The effect of aquous extract of johar leaves (Senna siamea) injection on survival rate and blood profile of snakehead fish (Channa striata)

Aqueous extract of johar leaf contains metabolite compounds such as flavonoids, sponins, tannins, phenols, anthraquinones, anthocyanins, and cardiac glycosides which can be used to substitute commercial antibiotics. The use aqueous has been known have antibacterial activity in vitro. This study aims determine the effect leaves (Senna siamea) injection on survival blood profile snakehead fish (Channa striata) vivo. research was a laboratory using completely randomized design (CRD) with 5 treatments 3 replications total sample 75 fish. KA, KB, KC KD groups were injected concentrations 10%, 20%, 40%, 60% respectively, while KE group distilled water (control). parameters this rate Blood hematology examination included calculation erythrocyte count, hemoglobin level, hematocrit percentage, leukocyte thrombocyte count. data obtained analyzed one-way analysis variance followed by Duncan's Multiple Distance test. Injection did not affect However, platelet levels significant decrease given concentration leaf. It concluded that at 40% is safe fish.Keywords:Johar extractSnakehead fishBlood profileSurvival