过去几年中,人工饲喂鳟鱼的营养物在不断改进,现在有可能把所需各类物质配成高质量的干饵料,此种饵料适合于鳟鱼生理上的需要,并能够收到最大的效益。 Over the past few years, the nutrition of the trout fed by hand has been continuously improved, and it is now possible to compound all the required ingredients into high-quality dried bait which is suitable for trout physiological needs and can be received The biggest benefit.