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1Animal breeding within ecological constraints: taking dairy cattle and pig as examples Animal breeding within ecological constraints: taking dairy cattle and pig as examplesby Haiger, A. (Universitaet fuer Bodenkultur, Vienna (Austria). Inst. fuer Nutztierwissenschaften), FAO, Rome (Italy). Regional Office for Europe eng, Besson, J.-M. (ed.), Station Federale de Recherches en Chimie Agricole et sur l'Hygiene de l'Environnement, Liebefeld (Switzerland) fre
Published 1990Texto bibliotecaFAO IT