Literaturrecherche

Literatur Jensen P (2002) Natural behaviour and behavioural needs of farm animals. Landbauforsch Völkenrode SH 227:31-34

Literatur Rushen J (2002) The welfare of the high producing animal. Landbauforsch Völkenrode SH 227:35-40

Literatur Ladewig J (2002) Welfare of domestic animals : is it possible to keep them without exploiting them? Landbauforsch Völkenrode SH 227:3-4

Literatur Borell E von (2002) An evaluation of indexing welfare in farm animals. Landbauforsch Völkenrode SH 227:41-46