Perch use by laying hens in a commercial aviary1

Autor:	Campbell, D. L. M., Makagon, M. M., Swanson, J. C., Siegford, J. M.
Jazyk:	angličtina
Rok vydání:	2016
Předmět:	aviary welfare perch Behavior Animal behavior Oviposition Animals Female laying hen Animal Welfare Animal Well-Being and Behavior Chickens Housing Animal
Zdroj:	Poultry Science
ISSN:	1525-3171 0032-5791
Popis:	Non-cage housing systems, such as the aviary, are being implemented by the laying hen industry, including in North America, in an attempt to improve the welfare of hens. Perches are a resource that is consistently included in aviaries. Hens are strongly motivated to perch, and perching can improve leg bone strength. However, hens may prefer elevated perches, particularly at night, and thus simply providing perches is not enough to improve welfare; they must be provided in a way that allows all hens to access them. Observations of laying hens using perches and ledges (flat, solid metal shelves to assist hens’ movement between tiers) in a commercial aviary revealed variation in where hens roosted within the tiered aviary enclosure across the flock cycle (peak, mid and end of lay; P
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=pmid________::5409f13f3867837de5cff61f4f901e92 http://europepmc.org/articles/PMC4988547 Zobrazit plný text záznamu