Clean type special compound feed for stichopus japonicus and processing method of clean type special compound feed

Abstract

The invention relates to a clean type special compound feed for stichopus japonicus and a processing method of the clean type special compound feed, and belongs to the technical field of processing of aquaculture feeds. The clean type special compound feed is prepared from the following raw materials in parts by weight: 10-40 parts of dried marine algae powder, 3-80 parts of a reaction mixture of enzymolysis soybean meal and enzymolysis alfalfa powder, 5-15 parts of microcrystalline cellulose, 3-5 parts of fish meal, 3-5 parts of wheat flour, 2-5 parts of yeast powder, 4-7 parts of starch, 4-8 parts of sodium alginate, 20-30 parts of sea mud, 0.7-2 parts of complex vitamins and 1-3 parts of composite mineral substances. The clean type special compound feed is prepared through the following technological steps of (1) material preparation; (2) crushing; (3) secondary mixing; (4) extrusion and granulation; (5) drying; and (6) cooling and packaging. According to the clean type special compound feed and the processing method thereof disclosed by the invention, biological enzymolysis treatment is performed on plant protein raw materials by utilizing compound protease, and then plant protein zymolyte and the dried marine algae powder are in an appropriate compounding ratio, so that the whole nutrient value of the feed is increased, and the digestibility and the absorptivity of the feed are improved. According to a making technology, a corpuscule technique in nutrition loss dynamics is utilized, so that the pollution-free easily-clean type special high-efficiency compound feed for the stichopus japonicus is prepared.

Description

technical field [0001] The invention relates to a clean type sea cucumber special compound feed and a processing method thereof. Specifically, the clean type sea cucumber special compound feed is produced by adopting a nutrient slow-release technology combined with adding enzymatic hydrolyzed plant protein, and belongs to the technical field of aquaculture feed processing. Background technique [0002] In recent years, sea cucumber farming has begun to enter intensive high-density farming, which consumes a large amount of marine algae such as sargassum, sargassum, and kelp, which not only causes a shortage of seaweed resources, but also increases the price of seaweed. Although the current use of terrestrial plant protein to replace algal flour has relieved the pressure on algal flour to a certain extent, it often leads to lower feeding rates and slower growth of Apostichopus japonicus. low ratio. The reason is that compared with fish and shrimp, the digestive enzyme spectru...

AI Technical Summary

Problems solved by technology

Although the current use of terrestrial plant protein to replace algal flour has relieved the pressure on algal flour to a certain extent, it often leads to lower feeding rates and slower growth of Apostichopus japonicus. low proportion

The reason is that compared with fish and shrimp, the digestive enzyme spectrum of sea cucumber itself is relatively simple. Sea cucumber uses a large amount of food to ingest more bait to make up for the shortcoming of low digestion and absorption, and simple substitution leads to its digestive enzymes. Absorptive capacity is further reduced

In addition, the japonicus japonicus feed mostly adopts powdered feed, and the powdered feed loses a lot in water, especially some soluble nutrients are easily lost into the water, which relatively reduces the effective intake of japonicus japonicus

At the same time, the lost nutrients often cause serious pollution at the bottom of the pool, and the compound feed stuck to the bottom of the pool is not easy to clean up, which makes the bottom more polluted, causing the obvious "avoidance behavior" of sea cucumbers, increasing the death of sea cucumbers, and bringing harm to sea cucumber cultivation. to lose

Although the flake feed has a certain resistance to loss, it is different from the powder feed, and the flake feed often sinks in a small area at the bottom. Due to the lack of strong food-attracting substances in the feed formula, it is difficult for the sensory organs of sea cucumbers to be absorbed in a short time. The location of the feed is detected within the feed, which relatively increases the residence time of the flake feed in the water, which in essence increases the loss of nutrients