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On-Farm Factors Affecting the Hatchability of Broiler Eggs in Parent Breeder Operations

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dc.contributor.authorHill, Jessicaen
dc.contributor.committeechairStrawn, Laura K.en
dc.contributor.committeememberBoyer, Renee R.en
dc.contributor.committeememberKuhn, Daviden
dc.contributor.departmentFood Science and Technologyen
dc.date.accessioned2017-11-20T13:48:50Zen
dc.date.available2017-11-20T13:48:50Zen
dc.date.issued2017-11-15en
dc.description.abstractThis paper discusses different on-farm factors affecting the hatchability of eggs coming from broiler breeders. Inconsistent hatchability has been an on-going issue for the poultry industry. This review brings together information from previous research studies to determine areas where hatchability may be affected. Physical eggshell properties, including eggshell thickness for embryo protection, water loss, and nutrient supply set the stage for further hatchability discussion. This paper addresses the relationship between the current genetic makeup of commercial breeders and hatchability as well as the role of animal behavior and environmental enrichments. After the egg leaves the breeder house, other factors potentially affecting hatchability are discussed. These include egg sanitation, temperature regulation, and egg storage length in conjunction with hen age. Hatchability research is conflicting, but suggestions are made for further industry attention based on the evidence provided throughout the review.en
dc.description.degreeMALSen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/80457en
dc.language.isoenen
dc.publisherVirginia Techen
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 3.0 United Statesen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/en
dc.subject.cabtHatchabilityen
dc.subject.cabtBroiler breedersen
dc.subject.cabtPoultryen
dc.subject.cabtEggsen
dc.titleOn-Farm Factors Affecting the Hatchability of Broiler Eggs in Parent Breeder Operationsen
dc.typeReporten
dc.type.dcmitypeTexten
thesis.degree.disciplineFood Safety and Biosecurityen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Agricultural and Life Sciencesen

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