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Water regulating disease preventing biological medium used for freshwater aquaculture animal fry culture

The invention relates to a freshwater aquaculture and bio-based technology, which is applied to a water-adjusting and disease-preventing bio-based for the cultivation of freshwater aquaculture animal seedlings. It can solve the problems of low nutritional value, insufficient nutrients, and inability to effectively participate in material circulation, so as to improve self-purification ability, promote material metabolism, and reduce the occurrence of diseases.

Inactive Publication Date: 2020-06-23
PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional feeding of rotifers has incomplete nutrients and low nutritional value, so special nutrient enhancement technology for rotifers is needed to strengthen microalgae nutrition, etc.
However, these substances are generally deposited on organic debris through the food chain, and cannot effectively participate in the material cycle.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The operating site of this embodiment is: 3 breeding pools of Shixing farm in Shaoguan, Guangdong

[0022] In this actual use case, the mass percentage content of each component of the biological base for water transfer and disease prevention is: 72% of fermented soybean meal, 8% of cane sugar molasses, 14% of wheat bran, 0.5% of Lactobacillus plantarum, 3% of Bacillus coagulans, beer Yeast 1.5%, potassium dihydrogen phosphate 0.4%, calcium dihydrogen phosphate 0.4%, magnesium sulfate 0.1%, sodium chloride 0.1%.

[0023] In this actual use case, the application of water diversion and disease prevention bio-based in grass carp fry standard pond:

[0024] Drain water into the 5-acre cultivation pond in order to deepen it to more than 1.5 meters, put in quicklime, disinfectant, calcium chloride, and magnesium sulfate to keep the pH at 7.8-8.0; keep the total alkalinity at 120-200mg / L; keep the calcium hardness 70-100mg / L; ammonia nitrogen concentration below 0.2mg / L; nitr...

Embodiment 2

[0027] The operating site of this embodiment is: 2 cultivation pools of Weishan farm in Jining, Shandong

[0028] In this actual use case, the mass percentage content of each component of the biological base for water transfer and disease prevention is: 72% of fermented soybean meal, 8% of cane sugar molasses, 14% of wheat bran, 0.5% of Lactobacillus plantarum, 3% of Bacillus coagulans, beer Yeast 1.5%, potassium dihydrogen phosphate 0.4%, calcium dihydrogen phosphate 0.4%, magnesium sulfate 0.1%, sodium chloride 0.1%.

[0029] In this actual use case, the application of water diversion and disease prevention bio-based in grass carp fry standard pond:

[0030]Drain water into the 3.5-acre cultivation pond in order to deepen it to more than 2 meters, put in quicklime, disinfectant, calcium chloride, and magnesium sulfate to keep the pH at 7.8-8.2; keep the total alkalinity at 150-300mg / L; keep the calcium hardness 100-200mg / L; ammonia nitrogen concentration below 0.2mg / L; nitr...

Embodiment 3

[0033] The place of operation of this embodiment is: 4 breeding pools of Jianhu farm in Yancheng, Jiangsu

[0034] In this actual use case, the mass percentage content of each component of the biological base for water transfer and disease prevention is: 75% of fermented soybean meal, 7% of cane sugar molasses, 12% of wheat bran, 0.5% of Lactobacillus plantarum, 3% of Bacillus coagulans, beer Yeast 1.5%, potassium dihydrogen phosphate 0.4%, calcium dihydrogen phosphate 0.4%, magnesium sulfate 0.1%, sodium chloride 0.1%.

[0035] In this example, the application of water diversion and disease prevention bio-based in crucian carp fry standard pond:

[0036] Drain water into the 3.5-acre cultivation pond in order to deepen it to more than 2 meters, put in quicklime, disinfectant, calcium chloride, and magnesium sulfate to keep the pH at 7.8-8.0; keep the total alkalinity at 120-200mg / L; keep the calcium hardness 70-100mg / L; ammonia nitrogen concentration below 0.2mg / L; nitrite c...

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Abstract

The invention is a water regulating disease preventing biological medium used for freshwater aquaculture animal fry culture. The water regulating disease preventing biological medium consists of fermented soybean meal, sugarcane molasses, wheat bran, lactic acid bacteria, saccharomycetes, monopotassium phosphate, monocalcium phosphate, magnesium sulfate and sodium chloride, wherein lactic acid bacteria are obtained by mixing lactobacillus plantarum with bacillus coagulans. By regular use of the biological medium disclosed by the invention, beneficial bacteria communities including ammonifyingbacteria, nitrite bacteria, nitrifying bacteria, denitrifying bacteria and the like can be gradually cultivated in a water body; the biological medium has stable and efficient ''denitriding'' ability,has both an assimilation function and a dissimilation function (making waste nitrogen in the water leave the water body in the form of nitrogen), purifies the water body and stabilizes the system. Inaddition, beneficial microorganisms including yeasts and the like can further be cultivated, and thus, transformation of substances of the water body is promoted, the biomass of zooplanktons in the water body is improved, the growth of bacteria and algae is balanced, feeding nutrition of fries is increased, and the occurrence of diseases is reduced.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a biological base for water diversion and disease prevention for the cultivation of freshwater cultured animal seedlings. Background technique [0002] In order to improve fry survival rate and fry quality, reducing environmental stress and nutritional stress are two effective ways. Usually, on the one hand, the water is thoroughly disinfected. After the larvae open their mouths to feed, in the process of raising seedlings, fresh algae fluids are directional cultivated by applying nitrogen fertilizers and other cultivation techniques to maintain the algae phase, effectively inhibit pathogens, and degrade sediments; Provide suitable and sufficient opening bait in time at each stage of the growth of larvae and juveniles, minimize the nutritional stress on the growth of larvae and juveniles, and ensure a large and stable supply of rotifers, cladocerans, and copepods....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/13A23K50/80A23K10/30A23K10/20A23K10/18C02F9/14C02F3/34C02F101/16C02F103/20
CPCA23K10/18A23K10/20A23K10/30A23K50/80A01K61/13C02F1/66C02F3/34C02F3/347C02F2101/16C02F2101/163C02F2101/166C02F2103/20C02F2305/06Y02A40/81Y02A40/818
Inventor 巩华陈总会江小燕孙承文赖迎迢陶家发赵长臣刘春花黄志斌
Owner PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
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