Bioinsecticides are natural compounds with toxic properties that can inhibit the growth and development of pests that affect crops and livestock. This study aimed to evaluate the effectiveness of a bioinsecticide formulation derived from red jatropha (Jatropha gossypiifolia) leaf extract combined with cattle urine against ectoparasites in cattle. The experiment was a completely randomized design (CRD) involving 200 flies, which were divided into four treatment groups with concentrations of 0%, 10%, 15%, and 20%, each replicated three times. The results demonstrated that the bioinsecticide formulation at a concentration of 20% had a significant effect on fly mortality compared to lower concentrations. These findings suggest that the combined use of 20 % red jatropha leaf extract and cattle urine is a promising and environmentally friendly alternative for controlling fly populations in cattle.
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