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Maternal effects and heterosis for growth in reciprocal cross populations of chickens
Author(s) -
Liu Guangsheng,
Dunnington E. A.,
Siegel P. B.
Publication year - 1993
Publication title -
journal of animal breeding and genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.689
H-Index - 51
eISSN - 1439-0388
pISSN - 0931-2668
DOI - 10.1111/j.1439-0388.1993.tb00755.x
Subject(s) - heterosis , reciprocal , reciprocal cross , biology , maternal effect , genetics , evolutionary biology , zoology , hybrid , agronomy , pregnancy , philosophy , offspring , linguistics
Summary Two lines of chickens differing greatly (6‐ to 8‐fold) in 8‐week body weight due to divergent selection for this trait were crossed reciprocally from generations 29 through 36. The crosses showed two consistent characteristics: large maternal effects and no positive heterosis. Zusammenfassung Maternalwirkungen und Heterosis für Wachstum in reziproken Hühnerkreuzungen Zwei im Hinblick auf 8‐Wochen‐Gewicht sehr stark unterschiedliche (6‐ bis 8fach) Linien wurden reziprok in den Generationen 29–36 des divergenten Selektionsversuches gekreuzt. Die Kreuzungen zeigen zwei konsistente Phänomene: große Maternalwirkungen und keine positive Heterosis.

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