Article ID Journal Published Year Pages File Type
2009407 Pesticide Biochemistry and Physiology 2012 10 Pages PDF
Abstract

Five experimental diets with various combinations of probiotics, namely T1 & T6 (basal feed (BF) without probiotics), T2 & T7 (BF + Bacillus subtilis + Lactococcus lactis), T3 & T8 (BF + L. lactis + Saccharomyces cerevisiae), T4 & T9 (BF + B. subtilis + S. cerevisiae) and T5 & T10 (BF + B. subtilis + L. lactis + S. cerevisiae) were fed to Labeo rohita fingerlings for 30 days. Treatment groups T1, T2, T3, T4 and T5 were exposed to Fenvalerate, at a concentration of 1.79 μg L−1. The SOD and CAT activity was significantly affected (P < 0.01) in fenvalerate treated groups. However, the supplementation of the three-probiotic mixture at equal concentration showed markedly reduced activity. Similarly, RBC, Hb, NBT, total protein and albumin values were reduced significantly (P < 0.01) in the fenvalerate exposed fish as compared to the probiotic supplemented fish. Fenvalerate exposure also showed increased serum ALP, ACP and Bilirubin values (P < 0.01) in comparison to the non-exposed fish. Histological observations of the gills, kidney and liver showed tissue degeneration after fenvalerate exposure, which however showed marked recovery on the three-probiotic mixture supplementation. Therefore, these results indicate that a mixture of multi-species probiotic supplementation in equal concentration acts beneficially in mitigating the stressful effects of fenvalerate.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Dietary probiotics overcame growth retardation caused by fenvalerate in Labeo rohita. ► Probiotic incorporated diet reduced oxidative stress caused by fenvelarate. ► Multi-species probiotic supplementation enhanced metabolic activity and immunity. ► Dietary probiotics counteracts the pesticide responsive histological alterations.

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