Prediction of the nutrients value and biochemical characteristics of swine slurry by measurement of EC – Electrical conductivity

Slurry samples, collected from 41 commercial swine farms in South Korea, were characterized in various physico-biochemical, macro and micronutrients, heavy metals and microbial parameters. Interestingly, significant variations were observed in all the parameters. However, positive relationships were...

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Veröffentlicht in:Bioresource technology 2009-10, Vol.100 (20), p.4683-4689
Hauptverfasser: Suresh, A., Choi, H.L., Oh, D.I., Moon, O.K.
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Choi, H.L.
Oh, D.I.
Moon, O.K.
description Slurry samples, collected from 41 commercial swine farms in South Korea, were characterized in various physico-biochemical, macro and micronutrients, heavy metals and microbial parameters. Interestingly, significant variations were observed in all the parameters. However, positive relationships were noticed between EC and ammonia nitrogen (NH 3-N), total nitrogen (TN), total potassium (TK), specific gravity (SG), total solids (TS), volatile solids (VS), fixed solids (FS), total dissolved solids (TDS) at R 2 = 0.91, 0.74, 0.69, 0.60, 0.50, 0.48, 0.55, and 0.52, respectively. Whereas phosphorous and other nutrients shown poor correlation. Escherichia coli and Salmonella were counted at an average of 5.04 log 10 colony forming unit (CFU)/mL and 3.55 log 10 most probable number (MPN)/mL, respectively. Equations for predicting nutrients content in swine slurries are presented with EC, because it is an easily determinable parameter. The data obtained in this study could be used as a guideline for Good Management Practices in South Korean swine farms as well as other countries.
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Plant production ; Hydrogen-Ion Concentration ; microbial activity ; Nutrients ; physicochemical properties ; pig manure ; plant nutrition ; Salmonella ; Sewage - analysis ; Sewage - microbiology ; soil amendments ; soil nutrients ; Specific Gravity ; Swine - physiology ; Swine slurry ; Terrestrial animal productions ; Total solids ; Use of agricultural and forest wastes. 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Soil science and plant productions</subject><subject>Animal productions</subject><subject>Animals</subject><subject>Bacteria</subject><subject>Biological and medical sciences</subject><subject>chemical oxygen demand</subject><subject>Electric Conductivity</subject><subject>Electrical conductivity</subject><subject>Escherichia coli</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Hydrogen-Ion Concentration</subject><subject>microbial activity</subject><subject>Nutrients</subject><subject>physicochemical properties</subject><subject>pig manure</subject><subject>plant nutrition</subject><subject>Salmonella</subject><subject>Sewage - analysis</subject><subject>Sewage - microbiology</subject><subject>soil amendments</subject><subject>soil nutrients</subject><subject>Specific Gravity</subject><subject>Swine - physiology</subject><subject>Swine slurry</subject><subject>Terrestrial animal productions</subject><subject>Total solids</subject><subject>Use of agricultural and forest wastes. 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subjects Agronomy. Soil science and plant productions
Animal productions
Animals
Bacteria
Biological and medical sciences
chemical oxygen demand
Electric Conductivity
Electrical conductivity
Escherichia coli
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Hydrogen-Ion Concentration
microbial activity
Nutrients
physicochemical properties
pig manure
plant nutrition
Salmonella
Sewage - analysis
Sewage - microbiology
soil amendments
soil nutrients
Specific Gravity
Swine - physiology
Swine slurry
Terrestrial animal productions
Total solids
Use of agricultural and forest wastes. Biomass use, bioconversion
Vertebrates
title Prediction of the nutrients value and biochemical characteristics of swine slurry by measurement of EC – Electrical conductivity
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