Date of Evaluation Trait PTA Reliability
Jul 2021 Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4)
  • Risk of Dairy Calving Difficulty:
  • Dairy Heifers
  • Dairy Cows

Low
6.9%
2.7%


99% (V High)
98% (V High)
Jul 2021 Birth Size (Progeny expected to be born large or extra large) 21.1% 98%
Jul 2021 Birth Weight (Expected progeny birth weight) 41.4 kg 98%
Jul 2021 Gestation (Days between conception and birth) -3.16 days 99%
Jul 2021 Mortality (Calves dead at or soon after birth) -0.48 99%
Jul 2021 Maternal Calving Difficulty (Births Requiring Considerable Assistance; % 3 & 4) 5.12% 93%


16,172 total progeny records from 2,553 dairy contemporary groups
( 137,767 herdmate records from 2,534 dairy contemporary groups)
  • 681 progeny ( 5,211 herdmates) born to heifers
  • 3,976 progeny ( 35,764 herdmates) born to 2nd parity dam
  • 11,515 progeny ( 96,792 herdmates) born to ≥3rd parity dam
  • 51.5% progeny (51.3% herdmates) were males
  • Dam Info
734 total progeny records from 143 contemporary groups
( 8,141 herdmate records from 143 contemporary groups)
  • 38 progeny ( 1,987 herdmates) born to heifers
  • 188 progeny ( 1,727 herdmates) born to 2nd parity dam
  • 508 progeny ( 4,427 herdmates) born to ≥3rd parity dam
  • 51.4% progeny (49.1% herdmates) were males
  • Dam Info
449 total progeny records from 72 contemporary groups
( 5,217 herdmate records from 72 contemporary groups)
  • 11 progeny ( 1,184 herdmates) born to heifers
  • 119 progeny ( 1,141 herdmates) born to 2nd parity dam
  • 319 progeny ( 2,892 herdmates) born to ≥3rd parity dam
  • 49.4% progeny (47.7% herdmates) were males
  • Dam Info