Optimal Product Mix for Integrated Livestock‐Fish Culture Systems on Limited Resource Farms

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Abstract
A mixed integer linear programming model was developed to select constrained optimum combinations of aquacultural production alternatives for limited‐resource farmers. The model maximized production of fish and livestock for home consumption and cash income.Poor farmers without access to credit sources make best use of pond resources by stocking fish and utilizing inorganic fertilizer. Integrated systems require greater levels of capital to cover livestock feed costs. Ponds that cannot be drained are best utilized by stocking a polyculture system of bighead carp (Aristichthys nobilis), common carp (Cyprinus carpio) and fathead minnows (Pimephales pro‐melas) while drainable ponds are more efficiently utilized in tilapia production.

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