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Title:Water quality control and management of animal wastes through culture with selected fishes
Author(s):Buck, D. Homer; Baur, Richard J.
Contributor(s):Illinois Natural History Survey
Subject(s):Water resource development--Illinois
Water resource development
Water quality
Biological treatment
Chinese carps
Polyculture
Primary production
Waste management
Waste treatment
Water pollution control
Water quality control
Waste recycling
Geographic Coverage:Illinois (state)
Abstract:This study evaluated the contributions of four Chinese carps to the biological treatments of four oxidation ponds receiving swine wastes. Carps used have specialized feeding habits: the silver carp (Hypophthalmichthys molitrix) filters suspended materials (phytoplankton, bacteria); the bighead carp (Aristichthys nobilis) filters zooplankton; the grass carp (Ctenopharyngodon idella) ingests coarse vegetation; the common carp (Cyprinus carpio) consumes benthos and detritus including fish feces. Segment I (1976) utilized different densities of carps in ponds receiving similar amounts of manure; Segment II (1977) utilized similar quantities of manure and companion fishes but different densities of silver carp; Segment II (1978) utilized ponds in series, the first containing carps, the second macrophytes; Segment IV (1979) evaluated pond aeration, in addition to fish. Prawns (Macrobrachium rosenbergii) also were stocked in 1978 and 1979. Studies of autotrophic and heterotrophic communities were intensified in 1979. Results established that through consumption of large quantities of organic matter, both living (plankton, bacteria) and dead (detritus, feces), the carps in proper densities and combinations can significantly improve the quality of organically polluted waters and that properly designed systems would have practical applications for small communities, livestock producers, and food processers. Areas needing additional study are recommended.
Issue Date:1980-04
Publisher:University of Illinois at Urbana-Champaign. Water Resources Center
Genre:Report (Grant or Annual)
Type:Text
Language:English
URI:http://hdl.handle.net/2142/90366
Sponsor:U.S. Department of the Interior
U.S. Geological Survey
Rights Information:Copyright 1980 held by D. Homer Buck, Richard J. Baur
Date Available in IDEALS:2016-06-29


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