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Composition and application method for preventing and treating bacterial diseases of Penaeus vannamei

A composition and bacteriological technology, applied in the direction of antibacterial drugs, medical preparations containing active ingredients, pharmaceutical formulas, etc., can solve problems such as difficult absorption and inconvenient use, and reduce morbidity, reduce disease morbidity, improve Predatory effect

Active Publication Date: 2020-12-15
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The essential oil formula solves the problem of difficult absorption and inconvenient use of traditional Chinese medicine in aquatic products. It has significant antibacterial and bactericidal effects, low toxicity to shrimp, and simple operation. and other integrated treatment supporting technologies and usage specifications

Method used

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  • Composition and application method for preventing and treating bacterial diseases of Penaeus vannamei

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Using the inhibition zone method and micro-double dilution method, the important pathogenic bacteria: Vibrio Parahaeolyticus (V. alginolyticus, V.harveyi, V.marinus, V.anguillarum), Aeromonas (Aeromonashydrophila, A.formicans) and Pseudomonas (Pseudomonas fluorescene, P.putida), in vitro antibacterial effect experiment, the results It was shown that in terms of the size of the inhibition zone, the average inhibitory concentration and the average bactericidal concentration, eucalyptus leaves, oregano, and thyme had the best antibacterial effects, and the best volume ratio of the three was 5:3:2.

[0014] Using eucalyptus leaves, oregano, and thyme three traditional Chinese medicines, extract eucalyptus essential oils, oregano essential oils, and thyme essential oils by water distillation, and use antibacterial zones for the extracted eucalyptus essential oils, oregano essential oils, and thyme essential oils. vannamei AHPND Vibrio parahaemolyticus (Vibrio parahaemolyticu...

Embodiment 2

[0019] A composition for preventing and treating White Spot Syndrome Virus of Penaeus vannamei, comprising eucalyptus essential oil, oregano essential oil and thyme essential oil, the volume percentage ratio of which is edible soybean oil: eucalyptus essential oil: oregano essential oil: thyme essential oil=90:5: 3:2.

[0020] This is the embodiment adopting the preferred technical scheme, mixed essential oils by every 100ml: 90 milliliters of soybean oil, 5 milliliters of eucalyptus essential oil, 3 milliliters of oregano essential oil, 2 milliliters of thyme essential oil.

[0021] The method of using the above composition is as follows: take 200 milliliters of water, put in 1.2 grams of guar gum and mix evenly, drop in 5 milliliters of the above-mentioned mixed essential oils, and stir evenly at the same time, mix in 1 kilogram of feed, dry for 50 minutes after stirring evenly, and then put in in aquaculture water.

[0022] The above method can make the composition adhere ...

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Abstract

The invention relates to a composition for preventing and treating bacteriosis of whiteleg shrimps and a use method. The composition is prepared from edible oil, folium eucalypti folium eucalypti essential oil, majoram essential oil and thyme essential oil according to the volume ratio of 90:5:3:2. The use method of the composition comprises the steps that 200 ml of water is taken, 0.9-1.2 g of guar gum is placed in the water, the materials are mixed to be uniform, 3-5 ml of the composition is added into the mixture dropwise, and meanwhile the materials are stirred to be uniform; 1 kg of fodder is mixed into the mixture, the mixture is aired for 20 min to 60 min after uniform stirring, and then the mixture is put into breeding water. According to the method, the composition can adhere to the fodder and cannot diffuse within a short time after entering the breeding water, and the use effect of the composition is ensured. The cure rate of the composition on the bred whiteleg shrimps diseased at the early stage reaches 90% or above, and the breeding bottleneck that the vibrio parahaemolyticus early death syndrome is hard to cure is broken through; after the composition is applied andpopularized, the incidence rate can be effectively reduced, toxins and harm are avoided, and use of a chemical agent, biological hormones, antibiotics and the like is avoided in the breeding process.

Description

technical field [0001] The invention belongs to the field of drugs for treating aquaculture diseases, and in particular relates to a composition for preventing and treating bacterial diseases of Penaeus vannamei and a use method thereof. Background technique [0002] Penaeus vannamei, whose scientific name is Litopenaeus vannamei, is currently the most farmed crustacean species in the world. It has the characteristics of fast growth, strong disease resistance, and high meat yield, and has extremely high economic value for farming. Vannamei was introduced into my country in 1988 and quickly spread throughout the country. Since 2001, the aquaculture area and output of Litopenaeus vannamei in my country have always ranked first in prawn farming. From 1990 to 2010, the output of Penaeus vannamei aquaculture in the world increased from 100,000 tons to 2.7 million tons, with an average annual growth rate of 135%. However, since 2010, during the cultivation of Penaeus vannamei, d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K36/61A61P31/04
CPCA61K36/53A61K36/61A61P31/04A61K2300/00
Inventor 张天时李健王印庚梁兴明薄万军孔祥科李文龙刘健
Owner YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI