Crab fodder capable of improving immunity and preparation method thereof

Abstract

The invention discloses a crab fodder capable of improving immunity. The crab fodder is characterized by comprising the following raw materials in parts by weight: 5-8 parts of corn stigma, 26-34 parts of zymosan, 13-19 parts of whey protein concentrate, 18-20 parts of fried gluten puff, 16-19 parts of natto, 14-18 parts of mellea armillaria sporophore, 2-4 parts of ferrous sulfate monohydrate, 3-5 parts of vitamin A, 1-3 parts of vitamin D3, 19-23 parts of shrimp meat, 23-30 parts of pork lib, 2-4 parts of camellia-seed oil, 13-15 parts of broccoli, 17-19 parts of apple, 3.2-4.6 parts of L-theanine, 11-13 parts of a lactobacillus fermentation liquor, 0.3-0.5 part of astragalus membranaceus, 0.4-0.6 part of liquorice, 1-2 parts of endothelium corneum gigeriae galli, 3-6 parts of a phagostimulant and appropriate water. According to the invention, the crab fodder, prepared through the formula disclosed by the invention, can improve the immunity of crabs and promotes rapid growth and anti-stress function of crabs due to the adding of the zymosan, whey protein concentrate and has the virus resisting function due to the adding of codonopsis pilosula, angelica sinensis, L-theanine and the like; the fodder is excellent in palatability and long in water-soaking resistance time; the crabs eating the fodder are high in growth rate and survival rate, and low in disease rate.

Description

technical field [0001] The invention relates to the field of feed, in particular to a crab feed capable of improving immunity and a preparation method thereof. Background technique [0002] Crabs have a wide variety of food, small fish and shrimp are their favorite, but some crabs eat seaweed, even animal carcasses or plants, they spend most of their time looking for food, they are not picky eaters, as long as they can chew All kinds of food can be eaten, which also affects the tenderness and taste of crab meat. In addition, many crab animal feeds currently on the market use fresh or frozen small miscellaneous fish and fish meal as the main raw materials, which have the disadvantages of destroying fish resources and easily polluting water sources. These feeds tend to become mushy in water, which is not suitable for crabs. Like the eating habit of molded food; In addition, the existing crab feed species is single, the nutritional structure is unbalanced, and it is easy to ro...

AI Technical Summary

Problems solved by technology

In addition, many crab animal feeds currently on the market use fresh or frozen small miscellaneous fish and fish meal as the main raw materials, which have the disadvantages of destroying fish resources and easily polluting water sources. These feeds tend to become mushy in water, which is not suitable for crabs. I like the eating habit of molded food; in addition, the existing crab feed has a single variety, unbalanced nutritional structure, and easy corruption and deterioration.