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Crossbreeding in Swine: Experimental Results
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Crossbreeding in Swine: Experimental Results
Crossbreeding in Swine: Experimental Results
RJ
Rodger K. Johnson
Rodger K. Johnson
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1 April 1981
journal article
Published by
Oxford University Press (OUP)
in
Journal of Animal Science
Vol. 52
(4)
,
906-923
https://doi.org/10.2527/jas1981.524906x
Abstract
A review of recent swine crossbreeding experiments is presented and integrated with earlier work. Variation among experiments in observed heterosis for specific crosses was large for reproduction and sow productivity traits. However, standard errors of estimates were also large. It seems likely that heterosis, expressed in absolute values or in percentage units, is different for specific crosses. It is unclear whether these differences are large enough to warrant the use of unique parameter values for comparisons of alternate mating systems. In addition to average heterosis values, average direct and maternal genetic effects are given. Copyright © 1981. American Society of Animal Science. Copyright 1981 by American Society of Animal Science.
Keywords
COPYRIGHT
EXPERIMENTAL
REPRODUCTION
SOCIETY
MATING
SCIENCE
ANIMAL
CROSSBREEDING
WARRANT
AMERICAN
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Open Access
Cited by 38 articles