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The senate abalone grows seedlings the antibiotic research

Abstract: The trepang (trepang) the abalone is north part of our country the important bottom roosts the biological resources, has the very high economic value, also is a present prestige mirage item of important aquatic product increased reproduction production project. But often appears in growing seedlings the harm, the destruction fish food damage seedling plants. massive reproductions season generally in every year dish month, but this time is precisely the crucial time which the trepang abalone grows seedlings maintains an adequate supply of seedlings when the water temperature reaches stabs 0 Celsius degree-hour, then starts massively to reproduce, its reproduction speed extremely quick, energy strong, to trepang seedling harm degree big, is serious when can cause the thorough defeat which grows seedlings and maintains an adequate supply of seedlings. Simultaneously the abalone grows seedlings although to the Bao fry's harm is not very big, but they can snatch the food abalone to solidify on the board bottom to roost the diatom, is serious when can cause the massive Bao fry while still alive to starve to death! Is following to executes the medicine for a long time, the initial 1ppm Dibaichong may effective kill , develops the present 10ppm Dibaichong to kills extinguishes the effect is not very obvious, is following Dibaichong density elevating, the antibiotic nature unceasingly enhances, the trepang abalone's quality unceasingly drops! In order to can effectively cope with , proposed "two time kills extinguishes the law", by effectively controls grows seedlings in the pond .
Key word: The Dibaichong, the toxic experiment, half number of lethal concentrations, two time kill extinguish the law