Environment protection fish-meal-free spot ietalurus punetaus compound feed and preparation method thereof

Abstract

The invention relates to environment protection fish-meal-free spot ietalurus punetaus compound feed, which belongs to the field of compound feed and processing thereof. The compound feed of the invention comprises the following ingredients in mass percent: 38 to 53 percent of bean dregs, 5 to 20 percent of corn protein powder, 0 to 15 percent of cotton dregs, 0 to 15 percent of vegetable dregs, 15 to 24 percent of wheat shorts, 1 to 2.5 percent of cellulose, 0.1 to 0.3 percent of compound amino acid, 0.05 to 0.1 percent of immunity enhancing agents, 0.3 to 0.5 percent of lycine, 2 percent of fish oil, 0.3 percent of choline chloride, 0.1 percent of vitamin C, 0.15 percent of multidimensional premix compounds, 0.1 percent of polymineral premix compounds and 0.03 percent of phytase (5000 u / g). The preparation method comprises the preparation processes of raw material crushing, mixing, extruding pelletization, vacuum spray coating and baking. The invention has the advantages of simple preparation, low price and balanced nutrition, can meet the growth requirement of the ietalurus punetaus, can reduce the production cost, can improve the assimilation and the utilization of nutrient substances, and can reduce the water body pollution caused by nitrogen and phosphor discharge in the culture process.

Description

(1) Technical field [0001] The invention relates to a green and environment-friendly channel catfish compound feed and a preparation method thereof, in particular to a fishmeal-free compound feed suitable for channel catfish breeding, and belongs to the field of compound feed and its processing. (2) Background technology [0002] The channel catfish (lctalurus punctatus) belongs to Siluriformes, Cateridae, and is native to the Americas. It was introduced into my country by the Hubei Provincial Institute of Fishery Sciences in 1984. After several years of research and promotion, it has become a widely cultivated species in my country. It has wide appetite, fast growth, strong adaptability and disease resistance, good quality, and great market potential. It is a nutritious high-end banquet food and has always been loved by domestic and foreign farmers and consumers. The quality of feed for channel catfish is one of the key technologies for the healthy development of its breedi...

AI Technical Summary

Problems solved by technology

At present, the existing domestic farms generally use carp feed to breed channel catfish, which has problems such as unbalanced nutrition, high feed coefficient, high nitrogen and phosphorus discharge in the breeding water, easy to cause water pollution and easy occurrence of diseases, etc.

For this reason, some researchers have conducted research on their special compound feeds and achieved some practical results. However, there is no fishmeal-free channel catfish feed developed and produced in the domestic market with the goal of reducing water pollution.