Energy values of Tenebrio molitor larvae meal and tilapia byproduct meal for broiler chickens determined using the regression method

•The regression method allowed to determine metabolizable energy of insect meal and tilapia byproduct meal for broilers.•The metabolizable energy of Tenebrio molitor larvae meal for broilers was 21.93 MJ/kg.•The metabolizable energy of tilapia byproduct meal for broilers was 14.29 MJ/kg.