Jan 3, 2023 · In Tanzania, tilapia fish farmers use mixed or single-ingredient diets to feed their fish (Kaliba et al. Citation 2006). However, the local feed ingredients used and their nutrient content vary widely within and between African countries (Munguti et al. Citation 2014 ; Ogello et al. Citation 2014 ; Tacon, Metian, and Hasan Citation 2009 ).