CN105028999A - Young river crab fodder component and preparation method thereof - Google Patents

Abstract

The invention provides a young river crab fodder component and a preparation method thereof. The young river crab fodder component comprises the following raw materials in parts by weight: 8-20 parts of rice bran, 5-18 parts of bean cakes, 5-12 parts of silkworm chrysalis, 5-15 parts of sweet potato powder, 3-10 parts of potatoes, 3-8 parts of fish meal, 3-8 parts of lean meat powder, 3-8 parts of viviparidae powder, 2-6 parts of duckweed, 4-10 parts of vallisneria natans, 5-15 parts of mineral salt, 3-8 parts of green Chinese onion juice, 2-5 parts of eclosion hormone and 2-5 parts of a preservative. The young river crab fodder component has the following advantages: exuviation of young river crabs can be quickly realized, the soft shells of exuviated young river crabs can quickly grow into hard shells, the autoimmunity of young river crabs can be improved, the quick growth of young river crabs can be facilitated, and the situation that after growing up, young river crabs are delicious in meat and rich in nutrition is guaranteed.

Description

Children's feed for river crab component and preparation method thereof

Technical field

The present invention relates to field of feed processing, be specifically related to a kind of young feed for river crab component and preparation method thereof.

Background technology

Along with improving constantly of people's living standard, put optional food materials on people's dining table also more and more abundanter, due to the delicious meat of river crab, nutritious, be one of food materials enjoying people to like.

But present river crab is in its poor growth of young crab, harsher to the environmental requirement of raising, and easily there is repeatedly shell phenomenon, the attack that period is also vulnerable to other river crabs injures, the autoimmunity of children river crab also declines, cause the survival rate of young crab to reduce during raising, certain economic loss is brought to raiser.

Summary of the invention

For the deficiencies in the prior art, the invention provides a kind of young feed for river crab component and preparation method thereof, make young river crab in the process of growth, shell can be realized fast, and young river crab can be realized grow into duricrust from the soft shell after shell fast, can also be improved to young river crab autoimmunity.

For realizing above object, the present invention is achieved by the following technical programs:

A kind of young feed for river crab component, the composition by weight of raw material is: rice bran 8-20 part, soya-bean cake 5-18 part, silkworm chrysalis 5-12 part, sweet potato powder 5-15 part, potato 3-10 part, fish meal 3-8 part, lean meat powder 3-8 part, river snail powder 3-8 part, duckweed 2-6 part, eel grass 4-10 part, mineral salt 5-15 part, shallot juice 3-8 part, shell element 2-5 part, anticorrisive agent 2-5 part.

Preferably, the components by weight percent of raw material is: rice bran 10-18 part, soya-bean cake 8-18 part, silkworm chrysalis 5-10 part, sweet potato powder 7-10 part, potato 4-8 part, fish meal 3-5 part, lean meat powder 3-5 part, river snail powder 3-6 part, duckweed 2-4 part, eel grass 4-7 part, mineral salt 7-11 part, shallot juice 3-5 part, shell element 2-3 part, anticorrisive agent 2-4 part.

Preferably, described mineral salt, its raw material each component is divided into according to weight portion: calcium dihydrogen phosphate 30 parts, 30 parts, calcium phosphate, calcium lactate 30 parts, 10 parts, sodium chloride.

Preferably, the preparation method of described young feed for river crab, step is as follows:

1) take rice bran by the composition by weight of young feed for river crab component raw material, potato, duckweed, eel grass carry out pulverizing process, cross 20-40 order;

2) by weight rice bran, soya-bean cake, silkworm chrysalis, sweet potato powder, potato, fish meal, lean meat powder, river snail powder, duckweed, eel grass, mineral salt, shallot juice, shell element, anticorrisive agent are put into mixer, add the water of raw material total weight parts 3-5% simultaneously, carry out mix and blend, control reaction temperature 50 DEG C-60 DEG C;

3) with granulator, the raw material in mixer is made the graininess that diameter is 0.5-1.5mm, and carry out cooling, dryly process and get final product.

The invention provides a kind of young feed for river crab component and preparation method thereof, in raw material, shell element can slough off the housing that young river crab goes always in time, the mineral matter salinity adopted, the phosphate of contained feed grade, the soft shell that calcium salt can have supplementary young river crab to stay in shell, supplement required mineral matter and inorganic salts in time, soft shell is made to be grown to duricrust, complete whole shell process, the duckweed also contained in raw material, eel grass pasture and water class and fish meal, lean meat powder, the collocation of river snail powder class uses, effectively can supplement the various nutriments that young river crab is required in growth course, required shallot juice is added on effect that young feed for river crab component effectively can play sterilizing, also can improve the immunocompetence of young river crab self simultaneously, the raw material of feed ingredient easily obtains, economical and practical, preparation method is simple, the cultivation factory being applicable to middle and small scale independently produces.

Detailed description of the invention

For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Embodiment 1:

A kind of young feed for river crab component, the composition by weight of raw material is: 9 parts, rice bran, soya-bean cake 11 parts, silkworm chrysalis 7 parts, 14 parts, sweet potato powder, potato 7 parts, fish meal 7 parts, 6 parts, lean meat powder, 4 parts, river snail powder, 4 parts, duckweed, eel grass 5 parts, calcium dihydrogen phosphate 3 parts, 3 parts, calcium phosphate, calcium lactate 3 parts, 1 part, sodium chloride, 6 parts, shallot juice, shell element 5 parts, anticorrisive agent 5 parts.

