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%	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 6.4% 2.5%	98% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	18.8%	97%
May 2025	Birth Size (Progeny expected to be born large or extra large)	18.9%	97%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.0 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.1 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-2.23 days	99%
May 2025	Gestation (Days between conception and birth)	-2.23 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.65	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.68	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.73%	98%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.74%	98%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.5%	98% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.4% 2.5%	98% 99%
Sep 2025	Birth Size	18.8%	97%
May 2025	Birth Size	18.9%	97%
Sep 2025	Birth Weight	40.0 kg	95%
May 2025	Birth Weight	40.1 kg	95%
Sep 2025	Gest	-2.23 days	99%
May 2025	Gest	-2.23 days	99%
Sep 2025	Mort	-0.65	99%
May 2025	Mort	-0.68	99%
Sep 2025	Maternal Calving Difficulty	4.73%	98%
May 2025	Maternal Calving Difficulty	4.74%	98%

4,215 total progeny records from 945 dairy contemporary groups

( 58,956 herdmate records from 938 dairy contemporary groups)

522 progeny ( 3,881 herdmates) born to heifers
1,145 progeny ( 13,833 herdmates) born to 2nd parity dam
2,548 progeny ( 41,242 herdmates) born to ≥3rd parity dam
44.8% progeny (48.3% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.8%, FR: 20.2%, JE: 3.5%, NR: 0.5%, OTHER: 1.4%	HO: 72.0%, FR: 20.2%, JE: 4.1%, NR: 0.7%, OTHER: 1.4%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.5% 2.6%	6.2% 2.6% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	768 Days 1131 Days 2141 Days	753 Days 1123 Days 2194 Days

227 total progeny records from 60 contemporary groups

( 4,380 herdmate records from 60 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.6%, FR: 20.3%, JE: 3.9%, NR: 0.8%, OTHER: 1.5%	HO: 71.0%, FR: 18.8%, JE: 5.9%, NR: 1.3%, OTHER: 1.6%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.9% 18.7% 18.7%	18.3% 18.7% 18.8%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 41kg 40.6kg	40.4kg 40.5kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	745 Days 1105 Days 2232 Days	744 Days 1118 Days 2226 Days

112 total progeny records from 27 contemporary groups

( 2,923 herdmate records from 27 contemporary groups)