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Fish culture in Lakes

Fish culture in Lakes

Fish culture in Lakes Trophic State Trophic state is defined as the total weight of the biomass in a water body at a specific location and time. Trophic state is the biological response for nutrient additions to the water bodies (Nauuman,1929). (Fish culture in Lakes) The amount of nitrogen, phosphorus …

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Fresh Water Prawn Culture

Fresh Water Prawn Culture

Fresh Water Prawn Culture About fresh water prawn Fresh Water Prawn (Macrobrachium malcolmsonii), the second largest fast-growing prawn occurs commonly in Indian rivers, draining into Bay of Bengal. They are cultivated under monoculture as well as polyculture systems. Under monoculture systems production levels of 750-1,500 kg prawns/ha/ 8 months are …

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Grow out carp farming

Grow out carp farming

Grow out carp farming Stocking density The ponds for rearing of grow out also require all pond preparation practices like nursery and fingerlings. The ponds are usually stocked with 30 – 40 percent of surface feeders, 30 – 35 percent of column feeders and 30 – 40 percent of bottom …

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Culture of Indian Major Carp

Culture of Indian Major Carp

Culture of Indian Major Carp Broodstock maintenance A proper selection of brood fish is one of the most important aspects to obtain greater results in breeding and grow out. In general, farmers select the fast growing and largest fish on the assumption that these characteristics will be inherited by the …

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Intensity of inputs and stocking density based aquaculture

aquaculture

Intensity of inputs and stocking density based aquaculture On the basis of intensity of input and stocking density aquaculture is categorised as follows. 1. Extensive fish farming system 2. Semi-intensive fish farming system 3. Intensive fish farming system and 4. Integrated aquaculture system Extensive fish farming system The extensive fish …

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Rice – Fish Integrated Farming System

Rice - Fish Integrated Farming System

Rice – Fish Integrated Farming System Rice fish farming can contribute to household income, contribute to food security and nutrition and contribute to improved sustainability of rice production. Generally two production systems have been recommended for culturing fish in the rice fields. They are, Simultaneous or Concurrent Method and Alternate …

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