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Advances in dairy Research

ISSN - 2329-888X

+44 1300 500008

Mohammed A

Mohammed A

Ethiopia

Publications
  • Research Article
    Reproductive Performance of Holstein Friesian Dairy Cows in a Tropical Highland Environment
    Author(s): Wondossen A, Mohammed A and Enyew NegussieWondossen A, Mohammed A and Enyew Negussie

    Any genetic improvement in dairy cattle requires information on reproductive performance in the given population. This study was carried out to evaluate the effect of non-genetic factors on reproductive performance traits of Holstein Friesian dairy cattle maintained under tropical highland environment. The data used in this study included records of cows that calved between 1979 and 2013. The overall least squares mean of Age at First Calving (AFC), Calving Interval (CI), Days Open (DO) and Number of Service Preconception (NSC) were 39.42 ± 0.41, 469.19 ± 7.88, 179.89 ± 6.82 and 1.9 ± 0.05, respectively. All sources of variation parity sire origin and period have significant effect on most reproductive traits considered. In general, in this study the reproductive performance of Holstein Friesian cows under tropical management condition were poor. This calls a plann.. View More»

    DOI: 10.4172/2329-888X.1000203

    Abstract PDF

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