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Welfare of domestic animals : is it possible to keep them without exploiting them?
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Ladewig J (2002) Welfare of domestic animals : is it possible to keep them without exploiting them? Landbauforsch Völkenrode SH 227:3-4
An evaluation of "indexing" welfare in farm animals
Literatur
Borell E von (2002) An evaluation of indexing welfare in farm animals. Landbauforsch Völkenrode SH 227:41-46