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Filtering by: Subject Sheep -- Breeding Remove constraint Subject: Sheep -- Breeding Academic Affiliation Animal Sciences Remove constraint Academic Affiliation: Animal Sciences

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  • Genetic and environmental variation in production components of purebred and crossbred ewes

    Creator:
    Nawaz, Mohammad, 1957-
    Abstract:
    Coopworth sheep, a newly available genotype, were compared with other genotypes in two trials to assess cumulative lamb and wool production and contributing components related to survival, reproduction and growth, and for the effects of ewe body weight on reproductive traits. In a third trial, various genotypes generated in the...
    Resource Type:
    Dissertation
    Full Text:
    approved: Howard IV Meyer Coopworth sheep, a newly available genotype, were compared with other

  • 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