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 8.1% 2.9%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.2% 3.0%	92% 96%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	20.7%	91%
May 2025	Birth Size (Progeny expected to be born large or extra large)	21.5%	91%
Sep 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	93%
May 2025	Birth Weight (Expected progeny birth weight)	40.6 kg	93%
Sep 2025	Gestation (Days between conception and birth)	-3.72 days	99%
May 2025	Gestation (Days between conception and birth)	-3.71 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.44	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.43	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.89%	92%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.87%	91%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.1% 2.9%	92% ( V High) 96% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Moderate 8.2% 3.0%	92% 96%
Sep 2025	Birth Size	20.7%	91%
May 2025	Birth Size	21.5%	91%
Sep 2025	Birth Weight	40.6 kg	93%
May 2025	Birth Weight	40.6 kg	93%
Sep 2025	Gest	-3.72 days	99%
May 2025	Gest	-3.71 days	99%
Sep 2025	Mort	-0.44	99%
May 2025	Mort	-0.43	99%
Sep 2025	Maternal Calving Difficulty	4.89%	92%
May 2025	Maternal Calving Difficulty	4.87%	91%

826 total progeny records from 196 dairy contemporary groups

( 20,450 herdmate records from 195 dairy contemporary groups)

54 progeny ( 1,275 herdmates) born to heifers
255 progeny ( 4,871 herdmates) born to 2nd parity dam
517 progeny ( 14,304 herdmates) born to ≥3rd parity dam
52.7% progeny (50.5% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 64.7%, FR: 22.0%, JE: 10.2%, NR: 0.7%, OTHER: 0.9%	HO: 63.7%, FR: 21.8%, JE: 11.0%, NR: 0.7%, OTHER: 1.0%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.1% 2.5% 2.5%	5.8% 2.5% 2.5%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	742 Days 1104 Days 2055 Days	738 Days 1110 Days 2167 Days

45 total progeny records from 15 contemporary groups

( 1,227 herdmate records from 15 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.1%, FR: 23.5%, JE: 6.3%, NR: 0.4%, OTHER: 1.4%	HO: 64.6%, FR: 22.5%, JE: 9.7%, NR: 0.7%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.7% 18.2% 19%	16.6% 17.8% 17.7%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	39.5kg 41.4kg 41.1kg	40.2kg 40.2kg 40.4kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	761 Days 1109 Days 2011 Days	735 Days 1105 Days 2102 Days

43 total progeny records from 7 contemporary groups

( 1,371 herdmate records from 7 contemporary groups)