A kind of senior shrimp seedling open-mouthed bait and preparation method thereof
Technical field
The present invention relates to a seed shrimp seedling open-mouthed bait, belong to mixed feed technical field, refer in particular to a kind of senior shrimp seedling open-mouthed bait for Penaeus Vannmei and preparation method thereof.
Background technology
Penaeus Vannmei, formal name used at school Environment of Litopenaeus vannamei Low (Litopenaeus vannamei), originate in America, being that the Ye Shi world of current China three is main greatly supports one of prawn, but in recent years along with kind of matter is constantly degenerated, disease constantly increases, the cultivation of Penaeus Vannmei is more and more difficult, the height outburst rate of disease also makes per mu yield constantly drop, loss of capital client constantly increases, especially the EMS occurred in recent years, outburst is easy within cultivation 15 ~ 40d, wherein key reason is exactly that close shrimp species matter is poor, shrimp nutrition in seedling stage is unbalanced, cause juvenile prawn hypoimmunity, easy outburst EMS.
The current scarcity of resources of Penaeus Vannmei Zhong Zhi aspect China, but white leg Shrimp ensures that balanced in nutrition is to accomplish seedling stage.At the white leg Shrimp seedling initial stage, juvenile prawn mainly with algae and water and small-sized protozoan etc. for food source, but in reality, because each shrimp pool water body girth of a garment differs, algae and protozoan number differ, cause nutritional deficiency or unbalance, therefore cause shrimp seedling primary growth slow, premunition is low, the phenomenon such as corpus hemorrhagicum, cramp is often there is within cultivating one month, even break out EMS, finally cause shrimp shoot survival percent low, cause very large loss to raiser.
White leg Shrimp seedling open-mouthed bait is little in the market, although existing juvenile prawn trumpet material supply on market, general particle diameter is excessive, nutrition is unbalanced, can not meet the demand of shrimp seedling.Therefore, in order to white leg Shrimp seedling own growth speed and immunity can be improved, need a kind ofly to provide sufficient nutrition, white leg Shrimp seedling open-mouthed bait that granular size is suitable seedling stage at white leg Shrimp.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of senior shrimp seedling open-mouthed bait is provided, the nutritional need in white leg Shrimp seedling stage can be met, ensure the raising of shrimp shrimp in the seedling stage seedling speed of growth and autoimmunity, ensure shrimp shoot survival percent, simultaneously shrimp seedling open-mouthed bait particle size is suitable, can meet shrimp seedling and to ingest demand.
Second object of the present invention is the preparation method providing above-mentioned senior shrimp seedling open-mouthed bait.
In order to realize first object, the present invention realizes according to following technical scheme:
A kind of senior shrimp seedling open-mouthed bait, it includes the component of following percentage by weight: fish meal 25 ~ 40%, shrimp med 3 ~ 8%, shrimp chaff 1 ~ 4%, meat meal tankage 1 ~ 3%, prosperous peptide albumen 1 ~ 3%, fermented bean dregs 1 ~ 5%, the skin-free beans dregs of rice 8 ~ 18%, peanut press pulp 8 ~ 18%, squid liver paste 2 ~ 4%, yeast autolysis powder 0.5 ~ 1.5%, active lactic acid bacteria powder 0.5 ~ 1.5%, bacillus 0.5 ~ 1.5%, Strong flour 15 ~ 25%, bentonite 0.5 ~ 2%, ocean fish oil 0.5 ~ 1.5%, soybean oil 0.3 ~ 1%, soybean lecithin 1 ~ 3%, calcium dihydrogen phosphate 0.5 ~ 2.0%, cholesterol 0.1 ~ 1%, glucan 0.1 ~ 1%, 35% vitamin C-phosphoesterase 30 .05 ~ 0.2%, astaxanthin 0.05 ~ 0.2%, compound vitamin 0.1 ~ 0.5%, composite mineral salt 1.5 ~ 2.5%.
Further, described one senior shrimp seedling open-mouthed bait, it includes the component of following weight: fish meal 35.0kg, shrimp med 4.0kg, shrimp chaff 2.0kg, meat meal tankage 2.0kg, prosperous peptide albumen 2.0kg, fermented bean dregs 2.5kg, skin-free beans dregs of rice 10.0kg, peanut press pulp 10.0kg, squid liver paste 1.5kg, yeast autolysis powder 1.0kg, active lactic acid bacteria powder 1.0kg, bacillus 1.0kg, Strong flour 18kg, bentonite 1.5kg, ocean fish oil 1.0kg, soybean oil 0.5kg, soybean lecithin 2.3kg, calcium dihydrogen phosphate 1.5kg, cholesterol 0.3kg, glucan 0.3kg, 35% vitamin C-phosphoesterase 30 .1kg, astaxanthin 0.1kg, compound vitamin 0.3kg, composite mineral salt 2.1kg.
In order to realize second object, the present invention realizes according to following technical scheme:
A preparation method for senior shrimp seedling open-mouthed bait, it includes following steps:
S1, take each component raw material according to proportioning, raw material larger for wherein particle is pulverized for the first time;
S2, the raw material in S1 step to be mixed, after mixed material is carried out ultramicro grinding;
S3, by S2 step pulverize after material carry out modified, granulate;
S4, the granulated meal in S3 step is carried out drying, cooling, after carry out ultramicro grinding again, be packaged into bag.