The preparation method of children's feed for river crab, step is as follows:

1) take rice bran by the composition by weight of young feed for river crab component raw material, potato, duckweed, eel grass carry out pulverizing process, cross 20 orders;

2) by weight rice bran, soya-bean cake, silkworm chrysalis, sweet potato powder, potato, fish meal, lean meat powder, river snail powder, duckweed, eel grass, mineral salt, shallot juice, shell element, anticorrisive agent are put into mixer, add the water of raw material total weight parts 5% simultaneously, carry out mix and blend, control reaction temperature 50 DEG C;

3) with granulator, the raw material in mixer is made the graininess that diameter is 1mm, and carry out cooling, dryly process and get final product.

Embodiment 2:

A kind of young feed for river crab component, the composition by weight of raw material is: 9 parts, rice bran, soya-bean cake 9 parts, silkworm chrysalis 11 parts, 9 parts, sweet potato powder, potato 6 parts, fish meal 4 parts, 4 parts, lean meat powder, 5 parts, river snail powder, 5 parts, duckweed, eel grass 8 parts, calcium dihydrogen phosphate 4.5 parts, 4.5 parts, calcium phosphate, calcium lactate 4.5 parts, 1.5 parts, sodium chloride, 7 parts, shallot juice, shell element 4 parts, anticorrisive agent 4 parts.

The preparation method of children's feed for river crab, step is as follows:

1) take rice bran by the composition by weight of young feed for river crab component raw material, potato, duckweed, eel grass carry out pulverizing process, cross 30 orders;

2) by weight rice bran, soya-bean cake, silkworm chrysalis, sweet potato powder, potato, fish meal, lean meat powder, river snail powder, duckweed, eel grass, mineral salt, shallot juice, shell element, anticorrisive agent are put into mixer, add the water of raw material total weight parts 4% simultaneously, carry out mix and blend, control reaction temperature 55 DEG C;

3) with granulator, the raw material in mixer is made the graininess that diameter is 1.5mm, and carry out cooling, dryly process and get final product.

Embodiment 3:

A kind of young feed for river crab component, the composition by weight of raw material is: 15 parts, rice bran, soya-bean cake 16 parts, silkworm chrysalis 9 parts, 9 parts, sweet potato powder, potato 7 parts, fish meal 5 parts, 4 parts, lean meat powder, 5 parts, river snail powder, 3 parts, duckweed, eel grass 6 parts, calcium dihydrogen phosphate 3 parts, 3 parts, calcium phosphate, calcium lactate 3 parts, 1 part, sodium chloride, 5 parts, shallot juice, shell element 3 parts, anticorrisive agent 3 parts.

The preparation method of children's feed for river crab, step is as follows:

1) take rice bran by the composition by weight of young feed for river crab component raw material, potato, duckweed, eel grass carry out pulverizing process, cross 40 orders;

2) by weight rice bran, soya-bean cake, silkworm chrysalis, sweet potato powder, potato, fish meal, lean meat powder, river snail powder, duckweed, eel grass, mineral salt, shallot juice, shell element, anticorrisive agent are put into mixer, add the water of raw material total weight parts 3% simultaneously, carry out mix and blend, control reaction temperature 60 DEG C;

3) with granulator, the raw material in mixer is made the graininess that diameter is 0.5mm, and carry out cooling, dryly process and get final product.

60 days growth contrast experiments were carried out to the young river crabs of 40 days that have produced, adopt existing feed and young feed for river crab provided by the invention to carry out nursing to test, respectively get 100 similar crabs of size, be placed in similar environment and grow, observed result after 60 days, experiment shows:

In the control group throwing in existing feed, young river crab every only average shell 4-5 time, weight average weightening finish 220%, survival rate 87%; In input young feed for river crab experimental group of the present invention, young river crab every only average shell 6-7 time, weight average weightening finish 350%, survival rate 94%.

As can be seen here, young feed for river crab of the present invention has extraordinary facilitation effect for young river crab shell growth.

Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (4)

1. a young feed for river crab component, it is characterized in that, the composition by weight of raw material is: rice bran 8-20 part, soya-bean cake 5-18 part, silkworm chrysalis 5-12 part, sweet potato powder 5-15 part, potato 3-10 part, fish meal 3-8 part, lean meat powder 3-8 part, river snail powder 3-8 part, duckweed 2-6 part, eel grass 4-10 part, mineral salt 5-15 part, shallot juice 3-8 part, shell element 2-5 part, anticorrisive agent 2-5 part.

2. young feed for river crab component as claimed in claim 1, it is characterized in that, the components by weight percent of raw material is: rice bran 10-18 part, soya-bean cake 8-18 part, silkworm chrysalis 5-10 part, sweet potato powder 7-10 part, potato 4-8 part, fish meal 3-5 part, lean meat powder 3-5 part, river snail powder 3-6 part, duckweed 2-4 part, eel grass 4-7 part, mineral salt 7-11 part, shallot juice 3-5 part, shell element 2-3 part, anticorrisive agent 2-4 part.

3. young feed for river crab component as claimed in claim 1 or 2, is characterized in that, described mineral salt, and its raw material each component is divided into according to weight portion: calcium dihydrogen phosphate 30 parts, 30 parts, calcium phosphate, calcium lactate 30 parts, 10 parts, sodium chloride.

4. young feed for river crab component as claimed in claim 3, it is characterized in that, preparation method's step is as follows:

1) take rice bran by the composition by weight of young feed for river crab component raw material, potato, duckweed, eel grass carry out pulverizing process, cross 20-40 order;

2) by weight rice bran, soya-bean cake, silkworm chrysalis, sweet potato powder, potato, fish meal, lean meat powder, river snail powder, duckweed, eel grass, mineral salt, shallot juice, shell element, anticorrisive agent are put into mixer, add the water of raw material total weight parts 3-5% simultaneously, carry out mix and blend, control reaction temperature 50 DEG C-60 DEG C;

3) with granulator, the raw material in mixer is made the graininess that diameter is 0.5-1.5mm, and carry out cooling, dryly process and get final product.