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KMID : 1023519920150020215
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Korean Journal of Veterinary Service
1992 Volume.15 No. 2 p.215 ~ p.225
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Observations on Livestock Wastewater in Taegu Area
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Cho Jae-Keun
Kim Yung-Un
Lee Jin-Sul
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Abstract
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To estimate pollution status of livestock wastewater on four piggeries and one abattoir in Taegu area, physicochemical water analysis such as pH, suspended solid(SS), biochemical oxygen demand(BOD) and chemical oxygen demand(COD), and bacteriological examinations such as number of total viable cells and number of coliform with or without antibiotic resistance were carried out. The results obtained were as follows : The pH values of raw sewage ranged from 9.0 to 7.2 that of the effluent treated was lowed to 5.6~7.7. The SS values of raw sewage ranged from 5,275ppm to 120ppm and those of the efflunet decreased to 162~30ppm. The BOD values of raw sewage ranged 6,200ppm to 120ppm and those of the effluent treated decreased to 111 ~80ppm. The COD values of raw sewage ranged from 5,725ppm to 298ppm and those of the effluent decreased to 137~76ppm. The total viable cells of raw sewage ranged from /ml to /ml, those of the effluent decreased to The total coliforms of raw sewage ranged from $5.5{\times}10^9$/ml to /ml, those of the effluent decreased to /ml. The incidence of streptomycin resistant coliforms was the highest(1.8~66.7%), and followed by tetracycline(1.7~64%), kanamycin(9.3~50.l%), ampicillin(0.06~45.5%) and chloramphenicol(14.3~33.5%) to total coliforms of raw sewage. The incidence of antibiotic resistant coliforms of raw sewage in farms ranged from 3.4~66.7% and that of abattoir’s was 0.06% to 14.3%. Antibiotic resistant coliform counts of raw sewage ranged from 1.310 /ml to 3.910/ml, those of the effluent decreased to
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KEYWORD
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chemical oxygen demand, biochemical oxygen demand, suspended solid, total viable cells, total coliforms
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