Title page for ETD etd-02062013-040127
|Type of Document
||Flock, Dietmar K.
||Linear body measurements and other birth observations on beef calves as predictors of preweaning growth rate and weaning type score
||Master of Science
|Carter, R. C.
|Gaines, James A.
|Kramer, Clyde Y.
|Date of Defense
Since birth type showed only a low association with weaning type
and preweaning gain, it is of no practical interest whether or not type
at birth can be expressed by certain body proportions, which themselves
are not high enough correlated with the two weaning traits to be of any predictive value. The high association between birth weight and the
linear body measurements suggests that birth weight is as good a measure
of a calf's merit at birth as any other birth observation. Birth weight should be considered a useful selection criterion for Angus and possibly Hereford calves, but not for Shorthorns, except that extremely small calves should not be kept as breeding stock. Neither body measurements
nor type at birth can be recomended as selection criteria as their use
would not be likely to result in an.improveent of the more important weaning traits.
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