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Enteritis, Vibrio infection, antibiotic products are popular, how to choose?

author:Fisheries Research Society

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Enteritis, Vibrio infection, antibiotic products are popular, how to choose?

The correct use of antibiotics will have a good effect on the treatment of aquatic animal diseases, but a large amount or even excessive use will increase the cost of aquaculture production, pollute the water environment, and cause a series of problems such as excessive drug residues in aquatic products.

This paper introduces the types, principles and precautions of antibiotics used in aquaculture, and provides specific methods for aquaculture producers to identify, screen and rationally use antibiotics, which will play a certain guiding role in standardizing the use of antibiotics and reducing the risk of drug use by aquaculture producers.

The latest veterinary drugs that have been approved for aquaculture antibiotics:

Enteritis, Vibrio infection, antibiotic products are popular, how to choose?
Enteritis, Vibrio infection, antibiotic products are popular, how to choose?

2 Main uses of antibiotics for aquaculture

Antibiotics used in aquaculture are mainly used in the treatment of bacterial diseases in aquatic animals. At present, the treatment of most bacterial diseases of aquatic organisms in China adopts the method of combining antimicrobial drugs and disinfectants.

For example, some common fish bacterial diseases, such as bacterial gill rot, erythroderma, erector scales, bacterial enteritis, etc., will be treated with antibiotics, as well as enteritis, jejunum, and vibrio infection in the process of shrimp farming.

3 Precautions for the use of antibiotics in aquaculture

3.1 Antibiotics for aquaculture cannot be used for prophylaxis

Antibiotic drugs cannot be used as preventive drugs for aquatic animal diseases.

There are two reasons for this:

First, whether it is antibacterial or bactericidal antibiotic drugs, they need to reach a certain concentration in aquatic animals before they can play a role. When the drug concentration cannot achieve the antibactericidal effect, it is easy to lead to the development of drug resistance of pathogenic bacteria. Once the aquatic animal does become ill, the reuse of this antibiotic drug will not achieve the therapeutic purpose.

Second, the abuse of antibiotics will inevitably lead to an increase in drug resistance of pathogenic bacteria, and the drug resistance factors between bacteria may be transmitted to each other among bacteria, and the consequences of harm to public health will be more serious than drug residues in aquatic products.

3.2 Standardize the use of antimicrobials for aquaculture

Strictly implement the provisions on the safe use of antimicrobial drugs for aquaculture, strictly prohibit the use of prohibited drugs and other compounds, stop using veterinary drugs, human drugs, fake and inferior veterinary drugs; Strictly implement the system of prescription drugs and drug withdrawal periods, and follow the labels and instructions to mark the items, and treat the symptoms correctly, use them correctly, and use them accurately.

3.3 Scientific and prudent use of antimicrobials for aquaculture

Attaches great importance to the problem of bacterial resistance, clearly grasps the categories of antimicrobial drugs used in aquaculture, adheres to the principle of prudent drug use, hierarchical and classified drug use, and accurately selects antimicrobial products with strong sensitivity and good effect in aquaculture according to the treatment opinions of practicing veterinarians and the results of drug susceptibility tests.

Be cautious in combination with antimicrobials, which can be treated with one antimicrobial, and never use multiple antimicrobials at the same time; Classification and grading of drug varieties, can be treated with general grade antimicrobial drugs, never use higher grade antibacterial drugs; If you can use narrow-spectrum antimicrobials, you don't need broad-spectrum antimicrobials.

3.4 Proper feeding of antibiotics for aquaculture

Some aquaculture disinfectants and insecticides are often used by the method of sprinkling the whole pond, and the antibiotics used in aquaculture can not be administered by the whole pond sprinkling, but should be added to the feed and taken internally. You can buy bait to feed directly, or you can make your own bait, the specific method is: the flour is made into a thin paste, after cooling, the calculated amount of antibiotics is stirred in it, and then the pellet feed is hung in the way of slurry, and fed after drying.

3.5 Actively apply veterinary antimicrobial substitutes

Veterinary drugs with high efficiency, short withdrawal period and low residue are gradually replaced with veterinary drugs with low efficiency, long withdrawal period and easy residue. According to the actual situation of breeding management and disease prevention, promote the application of veterinary traditional Chinese medicine, Chinese herbal medicine, microecological preparations and other green veterinary drugs without residues, replace some veterinary antibacterial drugs, and gradually increase the proportion of use, to achieve ecological green aquatic products.

Through the Fisheries Research Society, it was found that cinnamaldehyde has a very good effect on inhibiting Vibrio, cinnamaldehyde is not only safe and environmentally friendly, but also fragrant smell, containing cinnamaldehyde antimicrobial agent, which has a very significant effect on a variety of Vibrio killing effects.

Enteritis, Vibrio infection, antibiotic products are popular, how to choose?

At the same time, cinnamaldehyde has the ability to strengthen stomach and intestinal movements, and has a very good effect on shrimp white feces and enteritis, and insisting on the use of mixtures can effectively prevent enteritis jejunum and empty stomach.

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The above seal dysentery, the main ingredient is cinnamaldehyde, and the compound has licorice, astragalus, skullcap, perilla, plant alcohol and other traditional Chinese medicine extracts that are beneficial to the gastrointestinal tract, with antibacterial and anti-inflammatory effects, the cinnamaldehyde in the formula acts on the intestines, eliminates pathogenic bacteria on the mucous membrane, and consolidates the first line of defense;

Regulatory authorities, law enforcement agencies, aquaculture users and the public can verify whether the relevant products or substances are in the white list for the use of aquaculture inputs by consulting the normative documents of the Ministry of Agriculture and Rural Affairs and the relevant official website, consulting the competent business authorities, etc.

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