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The ability of laying pullets to negotiate two ramp designs as measured by bird preference and behaviour

BACKGROUND: Laying hens are often kept in barn or free-range systems where they must negotiate level changes in the house to access resources. However, collisions and resultant keel fractures are commonplace. Producers sometimes add ramps to make raised areas more accessible but designs vary and ver...

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Detalles Bibliográficos
Autores principales: Pettersson, Isabelle C., Weeks, Claire A., Norman, Kate I., Nicol, Christine J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5701544/
https://www.ncbi.nlm.nih.gov/pubmed/29177116
http://dx.doi.org/10.7717/peerj.4069