Feed compositions for rainbow trout and mothod producing the same

摘要

The present invention relates to a method for circulating filtration of rainbow trout, and includes insect meal made from dongae, etc. instead of fish meal for rainbow trout feed used in circular filtration, or insect oil made from dongae, etc. instead of a part of fish oil. The effect of producing feed with low raw material price and stable production by providing the rainbow trout circulation filtration method that can increase the growth and intestinal microbial activity of the cultured rainbow trout in the circulation filtration system by feeding including can be obtained, and since it is possible to supply a faithful animal protein by fish meal and insect meal, there is an effect that the growth of rainbow trout, reduction of obesity, survival rate and anti-military force due to securing intestinal microbial diversity can be increased.