Page 15 - Ranui Catalogue 2021 ebook
P. 15

Higher EBVs indicate fewer  calving difficulties in 2 year   old heifers. Higher EBVs indicate fewer  calving difficulties in 2 year   old heifers.  Lower EBVs indicate  shorter gestation length.  Lower EBVs indicate   ligh








 UNDERSTANDING estimated breeding values (ebvs)


















 unassisted from 2 year old heifers. Genetic differences in the ability of a sire’s calves to be born  Genetic differences in the ability of a sire’s daughters to calve  unassisted at 2 years of age. Genetic differences betw

















 %  %  days  kg  kg  kg  of age.  kg  of age.  kg  years of age.  kg  days  cm  kg  cm 2  mm  mm  %  %  kg/  day  %  score  heel).  score  claws).  $  $  $  $

 CEDir  CEDtrs  Birth  GL  BW  200   Day  400   Day  600   Day  Growth  MCW  Milk  DtC  Fertility  SS  CWT  EMA  Rib   Fat  P8 Fat  Carcase  RBY  IMF  NFI-F  Other  Doc  Foot  Angle  Claw   Structure  Set  ABI  DOM  Selectio










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