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 6.3% 2.9%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.9%	99% 99%
Sep 2025	Birth Size (Progeny expected to be born large or extra large)	22.6%	99%
May 2025	Birth Size (Progeny expected to be born large or extra large)	22.7%	99%
Sep 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	99%
May 2025	Birth Weight (Expected progeny birth weight)	41.6 kg	99%
Sep 2025	Gestation (Days between conception and birth)	-0.78 days	99%
May 2025	Gestation (Days between conception and birth)	-0.86 days	99%
Sep 2025	Mortality (Calves dead at or soon after birth)	-0.25	99%
May 2025	Mortality (Calves dead at or soon after birth)	-0.31	99%
Sep 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.56%	99%
May 2025	Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)	4.53%	99%

Date of Evaluation	Trait	PTA	Rel. %
Sep 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.9%	99% ( V High) 99% ( V High)
May 2025	Calving Difficulty Risk of Dairy Calving Difficulty: Dairy Heifers Dairy Cows	Low 6.3% 2.9%	99% 99%
Sep 2025	Birth Size	22.6%	99%
May 2025	Birth Size	22.7%	99%
Sep 2025	Birth Weight	41.6 kg	99%
May 2025	Birth Weight	41.6 kg	99%
Sep 2025	Gest	-0.78 days	99%
May 2025	Gest	-0.86 days	99%
Sep 2025	Mort	-0.25	99%
May 2025	Mort	-0.31	99%
Sep 2025	Maternal Calving Difficulty	4.56%	99%
May 2025	Maternal Calving Difficulty	4.53%	99%

21,671 total progeny records from 3,509 dairy contemporary groups

( 166,152 herdmate records from 3,459 dairy contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 63.8%, FR: 25.8%, JE: 4.7%, NR: 0.8%, OTHER: 1.8%	HO: 63.3%, FR: 25.2%, JE: 5.4%, NR: 1.1%, OTHER: 2.2%
Average Calving Difficulty PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	6.6% 2.7% 2.8%	6.6% 2.6% 2.7%
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	767 Days 1138 Days 2129 Days	756 Days 1131 Days 2138 Days

286 total progeny records from 69 contemporary groups

( 4,148 herdmate records from 69 contemporary groups)

	Dams	Herdmates of Dams
Breed Fraction	HO: 67.3%, FR: 23.8%, JE: 4.3%, NR: 1.3%, OTHER: 1.3%	HO: 63.7%, FR: 23.1%, JE: 7.8%, NR: 1.5%, OTHER: 1.2%
Average Birth Size PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	20.1% 18.7% 20.2%	19.5% 19.1% 19.9%
Average Birth Weight PTA 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	40.2kg 41.1kg 41.2kg	40.6kg 40.5kg 40.7kg
Average Age at Calving 1st Parity Dam 2nd Parity Dam 3rd Parity Dam	768 Days 1130 Days 2060 Days	740 Days 1117 Days 2086 Days

576 total progeny records from 81 contemporary groups

( 6,916 herdmate records from 81 contemporary groups)

69 progeny ( 1,897 herdmates) born to heifers
142 progeny ( 1,546 herdmates) born to 2nd parity dam
365 progeny ( 3,473 herdmates) born to ≥3rd parity dam
48.1% progeny (48.4% herdmates) were males
Dam Info