Further, in described S1 step, the component raw material except ocean fish oil, soybean oil and soybean lecithin pulverized for the first time, the raw material after first pulverizing need by 40 mesh sieves.
Further, in described S2 step, mixing carries out in mixer, and the mixed material after ultramicro grinding needed 80 mesh sieves, and the material after ultramicro grinding adds ocean fish oil, soybean oil and soybean lecithin, again mixes.
Further, in described S3 step, modified is carry out in quality controling machine, and pass into the steam of 70 ~ 100 DEG C, conditioning period is 3 ~ 6 minutes; Granulation carries out in granulator, and temperature is 75 ~ 100 DEG C, and feed particle diameter is 1.6mm.
Further, in described S4 step, the feed after ultramicro grinding needed 80 mesh sieves.
Further, described modified temperature is 88 DEG C, and the modified time is 5 minutes; The temperature of described granulation is 85 DEG C.
Compared with prior art, its beneficial effect is in the present invention:
(1) white leg Shrimp seedling stage is effectively met to comprehensive demand of nutriment, fast growth;
(2) probability of the development by metamorphosis in white leg Shrimp seedling stage can be significantly improved;
(3) significantly improve Penaeus Vannmei liver pancreas, intestinal health, shrimp shoot survival percent significantly improves;
(4) raw materials used is convenient source, steady sources, cheap.
In order to the present invention can be understood more clearly, below the specific embodiment of the present invention will be elaborated.
Detailed description of the invention
Prepare shrimp seedling open-mouthed bait according to following steps, be specially:
S1, each component is taken: fish meal 35.0kg according to following weight, shrimp med 4.0kg, shrimp chaff 2.0kg, meat meal tankage 2.0kg, prosperous peptide albumen 2.0kg, fermented bean dregs 2.5kg, skin-free beans dregs of rice 10.0kg, peanut press pulp 10.0kg, squid liver paste 1.5kg, yeast autolysis powder 1.0kg, active lactic acid bacteria powder 1.0kg, bacillus 1.0kg, Strong flour 18kg, bentonite 1.5kg, ocean fish oil 1.0kg, soybean oil 0.5kg, soybean lecithin 2.3kg, calcium dihydrogen phosphate 1.5kg, cholesterol 0.3kg, glucan 0.3kg, 35% vitamin C-phosphoesterase 30 .1kg, astaxanthin 0.1kg, compound vitamin 0.3kg, composite mineral salt 2.1kg,
S2, larger for particle in said components raw material (except ocean fish oil, soybean oil and soybean lecithin) to be pulverized for the first time, first pulverize after raw material need by 40 mesh sieves;
S3, the component raw material after above-mentioned first pulverizing to be mixed in mixer, after mixed material is carried out ultramicro grinding, the mixed material after ultramicro grinding needed 80 mesh sieves, then added ocean fish oil, soybean oil and soybean lecithin, again mixed;
S4, all materials mixed are carried out modified, granulate; Modified is carry out in quality controling machine, and pass into the steam of 88 DEG C, conditioning period is 5 minutes; Granulation carries out in granulator, and temperature is 85 DEG C, and feed particle diameter is 1.6mm;
S5, granulated meal is carried out drying, cooling, after carry out ultramicro grinding again, the feed after ultramicro grinding needed 80 mesh sieves, was finally packaged into bag.
A kind of Penaeus Vannmei provided by the invention senior shrimp seedling open-mouthed bait, its basic point of departure is exactly put the seedling initial stage in white leg Shrimp seedling hatching factory's hatching and the large pool to meet its nutrition and immune demand.First consider that white leg Shrimp natural bait in seedling stage is not enough, nutrition is balanced not, the features such as the material of shrimp seedling immunity is not enough can be provided in bait, use first or optimize as the components such as yeast autolysis powder, active lactic acid bacteria powder, glucan, vitamin C-phosphate combination, by adding yeast autolysis powder, glucan, vitamin C-component such as phosphate, calcium dihydrogen phosphate, carrying out smoothly of the development by metamorphosis of shrimp seedling, fast degenerate cllipticity process can be ensured in the white leg Shrimp Seedlings development stage.Senior shrimp seedling open-mouthed bait provided by the invention also contemplates protects the health of its liver pancreas and enteron aisle at shrimp seedling at growth and development stage; preferentially provide a series of active princlple (as yeast autolysis powder, active lactic acid bacteria powder, bacillus, glucan etc.); by adding the components such as yeast autolysis powder, active lactic acid bacteria powder, glucan; effectively can safeguard shrimp shrimp in seedling stage seedling pancreas, intestinal health; improve shrimp seedling immunity, ensure shrimp shoot survival percent.
Pass through culture experiment, result shows whole nutritional needs that senior shrimp seedling open-mouthed bait of the present invention can meet shrimp seedling and grows in white leg Shrimp seedling growth process, the white leg Shrimp seedling speed of growth improves more than 15%, growth cycle shortens 10 ~ 15d, shrimp seedling immunity significantly improves, liver pancreas is clear, and enteron aisle is full, sturdy, and shrimp shoot survival percent improves 15 ~ 20%.Compared with common commercial feed, senior shrimp seedling open-mouthed bait of the present invention is raw materials used is convenient source, steady sources, cheap.
The present invention is not limited to above-mentioned embodiment, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these change and modification.