Fertility rate of daily collected and cryopreserved fowl semen

A. van Voorst, F.R. Leenstra

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    19 Citations (Scopus)


    Semen was collected for 4 consecutive d individually from experimental broiler breeder males that had not been massaged for 7 d. The semen was mixed and diluted with the Beltsville Poultry Semen Extender with dimethylsulfoxide (DMSO) as cryoprotectant and cryopreserved. After thawing of the semen, hens were inseminated and fertility over 1 wk after a single insemination with the cryopreserved semen was determined. The overall fertility rate in this experiment (83 to 93%) was high, compared with the generally reported fertility rate of frozen-thawed fowl semen. The fertility rate of the semen collected on Days 3 and 4 was significantly higher than that of semen collected on Day 1 or 2, indicating that frequent collection over the 4-d period enhances the fertility rate of the semen.
    Original languageEnglish
    Pages (from-to)136-140
    JournalPoultry Science
    Issue number1
    Publication statusPublished - 1995

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