Determining feed resources and feeding circumstances: Usefulness and lessons learned applying the Feed Assessment Tool ‘FEAST’ in Tanzania - Wassena, Fred J.; Lukuyu, Ben A.; Mangesho, Walter E.; Laswai, Germana H.; Bwire, Julius M.N.; Kimambo, Abiliza E.; Maass, Brigitte L. (International Center for Tropical Agriculture, 2013)