The use of Chinese herbal medicines instead of antibiotics to prevent and treat diseases is not easy to produce drug resistance and toxic side effects, and it will not pollute the water environment. Moreover, Chinese herbal medicine has the effects of regulating body balance and physiological functions, improving body specific and non-specific immunity, enhancing digestion and absorption, enhancing physical fitness, and promoting growth of aquatic animals, and also has functions of antibacterial and virus suppression.
The pathogenic factors in fish and shrimp breeding
1. Poor water environment in nursery ponds Chinese herbal medicines are used to prevent diseases during the nursery process. On the one hand, they can regulate the metabolic balance of larvae and avoid dysfunction; on the other hand, some active ingredients in Chinese herbal medicine can be used for biological, chemical and physical effects. Affect the water environment of nursery ponds, so that it is conducive to the growth and development of larvae in the direction of transformation, and play a role in disease prevention.
2. Malnutrition of larvae The adjustment effect of Chinese herbs has the function of regulating the physiological functions of larvae. It enhances the digestion and absorption of bait and improves its metabolic function. Thus, it can balance the effects of some malnutrition foods and prevent diseases. . In addition, some Chinese herbal medicines also have obvious attractant properties.
The active ingredients and effects of commonly used Chinese herbal medicines The chemical composition of Chinese herbal medicines is extremely complex. A Chinese herbal medicine often contains multiple chemical constituents, but not all of them can play a role in the prevention and treatment of diseases. Effective ingredients that can prevent and treat diseases include polysaccharides, alkaloids, and Anthraquinones, volatile oils, tannins, etc.
1, Garlic Garlic has a broad-spectrum antibacterial effect, has a killing effect on viruses and protozoa, etc., is a highly efficient anti-bacterial insecticide Chinese herbal medicine. When used as a bactericide, it should be freshly prepared and used immediately.
2. The active ingredient of Coptis is berberine (ie, berberine). Coptis has a broad-spectrum antibacterial effect, it can inhibit the growth of a variety of Gram-positive and negative bacteria, inhibit a variety of fungi, and is also effective against some viruses and protozoa. In addition, abasicine also has the effect of enhancing the phagocytic ability of phagocytic cells in animals.
3. Huangqi Huangqiyuan is its main active ingredient. Astragalus has a broad spectrum of antibacterial activity, inhibits Gram-negative and positive cocci, and has some effects on some viruses and many fungi.
4, rhubarb rhubarb contains emodin, rhein, aloe-emodin and other anthraquinone derivatives, with anti-bacterial, anti-fungal, anti-viral effect, have a significant inhibitory effect on the bacterium. In addition, it also has astringent, anti-diarrhea, increase platelets, and promote blood coagulation.
5, Gallnut gall contains tannin and other ingredients, has inhibitory effect on Gram-positive and negative bacteria; on the fungus (watery mildew) has a good control effect; also has hemostasis, detoxification, convergence and other effects.
6. The Daqingye and Banlangen Daqingye are the leaves of the cruciferous plants Cypripedium and Euphorbiaceae plants, Malan and Cymbidium. The Banlangen is the root of Cymbidium. Its active ingredients are alanine, quinone and so on. Both have extensive antibacterial and antiviral effects and detoxification. The anti-viral effect of Banlangen is stronger in the use of Chinese herbs in fish breeding.
1. Usage The use of Chinese herbs in fish and shrimp breeding can be used alone or in combination with several herbs. Commonly used methods of administration are: A. Medicinal bath method, smashing fresh herbs or frying dried Chinese herbal medicine into juice or crushing and soaking juice, uniformly pouring in the nursery pool; B. Medicine bait method, fresh herbs mashing and mixing in bait In the feeding, dry Chinese herbal medicines are crushed into fine powder or decocted into juice for bait feeding.
2, the use of dose According to the author's use of Chinese herbal medicine in the prevention and treatment of artificial breeding of fish and shrimp diseases, the use of medicinal bath method when the Chinese herbal medicine once the dose of 2-5 grams per cubic meter; when the bait method when Chinese herbal medicine crushed by bait weight (dry weight) 0.5%-1.0% of the proportion of mixed feed into the feed.
