EFFECT OF BROAD SPECTRUM ANTIBIOTICS ON OXYGEN CONSUMPTION RATE OF FRESHWATER BIVALVE, PARREYSIA CYLINDRICA (ANNANDALE AND PRASHAD)
Nandurkar H.P. and S.P. Zambare*
Department of Zoology, Sant Gadge Baba Amravati University, Amravati. (M.S.) 444 602. INDIA
* Department of Zoology, Dr. B. A. Marathwada University, Aurangabad, (M.S.) 431 004.INDIA
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The freshwater bivalves, Parreysia cylindrica were exposed to tetracycline and Chloramphenicol, broad spectrum antibiotics. Acute treatment of tetracycline (166.54PPM) and chloramphenicol (369.09PPM) to P. cylindrica was given for 96 hrs and for chronic treatment they were exposed to the concentration of tetracycline (33.30 PPM), chloramphenicol (73.81 PPM) for 21 days respectively. The rate of oxygen consumption in Parreysia cylindrica after acute and chronic exposure to tetracycline and chloramphenicol showed significant decrease. The acute and chronic exposure of chloramphenicol reduced the oxygen consumption very strongly than that of tetracycline. The reduction in oxygen consumption may be due to metabolic stress or pathogen-free condition.
Keywords: Parreysia cylindrical, antibiotics, oxygen consumption, metabolic stress, pathogen