Le Van An, 2004. Doctoral thesis, Swedish University of Agricultural Sciences, Uppsala , Acta Universitatis Agriculturae Sueciae Agraria 470 Document reference Le Van An, 2004. Sweet potato leaves for growing pigs: biomass yield, digestion and nutritive value. Doctoral thesis, Swedish University of Agricultural Sciences, Uppsala , Acta Universitatis Agriculturae Sueciae Agraria 470Web http://diss-epsilon.slu.se:8080/archive/00000639/Citation key Le Van An, 2004Datasheets Sweet potato (Ipomoea batatas) forage