Microbial fermentation feed for litopenaeus vannamei

Abstract

The invention discloses a microbial fermentation feed for litopenaeus vannamei. The microbial fermentation feed is prepared by the following specific steps: after fully mixing photosynthetic bacteria and bacillus, adding brown sugar and uniformly mixing to obtain a mixture A; uniformly spraying the mixture A on a commercially available feed for litopenaeus vannamei to obtain a mixture B; filling the mixture B in a sealed container, and sealing at a normal temperature for fermenting, wherein the fermentation is completed when the temperature of the center of the sealed container rises to 45 DEG C; and taking out a fermented mixture B, air-drying and bagging to obtain the microbial fermentation feed for the litopenaeus vannamei. The microbial fermentation feed for the litopenaeus vannamei, provided by the invention, is suitable for a later charging amount rapid-increasing stage during aquaculture of the litopenaeus vannamei, and is a health care functional feed product which has the functions of increasing the feed utilization rate and the digestibility, protecting the liver of the litopenaeus vannamei and promoting the intestinal bacterium equilibrium.

Description

technical field

[0001] The invention belongs to the field of aquatic animal nutrition and feed science in aquaculture, and in particular relates to a microbial fermented feed for Penaeus vannamei. Background technique

[0002] Cultured Penaeus vannamei has the advantages of fast growth, strong adaptability and high yield, and has become one of the most important cultured shrimp species in my country. However, in the process of high-density industrialized shrimp farming, the pollution of high-protein substances in the feed to the water body, and the pollution of the water body by ammonia, nitrogen, and hydrogen sulfide formed by shrimp excrement often cause a large number of prawns to morbidity and death. For the disease prevention and control in the breeding process, the commonly used technical treatment methods are mainly the large-scale use of antibiotics, quaternary ammonium salts, iodine preparations and other disinfectants, which not only seriously destroys the ecologic...

Examples

Embodiment 1

[0025] This embodiment relates to a kind of microbial fermented feed of Penaeus vannamei, and the main components of this feed are: photosynthetic bacteria---Rhodopseudomonas palustris (Rhodop seudanonas palustris), Bacillus subtilis (Bacillus subtilis), commercial feed of Penaeus vannamei (coarse More than 38wt% protein content, Penaeus vannamei No. 1 granular material), brown sugar; its preparation method is as follows:

[0026] Step 1, after fully mixing photosynthetic bacteria and bacillus, adding brown sugar and mixing evenly to obtain mixture A;

[0027] Step 2, the mixture A is evenly sprayed on the commercially available Penaeus vannamei feed to obtain the mixture B;

[0028] Step 3, put the mixture B in a well-sealed plastic garden bucket, flatten the feed in the bucket and gently compact it, cover it with a plastic film, fill up the space in the bucket with an old quilt, and seal it;

[0029] Step 4. Seal fermentation at room temperature, monitor the temperature in ...

Embodiment 2～4

[0033] Examples 2-4 are the same as Example 1, the difference lies in the amount of photosynthetic bacteria, bacillus, brown sugar and commercially available Penaeus vannamei feed, see Table 1 for details.

[0034] Table 1

[0035] Element

Embodiment 5

[0036] Embodiment 5, growth index experiment

[0037] The purpose of the present embodiment is to study the impact of using the Penaeus vannamei microbial fermented feed of the present invention on the growth index of prawns; Concrete comparison test is as follows:

[0038] The culture experiment of Penaeus vannamei was carried out by using the filtered circulating water system, and the size of each culture tank was 50×80cm. Establish 4 experimental groups and a control group, each group establishes 3 repetitions (each aquaculture water tank is 1 repetition), throws in 100 tails of vannamei (in the pond for 35 days, the average body weight is 0.32g ± 0.03g body) length 2.62±0.08cm). The experimental groups were fed the microbial fermented feeds of Examples 1-4, respectively, and the control group were fed the basic feed—Penaeus vannamei No. 1. Every day at noon, use a filter circulating water machine to circulate for 2 to 4 hours to purify the water quality, and change hal...

technical field

[0001] The invention belongs to the field of aquatic animal nutrition and feed science in aquaculture, and in particular relates to a microbial fermented feed for Penaeus vannamei. Background technique

[0002] Cultured Penaeus vannamei has the advantages of fast growth, strong adaptability and high yield, and has become one of the most important cultured shrimp species in my country. However, in the process of high-density industrialized shrimp farming, the pollution of high-protein substances in the feed to the water body, and the pollution of the water body by ammonia, nitrogen, and hydrogen sulfide formed by shrimp excrement often cause a large number of prawns to morbidity and death. For the disease prevention and control in the breeding process, the commonly used technical treatment methods are mainly the large-scale use of antibiotics, quaternary ammonium salts, iodine preparations and other disinfectants, which not only seriously destroys the ecologic...

Examples

Embodiment 1

[0025] This embodiment relates to a kind of microbial fermented feed of Penaeus vannamei, and the main components of this feed are: photosynthetic bacteria---Rhodopseudomonas palustris (Rhodop seudanonas palustris), Bacillus subtilis (Bacillus subtilis), commercial feed of Penaeus vannamei (coarse More than 38wt% protein content, Penaeus vannamei No. 1 granular material), brown sugar; its preparation method is as follows:

[0026] Step 1, after fully mixing photosynthetic bacteria and bacillus, adding brown sugar and mixing evenly to obtain mixture A;

[0027] Step 2, the mixture A is evenly sprayed on the commercially available Penaeus vannamei feed to obtain the mixture B;

[0028] Step 3, put the mixture B in a well-sealed plastic garden bucket, flatten the feed in the bucket and gently compact it, cover it with a plastic film, fill up the space in the bucket with an old quilt, and seal it;

[0029] Step 4. Seal fermentation at room temperature, monitor the temperature in ...

Embodiment 2～4

[0033] Examples 2-4 are the same as Example 1, the difference lies in the amount of photosynthetic bacteria, bacillus, brown sugar and commercially available Penaeus vannamei feed, see Table 1 for details.

[0034] Table 1

[0035] Element

Embodiment 5

[0036] Embodiment 5, growth index experiment

[0037] The purpose of the present embodiment is to study the impact of using the Penaeus vannamei microbial fermented feed of the present invention on the growth index of prawns; Concrete comparison test is as follows:

[0038] The culture experiment of Penaeus vannamei was carried out by using the filtered circulating water system, and the size of each culture tank was 50×80cm. Establish 4 experimental groups and a control group, each group establishes 3 repetitions (each aquaculture water tank is 1 repetition), throws in 100 tails of vannamei (in the pond for 35 days, the average body weight is 0.32g ± 0.03g body) length 2.62±0.08cm). The experimental groups were fed the microbial fermented feeds of Examples 1-4, respectively, and the control group were fed the basic feed—Penaeus vannamei No. 1. Every day at noon, use a filter circulating water machine to circulate for 2 to 4 hours to purify the water quality, and change hal...