Cultivation of carp fish in polyculture using soy milk in saltwater drainage system of Uzbekistan
N. ToshevaTashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140O. NosirovBukhara State University, Muhammad Ikbol str., 11, Bukhara province, Uzbekistan, 105018Mansur YuldashovTashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140B. KamilovTashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140
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In this paper, a new type of fertilizer/feed for Uzbekistan were developed when growing fry to underyearlings. In four experimental nursery ponds (1-3 ha each) with brackish water (2.5 - 3.9‰), cultured carp fish were grown in a pond polyculture using mineral fertilizers and wheat bran soaked in soy milk. In different variants, the total fish productivity was 27 - 48.9 q/ha, underyearlings of all species reached an average weight of more than 100 g, the yield was 76-88%, provided that they were stocked with 5-10 gram fry in early July. Juveniles of cyprinids can be successfully reared in brackish water fed from a collector-drainage system in Uzbekistan.
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