Evaluation of biological and economic efficiency of smallholder pig production systems in North Vietnam

Author: Lemke U.   Kaufmann B.   Thuy L.   Emrich K.   Valle Zárate A.  

Publisher: Springer Publishing Company

ISSN: 0049-4747

Source: Tropical Animal Health and Production, Vol.39, Iss.4, 2007-05, pp. : 237-254

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