Fish Hatchery Management - fisheries & aquaculture

1Hatch.ry RequirementsThe efficient operation of a fish hatchery depends on a number of factors.Among these are suitable site selection, soil characteristics, and water quality.Adequate facility design, water supply structures, water source, andhatchery effluent treatment must also be considered. This chapter willidentify the more important hatchery requirements and the conditionsnecessary for an efficient operation.Water QualityWater quality determines to a great extent the success or failure of a fishcultural operation. Physical and chemical characteristics such as suspendedsolids, temperature, dissolved gases, pH, mineral content, and the potentialdanger of toxic metals must be considered in the selection of a suitable watersource.TemperatureNo other single factor affects the development and growth of fish as muchas water temperature. Metabolic rates of fish increase rapidly as temperaturesgo up. Many biological processes such as spawning and egg hatching