Feed particle selection and nutrient intake altered by pecking stone consumption and beak length in free-range laying hens

The present study investigated the effects of pecking stones on feeding behaviour of hens from 16 to 46 weeks of age. Eighteen flocks of Hy-Line Brown hens were housed in 2 commercial free-range housing systems. Farm A housed 10 flocks of beak trimmed (infrared beak treatment) hens in fixed sheds. F...

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Detalles Bibliográficos
Autores principales: Iqbal, Zafar, Drake, Kelly, Swick, Robert A., Perez-Maldonado, Rider A., Ruhnke, Isabelle
Formato: Online Artículo Texto
Lenguaje:English
Publicado: KeAi Publishing 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6544746/
https://www.ncbi.nlm.nih.gov/pubmed/31193914
http://dx.doi.org/10.1016/j.aninu.2018.05.003