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 7.5% 2.9%	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 7.6% 2.9%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.1%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.3%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	98%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	98%
Sep 2025	Gestation (Days between conception and birth)	-3.95 days	99%
May 2025	Gestation (Days between conception and birth)	-3.96 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	0.09	99%
May 2025	Mortality (Calves dead at or soon after birth)	0.12	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.60%	96%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	96%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.5% 2.9%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.6% 2.9%	98% 99%
Sep 2025	Birth Size	22.1%	98%
May 2025	Birth Size	22.3%	98%
Sep 2025	Birth Weight	41.1 kg	98%
May 2025	Birth Weight	41.2 kg	98%
Sep 2025	Gest	-3.95 days	99%
May 2025	Gest	-3.96 days	99%
Sep 2025	Mort	0.09	99%
May 2025	Mort	0.12	99%
Sep 2025	Maternal Calving Difficulty	4.60%	96%
May 2025	Maternal Calving Difficulty	4.53%	96%

6,625 total progeny records from 1,268 dairy contemporary groups

( 91,120 herdmate records from 1,263 dairy contemporary groups)

916 progeny ( 8,261 herdmates) born to heifers
1,794 progeny ( 20,842 herdmates) born to 2nd parity dam
3,915 progeny ( 62,017 herdmates) born to ≥3rd parity dam
41% progeny (47.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 62.3%, FR: 29.4%, JE: 4.9%, NR: 0.7%, OTHER: 1.0%	HO: 63.0%, FR: 27.9%, JE: 5.7%, NR: 0.7%, OTHER: 1.1%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.6% 2.6%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	740 Days 1104 Days 2102 Days	738 Days 1113 Days 2195 Days

486 total progeny records from 104 contemporary groups

( 7,688 herdmate records from 104 contemporary groups)

74 progeny ( 1,670 herdmates) born to heifers
105 progeny ( 1,577 herdmates) born to 2nd parity dam
307 progeny ( 4,441 herdmates) born to ≥3rd parity dam
44.7% progeny (47.6% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.3%, FR: 28.0%, JE: 4.0%, NR: 0.5%, OTHER: 0.6%	HO: 66.1%, FR: 26.5%, JE: 3.9%, NR: 0.8%, OTHER: 0.7%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.2% 19.6% 19.3%	19% 19.1% 19.2%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.2kg 40.6kg 40.6kg	40.5kg 40.7kg 40.6kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1107 Days 2134 Days	745 Days 1113 Days 2160 Days

277 total progeny records from 43 contemporary groups

( 4,536 herdmate records from 43 contemporary groups)