CN105325763A - Young river crab feed - Google Patents

Abstract

The invention relates to the technical field of aquaculture feed, in particular to young river crab feed. The young river crab feed is prepared from, by weight, 100-150 parts of locust powder, 50-80 parts of fairy shrimp powder, 30-40 parts of shrimp meal, 2-5 parts of linolenic acid, 5-8 parts of crab shell powder, 1-2 parts of zinc gluconate, 80-100 parts of diatom, 10-18 parts of fermented bean curds, 2-3 parts of multi-vitamins and 2-3 parts of rare earth. According to the young river crab feed, the proportion is reasonable, the nutrition is rich, the resistance of young crabs can be enhanced, the adaptive capacity of the young crabs to the environment can be improved, the exuviating time of the young river crabs can be shortened, and not only can the feed cost be reasonably saved, but also the daily gain of the young crabs can be increased to enable the young crabs to rapidly adapt to the environment and reach the stocking standard.

Description

A kind of Pinnotheres of Chinese Mitten Crabs feed

Technical field

The present invention relates to aquaculture feed, be specifically related to a kind of Pinnotheres of Chinese Mitten Crabs feed.

Background technology

River crab is one of development in recent years aquaculture kind of getting up, many raisers experience of breeding fish traditionally in feeding process carrys out crab farming, but output is not high, market price is not high in addition, disease is serious, a lot of raiser is lost year after year, in culture of Chinese mitten crab process, the survival rate of children crab affects one of culture benefit key factor, after the hatching of children crab, because of individual little, weak, take food ability low, can not directly put in a suitable place to breed to lake to the factor of adaptive capacity to environment difference, in the large water body such as pond, need manually to bring up a period of time, make its have sufficient adaptive capacity after just can put in a suitable place to breed, in raising process, young crab eats feed and has a direct impact effect to young crab physical development.

Summary of the invention

The invention provides a kind of Pinnotheres of Chinese Mitten Crabs feed.

The technical solution used in the present invention is, a kind of Pinnotheres of Chinese Mitten Crabs feed, counts by weight, and it is made up of following raw material:

Yellow worm powder 100-150 part, fairy shrimp powder 50-80 part, shrimp med 30-40 part, leukotrienes 2-5 part, crab shell powder 5-8 part, zinc gluconate 1-2 part, diatom 80-100 part, fermented bean curd 10-18 part, B B-complex 2-3 part, rare earth 2-3.

Forage compounding of the present invention is reasonable, nutritious, can strengthen the resistance of young crab, improve the adaptive capacity of young crab to environment, shorten the shell time of juvenile river crab, rationally can not only save feed cost, also improve the daily gain of young crab, make it conform fast, reach the standard of putting in a suitable place to breed.

Detailed description of the invention

Embodiment 1,100 parts, yellow worm powder, 50 parts, fairy shrimp powder, shrimp med 30 parts, leukotrienes 2 parts, 5 parts, crab shell powder, zinc gluconate 1 part, 80 parts, diatom, 10 parts, fermented bean curd, B B-complex 2 parts, rare earth 2 parts.

Embodiment 2,150 parts, yellow worm powder, 80 parts, fairy shrimp powder, shrimp med 40 parts, leukotrienes 5 parts, 8 parts, crab shell powder, zinc gluconate 2 parts, 100 parts, diatom, 18 parts, fermented bean curd, B B-complex 3 parts, rare earth 3 parts.

Embodiment 3,120 parts, yellow worm powder, 60 parts, fairy shrimp powder, shrimp med 35 parts, leukotrienes 3 parts, 7 parts, crab shell powder, zinc gluconate 1.5 parts, 90 parts, diatom, 15 parts, fermented bean curd, B B-complex 2.5 parts, rare earth 2.5 parts.

Below in conjunction with concrete culture experiment, the present invention will be described,

Young crab is put in a suitable place to breed in culturing pool, breeding density is 20,000-3 ten thousand/square metre, cultivation depth of water 0.4-0.8m, proportioning gets 130 parts, yellow worm powder by weight, 70 parts, fairy shrimp powder, shrimp med 38 parts, leukotrienes 4 parts, 6 parts, crab shell powder, zinc gluconate 1.7 parts, 95 parts, diatom, 17 parts, fermented bean curd, B B-complex 2.8 parts, add water and appropriate dextrin put into comminutor granulation, obtain young crab feed particle diameter and be less than 2mm, to throw something and feed respectively in noon every day and evening 2 young crab feeds, each feeding volume is the 1%-2% of young crab body weight, after feeding continuously 14-16 days, the young crab of 98% can realize 3 shells, after shell 3 times, every only young crab average weight only can reach 2-3g/, and feed that young crab needs by conventional feed about 20 days could shell 3 times, after shell 3 times, young crab average weight only has 0.5-1g/ only.

Claims (1)

1. a Pinnotheres of Chinese Mitten Crabs feed, is characterized in that, counts by weight, and it is made up of following raw material:

Yellow worm powder 100-150 part, fairy shrimp powder 50-80 part, shrimp med 30-40 part, leukotrienes 2-5 part, crab shell powder 5-8 part, zinc gluconate 1-2 part, diatom 80-100 part, fermented bean curd 10-18 part, B B-complex 2-3 part, rare earth 2-3.