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% 2.6%	95% ( 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 6.4% 2.6%	95% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.1%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.0%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.9 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-2.61 days	99%
May 2025	Gestation (Days between conception and birth)	-2.63 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.26	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.93%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.91%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.6%	95% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.6%	95% 99%
Sep 2025	Birth Size	19.1%	95%
May 2025	Birth Size	19.0%	95%
Sep 2025	Birth Weight	40.9 kg	93%
May 2025	Birth Weight	40.9 kg	93%
Sep 2025	Gest	-2.61 days	99%
May 2025	Gest	-2.63 days	99%
Sep 2025	Mort	-0.26	99%
May 2025	Mort	-0.31	99%
Sep 2025	Maternal Calving Difficulty	5.93%	97%
May 2025	Maternal Calving Difficulty	5.91%	97%

2,477 total progeny records from 470 dairy contemporary groups

( 35,643 herdmate records from 469 dairy contemporary groups)

99 progeny ( 1,246 herdmates) born to heifers
600 progeny ( 9,057 herdmates) born to 2nd parity dam
1,778 progeny ( 25,340 herdmates) born to ≥3rd parity dam
50.8% progeny (51.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.7%, FR: 25.7%, JE: 5.6%, NR: 0.9%, OTHER: 1.1%	HO: 65.5%, FR: 25.0%, JE: 5.8%, NR: 0.8%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1124 Days 2119 Days	736 Days 1114 Days 2152 Days

65 total progeny records from 21 contemporary groups

( 1,199 herdmate records from 21 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 71.0%, FR: 25.5%, JE: 1.5%, NR: 0.0%, OTHER: 0.3%	HO: 73.6%, FR: 22.0%, JE: 2.3%, NR: 0.1%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 18.9% 21.2%	19.7% 19.3% 20.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	0kg 41.2kg 40.6kg	0kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	731 Days 1139 Days 2202 Days	746 Days 1130 Days 2203 Days

36 total progeny records from 9 contemporary groups

( 671 herdmate records from 9 contemporary groups)