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The immunosuppressive effects of bath exposure to a sub lethal concentration of the synthetic pyrethroid alpha-permethrin (3.05 x 10(-4) mg l(-1)) in the Indian Major carp, Labeo rohita was studied after 45 days' exposure. In some groups, the effects of alpha-permethrin on non-specific defences and serum enzymes of carp were investigated after challenge(More)
This study aimed to elucidate the effect of partial or complete replacement of live feed (LF) (Tubifex) with formulated feed (FF) on the reproductive performance of Betta splendens. Three hundred B. splendens fry (average weight 0.19 ± 0.01 g) were equally distributed into five different groups, each with three replicates. They were fed for 105 days with(More)
Keeping the importance and search for unconventional feed resources and/or standardizing their level of incorporation in mind, we incorporated dry-powdered water hyacinth (Eichhornia crassipes) meal in feeds and studied its effect on growth and digestibility in Labeo rohita fingerlings. Five feeds with 30 % crude protein level were formulated using(More)
Results of a cage aquaculture experiment conducted in Charan beel (a floodplain wetland), district Morigaon, Assam, India to determine optimum stocking density of Labeo rohita fry are discussed. Locally available bamboo and other low-cost construction materials were used for constructing a battery of ten cages (individual cage dimensions 2 × 2 × 2 m and(More)
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