Improving aviary designs by observing laying hen locomotor development and determining navigational preferences

dc.contributor.advisorHarlander, Alexandra
dc.contributor.authorKozak, Madison
dc.date.accessioned2016-05-11T20:00:45Z
dc.date.available2016-05-11T20:00:45Z
dc.date.copyrightApr-16
dc.date.created2016-04-18
dc.date.issued2016-05-11
dc.degree.departmentDepartment of Animal Biosciencesen_US
dc.degree.departmentCampbell Centre for the Study of Animal Welfareen_US
dc.degree.grantorUniversity of Guelphen_US
dc.degree.nameMaster of Scienceen_US
dc.degree.programmeAnimal and Poultry Scienceen_US
dc.description.abstractThis thesis focused on the development of locomotor, perching, and physical activity patterns of four strains of laying hens in a complex three-dimensional system. Video observations of chicks (1-9 weeks of age) showed that chicks performed more locomotor events on the ground than on elevated surfaces and performed more locomotive and perching events on leveled surfaces than inclined surfaces (ramps/ladders). Elevated surface use began at 8 days of age. Accelerometers showed that birds (10-37 weeks of age) allocated 70%, 22%, and 8% of their time towards moderate-, low-, and high-intensity physical activities, respectively. Pullets performed the greatest amount of high-intensity activity. Our Random Forest prediction accuracy for physical activities was 98. To provide proper locomotor development for layer-hen chicks, I recommend elevated surfaces connected via surfaces with moderate incline angles. Overall these finding provide insight that developing chicks preferentially use lower elevations and moderate activity when navigating a complex aviary.en_US
dc.description.sponsorshipSwiss Federal Food Safety and Veterinary Office (project number 2.13.09, Bern, Switzerland)
dc.description.sponsorshipAgriInnovation program under the Growing Forward 2 policy framework, Canada
dc.identifier.urihttp://hdl.handle.net/10214/9675
dc.language.isoenen_US
dc.publisherUniversity of Guelphen_US
dc.rightsAttribution-NonCommercial-NoDerivs 2.5 Canada*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/ca/*
dc.subjectGallus Gallus domesticusen_US
dc.subjectPhysical Activityen_US
dc.subjectLocomotionen_US
dc.subjectDevelopmenten_US
dc.subjectAviaryen_US
dc.subjectAccelerometeren_US
dc.subjectLaying Hensen_US
dc.subjectChicksen_US
dc.subjectInclineen_US
dc.titleImproving aviary designs by observing laying hen locomotor development and determining navigational preferencesen_US
dc.typeThesisen_US

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