A Mixed Integer Programming Poultry Feed Ration Optimisation Problem Using the Bat Algorithm

Table 1

Definitions of parameters and variables.

Name	Definition	Type
	Average feed conversion ratio	Par
	Proteins requirement quantity	Par
	Requirement limit for nutrient	Par
	Minimum requirement of nutrients for the premix	Par
	Unit cost of processed moringa oleifera/kg	Par
	Unit cost of ingredient	Par
	Unit price/kg of chicken	Par
	Unit cost/kg of the premix	Par
	Operational costs	Par
	Index identifying level of moringa oleifera inclusion as source of proteins,	—
	Index identifying level of soyabeans inclusion as source of proteins,	—
	Index identifying other ingredients,	—
	Index identifying the broiler,	—
	Index identifying nutrient type in the premix,	—
	Unit cost of soyabean/kg	Par
	Total quantity of feed consumed in the life time of the broiler
	Total quantity of premix required in the feed ration	Var
	Weight of the broiler	Var
	Level of Moringa oleifera inclusion	Var
	Quantity of soyabean	Var
	Quantity of other ingredients	Var