Study on the fish polyculture practices in accordance with economic aspect at Tamluk, East Medinipur, West Bengal, India

Abstract

Polyculture is a composite fish culture which is a mixed fish farming with the compatible fishes, such as Khalisa, Nados and the Gangetic Koi in one pond a time. The quantitative growth of the fishes in the tank by the use of the manures is in high rate of percentage of the produces with these herbivorous, omnivorous and the detritus feeding fishes. The proper combination of these three friendly fishes minimises the inter and intra specific competitions and allow them the proper growth in size and weight. The differences in the feeding habits of these fishes in different layers of the tank causes higher yield. The eggs, larvae and pupas of the mosquitoes of the pond are the palatable food of these three fishes. As a result, people are achieving relief from the invasion of the dangerous mosquito borne diseases like Dengue, Malaria, Chikungunya, Encephalitis etc.