Implication of distillery spentwash on the sustainability of catla (catla catla) fishes

Chandraju, S. and Mohan Kumar, L. and Chidan Kumar, C. S. (2011) Implication of distillery spentwash on the sustainability of catla (catla catla) fishes. RESEARCH JOURNAL OF CHEMISTRY AND ENVIRONMENT, 15 (2). pp. 804-806.

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Abstract

Management and conservation of catla (catla catla) fishes was made with different concentration of primary treated spent-wash (PTSW) (0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1.0%, 1.1% and 1.2%) in water. Spent-wash was analyzed for its physico-chemical parameters. Fishes were obtained from V. C. Farm, Mandya Karnataka and divided into 13 groups (G1 to G13,) of 10 each, keeping G1 as `control unit'. G2 to G13 were exposed to different concentrations of primary treated spentwash for a period of 6 days in different aquariums of 36 `' x15 `' x18 `' size. It was found that all fishes behaved normally up to 0.9% spantwash, but at higher concentration, the fishes behaved abnormally and there after, could not sustain for longer time and eventually died. By this, it is presumed that insufficient dissolved oxygen (DO) for natural respiration at higher concentration of spentwash in water was the cause. The `mortality rate' (MR) was 88% in G13 (1.2% span/wash,.) after 12 hr exposure, in G12 to G2 MR was `0'% even after exposure of 6 days. Hence, the study emphatically verdicts that the un sustainability was due to insufficient DO for respiration at higher in concentration of distillery spentwash. Higher contamination of distillery spentwas into water bodies results deleterious effect on the lift of catla (catla catla) fishes.

Item Type: Article
Uncontrolled Keywords: Fishes; Sustainability; Distillery Spentwash; Aquarium; Mortality rate
Subjects: D Physical Science > Sugar Technology
Divisions: PG Centre Mandya > Sugar Technology
Depositing User: Users 23 not found.
Date Deposited: 16 Jul 2019 07:06
Last Modified: 24 Dec 2019 09:29
URI: http://eprints.uni-mysore.ac.in/id/eprint/2474

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