As the application of Chinese herbal medicines in the artificial breeding of fish and shrimps is rare, some nursery plants are only based on experience. Which of the Chinese herbal medicines are most suitable for use in the artificial breeding of fish and shrimps, as well as the effective dosage and mechanism of action of traditional Chinese medicines, remains to be further studied in the future.
The pathogenic factors in fish and shrimp breeding
1. Poor water environment in nursery ponds Chinese herbal medicines are used to prevent diseases during the nursery process. On the one hand, they can regulate the metabolic balance of larvae and avoid dysfunction; on the other hand, some active ingredients in Chinese herbal medicine can be used for biological, chemical and physical effects. Affect the water environment of nursery ponds, so that it is conducive to the growth and development of larvae in the direction of transformation, and play a role in disease prevention.
2. Malnutrition of larvae The adjustment effect of Chinese herbs has the function of regulating the physiological functions of larvae. It enhances the digestion and absorption of bait and improves its metabolic function. Thus, it can balance the effects of some malnutrition foods and prevent diseases. . In addition, some Chinese herbal medicines also have obvious attractant properties.
The active ingredients and effects of commonly used Chinese herbal medicines The chemical composition of Chinese herbal medicines is extremely complex. A Chinese herbal medicine often contains multiple chemical constituents, but not all of them can play a role in the prevention and treatment of diseases. Effective ingredients that can prevent and treat diseases include polysaccharides, alkaloids, and Anthraquinones, volatile oils, tannins, etc.
1, Garlic Garlic has a broad-spectrum antibacterial effect, has a killing effect on viruses and protozoa, etc., is a highly efficient anti-bacterial insecticide Chinese herbal medicine. When used as a bactericide, it should be freshly prepared and used immediately.
2. The active ingredient of Coptis is berberine (ie, berberine). Coptis has a broad-spectrum antibacterial effect, it can inhibit the growth of a variety of Gram-positive and negative bacteria, inhibit a variety of fungi, and is also effective against some viruses and protozoa. In addition, abasicine also has the effect of enhancing the phagocytic ability of phagocytic cells in animals.
3. Huangqi Huangqiyuan is its main active ingredient. Astragalus has a broad spectrum of antibacterial activity, inhibits Gram-negative and positive cocci, and has some effects on some viruses and many fungi.
4, rhubarb rhubarb contains emodin, rhein, aloe-emodin and other anthraquinone derivatives, with anti-bacterial, anti-fungal, anti-viral effect, have a significant inhibitory effect on the bacterium. In addition, it also has astringent, anti-diarrhea, increase platelets, and promote blood coagulation.
5, Gallnut gall contains tannin and other ingredients, has inhibitory effect on Gram-positive and negative bacteria; on the fungus (watery mildew) has a good control effect; also has hemostasis, detoxification, convergence and other effects.
6. The Daqingye and Banlangen Daqingye are the leaves of the cruciferous plants Cypripedium and Euphorbiaceae plants, Malan and Cymbidium. The Banlangen is the root of Cymbidium. Its active ingredients are alanine, quinone and so on. Both have extensive antibacterial and antiviral effects and detoxification. The anti-viral effect of Banlangen is stronger in the use of Chinese herbs in fish breeding.
1. Usage The use of Chinese herbs in fish and shrimp breeding can be used alone or in combination with several herbs. Commonly used methods of administration are: A. Medicinal bath method, smashing fresh herbs or frying dried Chinese herbal medicine into juice or crushing and soaking juice, uniformly pouring in the nursery pool; B. Medicine bait method, fresh herbs mashing and mixing in bait In the feeding, dry Chinese herbal medicines are crushed into fine powder or decocted into juice for bait feeding.
2, the use of dose According to the author's use of Chinese herbal medicine in the prevention and treatment of artificial breeding of fish and shrimp diseases, the use of medicinal bath method when the Chinese herbal medicine once the dose of 2-5 grams per cubic meter; when the bait method when Chinese herbal medicine crushed by bait weight (dry weight) 0.5%-1.0% of the proportion of mixed feed into the feed.
As the application of Chinese herbal medicines in the artificial breeding of fish and shrimps is rare, some nursery plants are only based on experience. Which of the Chinese herbal medicines are most suitable for use in the artificial breeding of fish and shrimps, as well as the effective dosage and mechanism of action of traditional Chinese medicines, remains to be further studied in the future.
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