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Principles and methods of the medicated immersion method for preventing eel diseases
Also called the immersion method, it involves concentrating the rice field eels in a smaller body of water or container, preparing a relatively high-concentration medication, and forcing the eels to be exposed to the medication for a short period of time to achieve the purpose of killing pathogens. For example, when stocking, use salt to immerse the eel fry, etc. Its characteristics are: first, it is mostly used to kill pathogens on the body surface or gills; second, it is mostly used for disinfecting fry and seedlings or tools at the time of stocking; third, it requires that the concentration of the medication be precise during operation, and that the operation time be short, the speed fast, and the movements gentle.
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How to prevent and control fish helminthiasis? Detailed explanation of prevention and control methods
Fish diseases caused by some species of flatworms, roundworms, and segmented worms are called fish helminthiasis, such as: dactylogyriasis, gyrodactyliasis, diplostomiasis, ligulosis, etc. Prevention and control methods: 1. Spread 0.65-0.7 microliters/liter of crystal trichlorfon over the whole pond. 2. Use quicklime to thoroughly clear the pond and kill snails. In fry and fingerling rearing ponds, copper sulfate can be spread to make the pond water 0.7 microliters/liter, and after an interval of 12-24 hours, spread it again at the same concentration.
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Detailed Explanation of Integrated Prevention and Control Techniques for Common Pig Diseases
The integrated prevention and control techniques for common pig diseases target major epidemic diseases that plague the development of the pig farming industry in the Beijing suburbs, such as porcine foot-and-mouth disease, swine fever, porcine parvovirus, swine enzootic pneumonia, and swine Escherichia coli. Practical and feasible integrated prevention (treatment) techniques have been researched and formulated. The core techniques are: integrated epidemic prevention techniques for large-scale pig farms; immunization and antibody monitoring techniques for important pig farm epidemic diseases; rational drug use for pigs and disinfection techniques for the pig farm environment and the interior and exterior of pigs. Over the years, promotion and application in more than 2,000 large-scale pig farms in the Beijing suburbs have achieved good results, reducing pig death and culling
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Prevention and Treatment Methods and Precautions for Joint Sprains in Pigs
1. Cause: Due to the action of external force, the joint is twisted, causing incomplete or complete rupture of the joint capsule and the corresponding collateral ligaments of the joint. 2. Symptoms: Sudden lameness or walking on three limbs, the affected area is warm, swollen and painful, and the pain is more pronounced during movement. 3. Prevention and treatment: Avoid strong movements when catching, and prevent jumping from the vehicle during transport. In the early stage, the following prescriptions can be selected for application: (1) External application medicine: ① 2 parts vinegar, 1 part quicklime, mix well, 1-2 times daily. ② 50-100 grams of chives plus
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Diagnostic Methods and Prevention and Control Measures for Swine Leptospirosis
At a pig farm in Shuimogou District, Urumqi City, a disease characterized by jaundice, hemoglobinuria, and subcutaneous edema broke out. Based on epidemiology, necropsy changes, bacteriological examination, and animal experiments, it was diagnosed as swine leptospirosis. The report is as follows. 1 Outbreak situation: Wang, a farmer in Shuimogou District, Urumqi City, raised 147 growing pigs with an average weight of 40-50 kg. One pig died suddenly, 3 died 2 days later, 2 died 3 days later, and by 12 days later, a total of 34 had died, with a mortality rate of 23.2%. The owner claimed that due to newly built
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How to prevent and treat pica in pigs? A detailed explanation of practical methods
When pigs crave and eat things they normally do not eat, it is called pica. Pica is a symptom caused by metabolic disorders and nutritional deficiencies, and it generally tends to occur in piglets and sows raised indoors. There are many causes of pica, and it mainly generally occurs in young pigs and sows. 1. Causes: improper feed formulation, lack of vitamins, minerals such as phosphorus and calcium, and certain elements such as iron, copper, manganese, cobalt, or inorganic salts. Other conditions such as chronic gastroenteritis, osteomalacia, and parasitic diseases can also cause it. 2. Symptoms: young pigs like to gnaw soil, pen wood, sand
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Is Green Tea's Anti-Cancer Effect Real? Interpreting the Latest Research Findings
New Findings on Green Tea's Anti-Cancer Mechanism, Did You Know? Do you drink tea? Do you know whether green tea can really fight cancer? Let's find out together. Professor Thomas A. Gasiewicz and colleagues at the University of Rochester Medical Center found that green tea can fight cancer by affecting cancer-related proteins.
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What to Do When Strawberries Get Anthracnose? A Detailed Guide to Prevention and Control
What should you do when your strawberry gets sick? Just take it to see a doctor, free of charge! The Miaoli District Agricultural Research and Extension Station has pioneered anthracnose molecular detection technology, and farmers can submit samples at no cost. Take a quick look. Once strawberry seedlings are infected with anthracnose, they easily die, and it is difficult to judge whether they are healthy just by their appearance.
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How to prevent African swine fever, and is it connected to live pig transport vehicles?
To prevent African swine fever, live pig transport vehicles are not subject to regulation and could become a black hole, so what should we do? Let's find out together. How is it best to defend against it? China's African swine fever epidemic situation is not transparent, and Taiwan's epidemic prevention authorities are on edge. Facing the discovery in recent days of ham sausages from China in a riverside park in Taipei and at a school in Nantou, the Council of Agriculture on the 8th gathered experts and scholars to discuss follow-up African swine fever prevention measures. At the meeting, many experts had already begun to worry: once African swine fever breaks out in Taiwan, is there really any way to trace and monitor it? Among them, live pig transport vehicles became the main target of criticism.
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How to prevent and control bacterial wilt in tomatoes? Detailed explanation of the best treatment methods
Tomato bacterial wilt is a very serious disease in tomato cultivation. If it is not managed well, it can easily cause major damage. So how should it be managed? Let's take a look together. Pathogen: This disease is caused by Pseudomonas solanacearum. The bacterium belongs to the non-fluorescent pseudomonad
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