VAH124 Role of Water Quality on Diseases in Aquaculture 4 (2+2)
THEORY
Unit – I
Physical and Chemical Properties of Soil and Water, Aquatic Microorganisms and their role in Nutrients.
Unit – II
Soil and Water Quality Monitoring: Optimum Levels and Chemical Properties of Water and Soil.
Unit – III
Fertilizers and Manures: Different kinds of Fertilizers and Manures, Fertilizer Grade, Source, Rate and Frequency of Application, Biofertilizers, Use of Treated Sewage for Pond Fertilization, Ecological changes taking place after Fertilizing, Primary Production, Degradation of Molecules in Aquatic Environment, Role of Microorganisms on Soil and Water Quality.
Unit – IV
Soil and Water Quality Management: Cat Clay / Pyrite Soil, Seepage, Water Treatment, Water Filtration Devices, Aeration, Chlorination, Ozonization and UV Radiation, Algal Bloom Control, Eutrophication, Aquatic Weed Management, Waste Water Treatment Practices, Water Quality Management in Hatcheries, Waste Discharge Standards, Role of Microorganisms in Fish Production, Fish Health and Fish Safety; Microbial load and Algal Blooms.
PRACTICALS
Equipment used in Soil and Water analysis; Soil Sampling, Determination of Soil Moisture and Bulk Density; Pond Filling, Analyses of Mud Acidity and Soil Texture; Measurements of Temperature, pH, Conductivity, Salinity, Transparency, Turbidity and Solids; Analyses of Dissolved Oxygen, Alkalinity and Hardness, Phosphorus, Nitrogen; Application of Fertilizers and Pond Liming; Visit to Effluent Treatment Plant; Design and Operation of Biological Filters.