Herbage intake and use of outdoor area by organic broilers: effects of vegetation type and shelter addition

NJAS - Wageningen Journal of Life Sciences - Tập 54 - Trang 279-291 - 2007
M.G. Rivera-Ferre1, E.A. Lantinga1, R.P. Kwakkel2
1Biological Farming Systems Group, Wageningen University, Marijkeweg 22, NL-6709 PG Wageningen, The Netherlands
2Animal Nutrition Group, Wageningen University, Wageningen, The Netherlands

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