Extrato hidroalcoólico de rosela (Hibiscus sabdariffa L.) na alimentação do peixe Mato Grosso (Hyphessobrycon eques)
DOI:
https://doi.org/10.26605/medvet-v17n2-5337Keywords:
aditivo, atividade antioxidante, hepatoprotetora, peixes ornamentaisAbstract
This study evaluated the inclusion of hydroalcoholic rosela extract (Hibiscus sabdariffa) in diets of the thick-bush fish (Hyphessobrycon eques). 120 fish (0.51± 0.06 g), were randomly distributed in 12 polyethylene aquariums of 20L, in a water recirculation system, with the storage density of 10 fish per aquarium. Fish were fed for 21 days per diet (40.88% CP and 4374.8 Kcal kg-1), plus rosela alcohol extract (control; 0.12; 0.25 and 0.50mg of EHR/kg of feed). The inclusion of concentrations of 0.25 and 0.50 EHR/kg promoted an improvement in zootechnical indices, in weight gain, total length, standard length and feed conversion. The fish presented alteration of chroma a*(shades of green and red), there was no increase in intensity in relation to chroma b* luminosity (shades of blue and yellow). The use of 0.25 and 0.50 EHR/kg reflected decreased activity of AST and ALT enzymes. An increase in catalase activity was observed in concentrations with higher rates of hydroalcoholic rosela extracts in the diet. The hydroalcoholic extract of Rosela is efficient in feeding Mato Grosso at the concentration of 0.50 mg EHR/kg.Downloads
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Copyright (c) 2023 Barbara Libanio da Cruz, Marcos Paiva Scardua, Rebeca Maria Sousa, Mayara Schueroff Siqueira, Heriberto Gimênes Junior, Henrique Momo Ziemniczak, Alzira Gabriela da Silva Pause, Paulo Henrique Braz, Claucia Aparecida Honorato
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