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 5.6% 2.6%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.6%	95% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	96%
May 2025	Birth Size (Progeny expected to be born large or extra large)	19.7%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	40.4 kg	95%
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)	-0.49	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.49	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.60%	87%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.52%	87%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.6% 2.6%	95% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.5% 2.6%	95% 98%
Sep 2025	Birth Size	20.6%	96%
May 2025	Birth Size	19.7%	95%
Sep 2025	Birth Weight	40.4 kg	95%
May 2025	Birth Weight	40.4 kg	95%
Sep 2025	Gest	-5.44 days	99%
May 2025	Gest	-5.44 days	99%
Sep 2025	Mort	-0.49	99%
May 2025	Mort	-0.49	99%
Sep 2025	Maternal Calving Difficulty	4.60%	87%
May 2025	Maternal Calving Difficulty	4.52%	87%

2,064 total progeny records from 534 dairy contemporary groups

( 42,507 herdmate records from 533 dairy contemporary groups)

363 progeny ( 3,989 herdmates) born to heifers
523 progeny ( 9,846 herdmates) born to 2nd parity dam
1,178 progeny ( 28,672 herdmates) born to ≥3rd parity dam
42.3% progeny (46.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.1%, FR: 23.5%, JE: 3.5%, NR: 0.6%, OTHER: 1.1%	HO: 68.3%, FR: 23.2%, JE: 5.2%, NR: 0.9%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6.1% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	734 Days 1106 Days 2046 Days	741 Days 1112 Days 2192 Days

143 total progeny records from 43 contemporary groups

( 4,012 herdmate records from 43 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 73.4%, FR: 22.4%, JE: 2.3%, NR: 0.4%, OTHER: 0.9%	HO: 72.2%, FR: 21.0%, JE: 5.1%, NR: 0.4%, OTHER: 0.5%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.7% 18.2% 18.8%	17.9% 18.1% 18.4%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.7kg 40.7kg 40.7kg	40.4kg 40.4kg 40.5kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	733 Days 1111 Days 1975 Days	745 Days 1118 Days 2165 Days

125 total progeny records from 24 contemporary groups

( 2,485 herdmate records from 24 contemporary groups)