99%
May 2025	Gestation (Days between conception and birth)	-4.34 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.45	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.44	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.89%	91%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.69%	90%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.5%	97% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.5%	97% 99%
Sep 2025	Birth Size	17.6%	97%
May 2025	Birth Size	17.5%	97%
Sep 2025	Birth Weight	40.6 kg	94%
May 2025	Birth Weight	40.7 kg	94%
Sep 2025	Gest	-4.35 days	99%
May 2025	Gest	-4.34 days	99%
Sep 2025	Mort	-0.45	99%
May 2025	Mort	-0.44	99%
Sep 2025	Maternal Calving Difficulty	4.89%	91%
May 2025	Maternal Calving Difficulty	4.69%	90%

4,250 total progeny records from 1,064 dairy contemporary groups

( 76,612 herdmate records from 1,062 dairy contemporary groups)

611 progeny ( 5,143 herdmates) born to heifers
1,034 progeny ( 17,592 herdmates) born to 2nd parity dam
2,605 progeny ( 53,877 herdmates) born to ≥3rd parity dam
43.2% progeny (48.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.2%, FR: 20.4%, JE: 3.5%, NR: 0.6%, OTHER: 0.8%	HO: 71.6%, FR: 20.6%, JE: 4.3%, NR: 0.8%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.5% 2.5%	6.3% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1111 Days 2142 Days	745 Days 1115 Days 2211 Days

207 total progeny records from 76 contemporary groups

( 5,781 herdmate records from 76 contemporary groups)

31 progeny ( 1,145 herdmates) born to heifers
41 progeny ( 1,168 herdmates) born to 2nd parity dam
135 progeny ( 3,468 herdmates) born to ≥3rd parity dam
44% progeny (47.7% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.4%, FR: 24.6%, JE: 1.9%, NR: 0.4%, OTHER: 1.1%	HO: 72.8%, FR: 22.0%, JE: 1.6%, NR: 0.8%, OTHER: 1.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.3% 18.9% 18.6%	18.4% 19.1% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.5kg 40.5kg 41kg	40.9kg 41kg 41kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	738 Days 1103 Days 2192 Days	743 Days 1112 Days 2220 Days

60 total progeny records from 17 contemporary groups

( 1,595 herdmate records from 17 contemporary groups)