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 5.2% 2.0%	96% ( 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 5.1% 2.0%	96% 98%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	14.5%	95%
May 2025	Birth Size (Progeny expected to be born large or extra large)	14.7%	95%
Sep 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	95%
May 2025	Birth Weight (Expected progeny birth weight)	39.7 kg	95%
Sep 2025	Gestation (Days between conception and birth)	-4.82 days	99%
May 2025	Gestation (Days between conception and birth)	-4.82 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.24	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.29	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.16%	97%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	5.13%	97%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.2% 2.0%	96% ( V High) 98% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 5.1% 2.0%	96% 98%
Sep 2025	Birth Size	14.5%	95%
May 2025	Birth Size	14.7%	95%
Sep 2025	Birth Weight	39.7 kg	95%
May 2025	Birth Weight	39.7 kg	95%
Sep 2025	Gest	-4.82 days	99%
May 2025	Gest	-4.82 days	99%
Sep 2025	Mort	-0.24	99%
May 2025	Mort	-0.29	99%
Sep 2025	Maternal Calving Difficulty	5.16%	97%
May 2025	Maternal Calving Difficulty	5.13%	97%

1,929 total progeny records from 434 dairy contemporary groups

( 29,472 herdmate records from 431 dairy contemporary groups)

260 progeny ( 2,055 herdmates) born to heifers
484 progeny ( 7,942 herdmates) born to 2nd parity dam
1,185 progeny ( 19,475 herdmates) born to ≥3rd parity dam
55.5% progeny (51.9% herdmates) were males
Dam Info

	Dams	Herdmates of Dams
Breed Fraction	HO: 70.5%, FR: 19.1%, JE: 6.6%, NR: 0.7%, OTHER: 1.3%	HO: 70.6%, FR: 19.2%, JE: 6.4%, NR: 0.7%, OTHER: 1.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.3% 2.6% 2.6%	6.1% 2.5% 2.6%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	747 Days 1129 Days 2071 Days	739 Days 1123 Days 2103 Days

70 total progeny records from 21 contemporary groups

( 1,405 herdmate records from 21 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 66.7%, FR: 19.9%, JE: 10.5%, NR: 0.4%, OTHER: 0.9%	HO: 69.3%, FR: 19.6%, JE: 6.2%, NR: 1.1%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	18.2% 17.2% 17.7%	18% 18.6% 18%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	41kg 42kg 40.5kg	40.8kg 41kg 40.9kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	853 Days 1088 Days 1935 Days	743 Days 1113 Days 2102 Days

42 total progeny records from 13 contemporary groups

( 1,173 herdmate records from 13 contemporary groups)