Page 39 - Tapiri Angus 2021 Catalogue ebook
P. 39

Docility  EBV  (%)  is  an  estimate  of  the  genetic  differences  between
       animals in temperament. Docility EBVs are expressed as differences in the
       percentage of progeny that will be scored with acceptable temperament (ie.
       either “docile” or “restless”).
       Accuracy  (%)  is  based  on  the  amount  of  performance  information
       available  on  the  animal  and  its close  relatives -  particularly  the  number
       of progeny analysed. Accuracy is also based on the heritability of the trait
       and  the genetic correlations  with other recorded  traits. Hence  accuracy
       indicates the “confidence level” of the EBV. The higher the accuracy value
       the lower the likelihood of change in the animal’s EBV as more information
       is analysed for that animal or its relatives. Even though an EBV with a low
       accuracy may change in the future, it is still the best estimate of an animal’s
       genetic merit for that trait. As more information becomes available, an EBV
       is just as likely to increase in value, as it is to decrease. Accuracy values
       range from 0-99%. The following guide is given for interpreting accuracy:
       For further information please contact NZ Angus or TACE.


                                                              Ross McLachlan, Hawkes Bay Angus Sale 1977.
                                                              Winner of the Southern Hawkes Bay Stock & Station Agents Challenge
                                                              Cup. 1st Prize pen of three bulls

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