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 7.2% 2.7%	94% ( 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 7.3% 2.7%	94% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	20.6%	94%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.3 kg	91%
May 2025	Birth Weight (Expected progeny birth weight)	41.4 kg	91%
Sep 2025	Gestation (Days between conception and birth)	-5.58 days	99%
May 2025	Gestation (Days between conception and birth)	-5.59 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.59	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.63	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.37%	94%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.38%	94%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.2% 2.7%	94% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 7.3% 2.7%	94% 98%
Sep 2025	Birth Size	20.7%	95%
May 2025	Birth Size	20.6%	94%
Sep 2025	Birth Weight	41.3 kg	91%
May 2025	Birth Weight	41.4 kg	91%
Sep 2025	Gest	-5.58 days	99%
May 2025	Gest	-5.59 days	99%
Sep 2025	Mort	-0.59	99%
May 2025	Mort	-0.63	99%
Sep 2025	Maternal Calving Difficulty	5.37%	94%
May 2025	Maternal Calving Difficulty	5.38%	94%

1,349 total progeny records from 353 dairy contemporary groups

( 27,889 herdmate records from 353 dairy contemporary groups)

71 progeny ( 1,140 herdmates) born to heifers
323 progeny ( 6,562 herdmates) born to 2nd parity dam
955 progeny ( 20,187 herdmates) born to ≥3rd parity dam
52.6% progeny (50.8% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 72.9%, FR: 18.7%, JE: 3.8%, NR: 0.7%, OTHER: 1.5%	HO: 70.7%, FR: 20.1%, JE: 4.6%, NR: 0.9%, OTHER: 1.5%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.5% 2.6% 2.6%	6.2% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	757 Days 1121 Days 2077 Days	737 Days 1121 Days 2208 Days

84 total progeny records from 30 contemporary groups

( 1,788 herdmate records from 30 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.6%, FR: 20.2%, JE: 2.7%, NR: 1.1%, OTHER: 2.6%	HO: 68.6%, FR: 21.7%, JE: 4.8%, NR: 0.8%, OTHER: 1.9%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	19.4% 18.4% 19.3%	19.1% 19% 19.6%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.8kg 41.5kg 40.9kg	40.3kg 40.5kg 40.8kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	789 Days 1138 Days 2180 Days	747 Days 1130 Days 2207 Days

31 total progeny records from 13 contemporary groups

( 1,500 herdmate records from 13 contemporary groups)