Heritabilities and genetic correlations for birth weight, weaning weight, and yearling weight in polled Hereford cattle

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Heritabilities and genetic correlations for birth weight, weaning weight, and yearling weight in polled Hereford cattle

Glaze, J.B.; Schalles, R.R.
Performance data from a Polled Hereford

herd selected for feed conversion were used

in the calculation of heritabilities and genetic

correlations for birth weight (BWT), weaning

weight (WWT), and yearling weight (YWT).

Direct heritabilities for BWT, WWT, and

YWT were .31, .16, and .25, respectively.

Corresponding maternal heritabilities for

BWT, WWT and YWT were .04, .01, and

.18, respectively. With the exception of the

correlation between WWT and YWT (.98),

the other genetic correlations were low to

moderate, ranging from -.27 to .12.

Keywords: Beef; Birth weight; Weaning weight; Yearling weight; Heritabilities; Genetic correlations
Conference: Cattlemen's Day, 1994, Kansas State University, Manhattan, KS, March 4, 1994
Starting Page: 119, Ending Page: 120
Publisher: Kansas State University. Agricultural Experiment Station and Cooperative Extension Service
Date: 1994
Article (author version)
Record URL: http://hdl.handle.net/2097/4988
 

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