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	Moderate 7.4% 3.0%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 3.0%	93% 97%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	23.0%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.7 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	41.8 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-2.86 days	99%
May 2025	Gestation (Days between conception and birth)	-2.85 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.53	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.64	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.69%	95%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.79%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.4% 3.0%	94% ( V High) 97% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 7.5% 3.0%	93% 97%
Sep 2025	Birth Size	23.0%	95%
May 2025	Birth Size	23.0%	95%
Sep 2025	Birth Weight	41.7 kg	93%
May 2025	Birth Weight	41.8 kg	93%
Sep 2025	Gest	-2.86 days	99%
May 2025	Gest	-2.85 days	99%
Sep 2025	Mort	-0.53	99%
May 2025	Mort	-0.64	99%
Sep 2025	Maternal Calving Difficulty	4.69%	95%
May 2025	Maternal Calving Difficulty	4.79%	94%

1,456 total progeny records from 346 dairy contemporary groups

( 33,992 herdmate records from 346 dairy contemporary groups)

170 progeny ( 2,193 herdmates) born to heifers
303 progeny ( 8,038 herdmates) born to 2nd parity dam
983 progeny ( 23,761 herdmates) born to ≥3rd parity dam
52.7% progeny (50.2% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.4%, FR: 21.4%, JE: 7.4%, NR: 1.1%, OTHER: 1.8%	HO: 65.8%, FR: 22.4%, JE: 8.3%, NR: 0.7%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.2% 2.5% 2.5%	6% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	737 Days 1111 Days 2135 Days	739 Days 1114 Days 2145 Days

97 total progeny records from 24 contemporary groups

( 2,110 herdmate records from 24 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.1%, FR: 22.4%, JE: 4.4%, NR: 2.2%, OTHER: 1.9%	HO: 66.0%, FR: 23.1%, JE: 7.0%, NR: 0.8%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.3% 20.1% 19.1%	18.7% 19.1% 19%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.4kg 40.2kg 40.8kg	40.4kg 40.3kg 40.3kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	727 Days 1113 Days 2276 Days	735 Days 1117 Days 2157 Days

76 total progeny records from 15 contemporary groups

( 1,933 herdmate records from 15 contemporary groups)