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  • Comparison of Dorper and Polypay as maternalsire breeds for reduced input lamb production

    Creator:
    Haas, Joel D.
    Abstract:
    During years 2005, 2006, and 2007 ewes of predominantly Polypay breeding were bred to either Dorper or Polypay rams for spring lambing. Ewes were assigned to single-sire mating groups based on age and genotype. Internally generated replacements were added to the flock for the 2007 lambing season and bred to...
    Resource Type:
    Masters Thesis
    Full Text:
    : ____________________________________ Howard H. Meyer During years 2005, 2006, and 2007 ewes of predominantly Polypay breeding were