International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 2
First page : (1153) Last page : (1157)
Article doi: http://dx.doi.org/10.18782/2320-7051.2659

Lethal and Sublethal Toxicity of an Organophosphate Pesticide, Phorate 10G on Fingerlings of Tilapia Sp.

Sana K. M. Patel*, S. T. Indulkar, Abdul Lateef A. H. Shaikh and R. Pai
College of fisheries, Shirgaon, Ratnagiri-415629
(Dr. B.S. Kokan Krishi Vidhyapeeth), Maharashtra, India
*Corresponding Author E-mail: sanapatelfish@gmail.com
Received: 7.03.2017  |  Revised: 18.03.2017   |  Accepted: 20.03.2017  

ABSTRACT

Experiments on bioassay was undertaken to find the toxic effect of ‘Phorate 10G’ on survival of fingerlings of tilapia. Lethal concentration range of ‘Phorate 10G’ for tilapia fingerlings was observed to be 0.02 to 0.2 mgl-1. The 96 hrs LC50 of ‘Phorate 10G’ for fingerlings of tilapia was found to be at 0.034 mgl-1. Tilapias were exposed to the sublethal concentrations of 0.05 and 0.075 mgl-1 for a total period of 30 days. At the end of exposure periods of 10, 20 and 30 days, after every ten days, ten fingerlings were sacrificed for carcass biochemical composition such as moisture content, crude protein, and crude fat and total ash content. The moisture  and total ash contents of the tilapia were  increased, whereas crude protein and crude fat content decreased as a  function of increased the concentration of ‘Phorate 10G’ and exposure period.

Key words: Phorate 10G, Organophosphate, Tilapia sp., LC50, Sublethal exposure, Biochemical composition.

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Patel, S.K.M., Indulkar, S.T., Shaikh, A.L.A.H. and Pai, R., Lethal and Sublethal Toxicity of an Organophosphate Pesticide, Phorate 10G on Fingerlings of Tilapia Sp., Int. J. Pure App. Biosci.5(2): 1153-1157 (2017). doi: http://dx.doi.org/10.18782/2320-7051.2659