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  • Associations of myostatin gene polymorphisms with performance and mortality traits in broiler chickens

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    Author(s)
    Ye, Xianghai
    Brown, Stewart R.
    Nones, Katia
    Coutinho, Luiz L.
    Dekkers, Jack C. M.
    Lamont, Susan J.
    Griffith University Author(s)
    Nones, Katia
    Year published
    2007
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    Abstract
    Myostatin is a negative regulator of skeletal muscle growth. We evaluated effects of myostatin polymorphisms in three elite commercial broiler chicken lines on mortality, growth, feed conversion efficiency, ultrasound breast depth, breast percentage, eviscerated carcass weight, leg defects, blood oxygen level, and hen antibody titer to infectious bursal disease virus vaccine. Progeny mean data adjusted for fixed and mate effects and DNA from 100 sires per line were used. Single nucleotide polymorphisms (SNPs) of the myostatin gene segregating in these lines were identified by designing specific primers, amplifying individual ...
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    Myostatin is a negative regulator of skeletal muscle growth. We evaluated effects of myostatin polymorphisms in three elite commercial broiler chicken lines on mortality, growth, feed conversion efficiency, ultrasound breast depth, breast percentage, eviscerated carcass weight, leg defects, blood oxygen level, and hen antibody titer to infectious bursal disease virus vaccine. Progeny mean data adjusted for fixed and mate effects and DNA from 100 sires per line were used. Single nucleotide polymorphisms (SNPs) of the myostatin gene segregating in these lines were identified by designing specific primers, amplifying individual DNA in each line by polymerase chain reaction, cloning, sequencing and aligning the corresponding products. Individual sires were genotyped for five identified SNPs which contributed to eight haplotypes. Frequencies of SNP alleles and haplotypes differed between lines. Using the allele substitution effect model, the myostatin SNPs were found to have significant (P < 0.031) associations with growth, mortality, blood oxygen and hen antibody titer to infectious bursal disease virus vaccine, although the associations were not often consistent across lines. These results suggest that the myostatin gene has pleiotropic effects on broiler performance.
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    Journal Title
    Genetics Selection Evolution
    Volume
    37
    Issue
    1
    DOI
    https://doi.org/10.1051/gse:2006029
    Copyright Statement
    © INRA, EDP Sciences, 2006
    Subject
    Agricultural Biotechnology not elsewhere classified
    Biological Sciences
    Technology
    Publication URI
    http://hdl.handle.net/10072/28109
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    • Journal articles

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