Aquaculture offers great potential for fish production in Lake Chapala, but reports of heavy metal contamination have identified a main concern this activity. In the present study, cultures species Cyprinus carpio and Ictalurus punctatus were grown net cage Chapala. The patterns accumulation (Cu, Zn, Cd, Hg, Pb, As) muscle liver monitored order to evaluate level incorporation fish. Estimates we...

This study evaluated the preservative ability of protein-like cell free supernatants produced by lactic acid bacteria (LAB) isolates from samples Ictalurus punctatus (Cat fish) and slurry fermented Zea mays (Ogi). The LAB strains were separately isolated understudied using De Man, Rogosa Sharpe (MRS) media at 37°C for 48 h. characterized with Gram staining, oxidase catalase tests, microscop...

Although cortisol is considered the main glucocorticoid involved in regulating stress fish by elevating serum glucose, presence of corticosterone and whether its level can be used as an indicator for activation reflect degree remains to determined. To comprehensively accurately evaluate performance two glucocorticoids after stress, this study, seven most common stressors (ammonia nitrogen, high...