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IntroductionInherent to the practice of intensive aquaculture is the generation of wastes having immediate and verybroad effects on the aquatic environment.There is a growing consensus about the need to reduce waste pro-duction in aquaculture to minimize the negative impacts on the environment.Nitrogen(N) and phosphorus(P) wastes are major concerns for many aquaculture operations.In the past,formulation of diets in intensive aquaculture was often aimed at meeting requirements formaximum growt… 相似文献
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本试验的目的在于比较国内几种常用的蛋白源或新蛋白源对对虾生长的效果,作为选择蛋白源或拟定配方的依据。一、各试验组对虾配合饵料的成分 (一)、蛋白源 1、冷榨花生饼:花生不经加热压榨出的圆状物,棕白色有生花生的气味。粉碎到80目。 2、压抽花生粕:将加热、压榨后再用溶剂抽取残油的花生粕再加以粉碎。此粕为棕色,不具熟花生的气味。 相似文献
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