Abstract:
PURPOSE: A feed additive for fish using a hot water extract of complex herbal materials, and fish feed containing thereof are provided to offer an antimicrobial activity effect for the bacterial disease and a parasite insecticidal effect to cultured fish. CONSTITUTION: A feed additive for fish contains a hot water extract of complex herbal materials including sophora roots, tangerine skins, lonicera flowers, benincasa hispida cogniaux, perilla frutescens var. acuta kudo, and scutellaria baicalensis georgi. Fish feed contains 0.01wt% of hot water extract.
Abstract:
PURPOSE: A feed additive using prunus mume, and cultured fish feed using thereof are provided to improve the immunity of fish about fish disease bacteria. CONSTITUTION: A feed additive using prunus mume is obtained by the following steps: mixing 600g of prunus mume and 600g of glycyrrhizae radix, and high pressure heating the mixture with 1,500ml of water for 3hours; diluting the obtained extract with 9L of water to obtain a prunus mume extract; adding 1% of prunus mume extract with powder feed for cultured fish; and feeding the obtained fish feed for 2weeks.