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 6.4% 2.5%	99% ( 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% 2.5%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	19.4%	98%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.3%	98%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.1 kg	97%
May 2025	Birth Weight (Expected progeny birth weight)	41.2 kg	97%
Sep 2025	Gestation (Days between conception and birth)	-4.48 days	99%
May 2025	Gestation (Days between conception and birth)	-4.50 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.57	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.61	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.03%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.97%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.5%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.5%	99% 99%
Sep 2025	Birth Size	19.4%	98%
May 2025	Birth Size	19.3%	98%
Sep 2025	Birth Weight	41.1 kg	97%
May 2025	Birth Weight	41.2 kg	97%
Sep 2025	Gest	-4.48 days	99%
May 2025	Gest	-4.50 days	99%
Sep 2025	Mort	-0.57	99%
May 2025	Mort	-0.61	99%
Sep 2025	Maternal Calving Difficulty	5.03%	99%
May 2025	Maternal Calving Difficulty	4.97%	99%

6,003 total progeny records from 1,408 dairy contemporary groups

( 92,635 herdmate records from 1,403 dairy contemporary groups)

829 progeny ( 7,017 herdmates) born to heifers
1,439 progeny ( 22,287 herdmates) born to 2nd parity dam
3,735 progeny ( 63,331 herdmates) born to ≥3rd parity dam
44.7% progeny (50.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 69.4%, FR: 20.8%, JE: 5.1%, NR: 0.9%, OTHER: 1.5%	HO: 68.3%, FR: 20.9%, JE: 5.9%, NR: 0.9%, OTHER: 1.7%
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	750 Days 1123 Days 2128 Days	744 Days 1125 Days 2172 Days

376 total progeny records from 86 contemporary groups

( 5,492 herdmate records from 85 contemporary groups)

81 progeny ( 1,124 herdmates) born to heifers
64 progeny ( 1,196 herdmates) born to 2nd parity dam
231 progeny ( 3,172 herdmates) born to ≥3rd parity dam
45.2% progeny (49.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.3%, FR: 22.6%, JE: 3.6%, NR: 1.2%, OTHER: 1.5%	HO: 69.6%, FR: 22.2%, JE: 3.0%, NR: 0.8%, OTHER: 1.3%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19% 19.1% 20.1%	18.4% 18.9% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41.2kg 40.9kg 41kg	41kg 40.9kg 41.1kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1154 Days 2153 Days	749 Days 1129 Days 2198 Days

210 total progeny records from 38 contemporary groups

( 2,850 herdmate records from 38 contemporary groups)