A field study of access to day light, ammonia, plumage condition and mortality in loose housed laying hens in south east Sweden

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J. Yngvesson, J. Gustafsson, C. Berg, I. Larsson, S. Gunnarsson, K. Od

File Name: 2011/30th Poultry Science Symposium. Alternative Systems for Poultry and Health, Welfare and Productivity, Glasgow, Scotland, September 2011/25_Yngvesson_short_oral.pdf
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