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Water regulating agent for raw fish breeding

A water agent and raw fish technology, applied in biological water/sewage treatment, water pollutants, water/sewage treatment, etc., can solve problems such as high breeding density, quality impact, serious water pollution of raw fish farming, etc., and achieve reduction of ammonia nitrogen Content, the effect of promoting utilization

Inactive Publication Date: 2020-04-10
清远海贝生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing raw fish breeding methods are intensive, with high breeding density and large amount of feed. High-protein raw fish feed has a serious impact on the quality of aquaculture water. The extremely deteriorating water quality naturally restricts the quality of aquaculture raw fish normal growth of
[0005] Currently commonly used treatment methods such as changing water, chemical drugs or physical chemistry have been unable to fundamentally solve the problem of serious water pollution in raw fish farming

Method used

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  • Water regulating agent for raw fish breeding
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Examples

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Effect test

Embodiment 1

[0025] A water-adjusting agent for raw fish cultivation, comprising the following components by weight: 20 g of yeast culture, 15 g of yucca extract, 3 g of composite bacteria; the composite bacteria include: photosynthetic bacteria, nitrifying bacteria, Bacillus amyloliquefaciens, The mass ratio of the composite bacteria is 1:2:3 in sequence.

[0026] For the preparation of the yeast culture, wheat bran is used to inoculate yeast with an inoculation amount of 3% for fermentation, and the fermentation time is 6 days.

[0027] The preparation method of the Yucca extract comprises the following steps: S1. Pulverize the Yucca into 30-mesh particles; S2. Add 65% ethanol solution for reflux extraction for 3 hours according to the solid-liquid ratio of 1:20, and extract 4 times; S3. Merge Add 95% ethanol solution to the extract in step S2 for precipitation; S4. Concentrate and dry the filtrate in step S3.

Embodiment 2

[0029] A water-adjusting agent for raw fish breeding, comprising the following components by weight: 35g of yeast culture, 10g of yucca extract, 5g of composite bacteria; the composite bacteria include: photosynthetic bacteria, nitrifying bacteria, Bacillus amyloliquefaciens, The mass ratio of the composite bacteria is 3:5:7 in turn.

[0030] For the preparation of the yeast culture, wheat bran is used to inoculate yeast for fermentation according to the inoculum amount of 3%, and the fermentation time is 10 days.

[0031] The preparation method of the Yucca extract comprises the following steps: S1. Pulverize the Yucca into 45-mesh particles; S2. Add 75% ethanol solution for reflux extraction for 4 hours according to the solid-liquid ratio of 1:30, and extract 3 times; S3. Merge Add 98% ethanol solution to the extract in step S2 for precipitation; S4. Concentrate and dry the filtrate in step S3.

Embodiment 3

[0033] A water-adjusting agent for raw fish breeding, comprising the following components by weight: 27g of yeast culture, 13g of yucca extract, 4g of composite bacteria; said composite bacteria include: photosynthetic bacteria, nitrifying bacteria, Bacillus amyloliquefaciens, The mass ratio of the composite bacteria is 2:4:5 in turn.

[0034] For the preparation of the yeast culture, wheat bran was used to inoculate yeast with an inoculation amount of 4% for fermentation, and the fermentation time was 8 days.

[0035] The preparation method of the Yucca extract comprises the following steps: S1. Pulverizing the Yucca into 40-mesh particles; S2. Adding 70% ethanol solution for reflux extraction according to the solid-liquid ratio of 1:25 for 3.5 hours, and extracting 3 times; S3. Combine the extracts in step S2, add 97% ethanol solution for precipitation; S4. Concentrate and dry the filtrate in step S3.

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Abstract

The invention relates to the field of aquaculture, particularly to a water regulating agent for raw fish breeding, wherein the water regulating agent comprises the following components in parts by weight: 20-35 parts of a yeast culture product, 10-15 parts of a yucca extract and 3-5 parts of compound bacteria, wherein the compound bacteria comprise photosynthetic bacteria, nitrifying bacteria andbacillus amyloliquefaciens according to a mass ratio of (1-3):(2-5):(3-7). According to the water regulating agent for raw fish breeding, the yeast culture product is rich in fibers, insoluble in water and fluffy, so that the whole water regulating agent suspends in a water layer so as to avoid the waste caused by sinking into the water bottom; the yucca extract can directly adsorb ammonia nitrogen in a water body, and can promote the conversion of ammonia gas into bacterial protein by nitrifying bacteria so as to improve the utilization of the water layer nitrogen source; and under the combined action of the yeast culture product, the yucca extract and the compound bacteria, the water regulating agent can effectively and quickly reduce the ammonia nitrogen content in a water body and stably play a role.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a water-adjusting agent for raw fish cultivation. [0002] technical background [0003] "Water first in fish farming", good water quality is extremely important for the survival and growth of aquatic animals. The deterioration of water quality is the main factor affecting the survival rate and output of aquaculture organisms, and it is also the main cause of aquatic disease outbreaks. The outbreak of breeding diseases will lead to the large-scale use of chemicals such as antibiotics, and the antibiotics left in animals pose a threat to human health. Therefore, maintaining the purification of the aquaculture environment has become the key and research hotspot for the sustainable development of the aquaculture industry. The aquaculture industry is increasingly developing towards high density and intensification, and the quality of aquaculture water has increasingly become a key factor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28C02F3/34C02F101/16C02F103/20
CPCC02F1/286C02F3/34C02F3/342C02F2101/16C02F2103/20
Inventor 齐振雄李小梅肖岚张家学王蔚淼
Owner 清远海贝生物技术有限公司
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