Le Thi Men 2012 Effect on growth performance and carcass quality of fattening pigs of replacing protein concentrate by a mix of coconut meal and catfish residue. Proceedings of the International Conference "Livestock-Based Farming Systems, Renewable  Resources and the Environment", 6-9 June 2012, Dalat, Vietnam (Editors: Reg Preston and Sisomphone Southavong) http:/www.mekarn.org/workshops/dalat2012/html/lemen.htm