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 5.9% 2.6%	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 6.0% 2.6%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	21.1%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.5%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.2 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-5.44 days	99%
May 2025	Gestation (Days between conception and birth)	-5.44 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.52	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.55	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.25%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.26%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.9% 2.6%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.0% 2.6%	98% 99%
Sep 2025	Birth Size	21.1%	97%
May 2025	Birth Size	21.5%	97%
Sep 2025	Birth Weight	40.2 kg	97%
May 2025	Birth Weight	40.4 kg	97%
Sep 2025	Gest	-5.44 days	99%
May 2025	Gest	-5.44 days	99%
Sep 2025	Mort	-0.52	99%
May 2025	Mort	-0.55	99%
Sep 2025	Maternal Calving Difficulty	5.25%	98%
May 2025	Maternal Calving Difficulty	5.26%	98%

3,943 total progeny records from 706 dairy contemporary groups

( 53,752 herdmate records from 703 dairy contemporary groups)

500 progeny ( 3,288 herdmates) born to heifers
886 progeny ( 12,196 herdmates) born to 2nd parity dam
2,557 progeny ( 38,268 herdmates) born to ≥3rd parity dam
37% progeny (48.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.9%, FR: 21.8%, JE: 6.6%, NR: 0.8%, OTHER: 1.7%	HO: 66.2%, FR: 21.9%, JE: 7.0%, NR: 1.0%, OTHER: 1.8%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.6%	6% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	732 Days 1110 Days 2095 Days	738 Days 1116 Days 2213 Days

141 total progeny records from 41 contemporary groups

( 2,504 herdmate records from 41 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.5%, FR: 26.1%, JE: 5.8%, NR: 1.3%, OTHER: 1.6%	HO: 66.2%, FR: 23.7%, JE: 5.4%, NR: 0.9%, OTHER: 2.0%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 19.6% 18.7%	18.9% 19% 19.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.1kg 40.2kg 40.8kg	40.6kg 40.6kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	718 Days 1106 Days 2091 Days	736 Days 1110 Days 2209 Days

163 total progeny records from 30 contemporary groups

( 2,847 herdmate records from 30 contemporary groups)