In fish culture, traditional raceways are enclosed channel systems with relatively high rates of moving or flowing water. This high rate of water movement gives raceway systems distinct advantages over the other culture systems. 

    -----------------Advantages of Raceways ---------------- 

Higher stocking density

 Improved water quality

 Reduced manpower

 Ease of feeding

Ease of grading

 Ease of harvest

 Easily treatment of disease

 Collection of fish waste is easier

Most raceway operators believe they have more control over their fish production, and they see this as the major benefit of raceway culture. This control is achieved only if flow rate and water quality are relatively stable over time. Stocking densities for raceways are usually higher than for other culture systems. 

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