Comprehensive prevention and control method for infectious hematopoietic necrosis of rainbow trout fry
A technology for comprehensive prevention and control of hematopoietic organ necrosis, applied in chemical instruments and methods, botanical equipment and methods, antiviral agents, etc., can solve the problems of lack of comprehensive prevention and control methods for IHN, achieve a wide range of antibacterial and antiviral, Strong killing ability, guaranteed cleaning effect
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Embodiment 1
[0026] This example provides a bactericidal and antiviral slow-release material with a core-shell structure and a preparation method thereof.
[0027] The core layer of the bactericidal and antiviral slow-release material with a core-shell structure provided in this example is drug-loaded activated carbon, and the shell layer is drug-loaded colloid. Both the drug-loaded activated carbon and the drug-loaded colloid are loaded with iodine preparations: povidone-iodine.
[0028] This embodiment further provides a preparation method for a core-shell structure bactericidal and antiviral slow-release material, including the following steps:
[0029] Step 1, preparation of drug-loaded activated carbon:
[0030] Povidone-iodine is prepared into the povidone-iodine medicinal solution that the available iodine content is 10wt%, the povidone-iodine medicinal solution and active carbon are mixed in the ratio of volume mass ratio 5mL:1g, stir evenly and ultrasonically disperse under 300W p...
Embodiment 2
[0036] This example provides a method for disinfecting water in a hatchery using the bactericidal and antiviral sustained-release material with a core-shell structure in Example 1.
[0037] The specific disinfection method is to inject water with a height of 30cm into the hatching pond or breeding pond in the workshop 5 to 10 days before the fish eggs or fry are stocked, and the water is 1Kg / m 3Dosage Put the bactericidal antiviral slow-release material of embodiment 1 core-shell structure in the pool. After the bactericidal antiviral slow-release material is put into the pool, the sodium alginate in the drug-loaded colloid swells with water, and the povidone-iodine in the colloid is gradually released during the swelling process. Drug activated carbon, the povidone iodine in the drug-loaded activated carbon is also slowly released into the water to play a long-term antiviral effect, and the remaining activated carbon after the antiviral agent is released can also purify and c...
Embodiment 3
[0040] This example provides a bactericidal and antiviral slow-release material with a core-shell structure and a preparation method thereof.
[0041] The core layer of the core-shell structure bactericidal antiviral sustained-release material provided in this example is drug-loaded activated carbon, the loaded antiviral agent is traditional Chinese medicine antiviral concentrate, the shell layer is drug-loaded colloid, and the loaded antiviral agent is povidone iodine.
[0042] This embodiment further provides a preparation method for a core-shell structure bactericidal and antiviral slow-release material, including the following steps:
[0043] Step 1, prepare traditional Chinese medicine antiviral concentrate:
[0044] Soak 15 parts of Radix Isatidis, 15 parts of Honeysuckle, 6 parts of Dandelion, 6 parts of Kudiding, 6 parts of Coptidis Rhizoma, 6 parts of Phellodendron Phellodendron and 6 parts of Forsythia in 10 times the quality of water overnight, and extract at 120°C...
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