What is the significance of drinking water disinfection?
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April 02 11:03:56, 2021
Chickens drink water every day, and pathogenic microorganisms in water are one of the most important infectious sources of infectious diseases. At present, the aquaculture industry is increasingly threatened by various infectious diseases, and it has a close relationship with excessive pathogenic microorganisms in drinking water. First, the level of microorganisms in drinking water in chickens: grades are excellent, good, medium, and poor. "Excellent" is pure water, the total number of bacteria is 0-100/liter, and the number of E. coli is 0/liter. "Good" for potable water, total bacteria 10-100/l, E. coli 0/l. "China" is still drinking water, the total number of bacteria is 100-1000/liter, and the number of E. coli is 10-50/liter. "Poor" is sewage, total bacteria is more than 1000, and E. coli is more than 100. 2. At present, most of the poultry have been seriously contaminated by pathogenic microorganisms. According to the determination of microorganisms in the drinking water of farms in some areas, it was found that most of the farms exceeded the standards seriously, and compared with potable water, the total number of bacteria exceeded 10,000 to 1.86 million times. The total number of E. coli exceeded 1000-15 million times. Third, drinking water contaminated by E. coli will cause serious consequences. E. coli is an environmental disease. The environment is directly affected by the disease rate. When we do a good job in feeding, management, and disinfection of chickens, we often neglect drinking water, a major E. coli transmission pathway. E. coli can cause the following pathological changes: 1. Acute sepsis: Causes rapid death of chickens, which can reach 20%-50%. 2. It is enteritis: It causes diarrhea and death. 3. Is balloon sinusitis: Causes respiratory symptoms. 4. It is oophoritis and salpingitis: it causes a decrease in the egg production rate and causes vertical infection of the eggs. 5. Is a concurrent infection: mixed infection with mycoplasma, Newcastle disease virus, transmission. Aggravate the condition, such as the common concurrent infection of chronic respiratory tract and E. coli, causing great harm to the breeding industry. Fourth, drinking water can also spread the following diseases: Viral diseases: Newcastle disease, bird flu, bursa, transmission, throat, Marek, viral nephritis, and other bacterial diseases: fowl cholera, typhoid fever, paratyphoid fever, ferret, Enteritis and so on. Fifth, cause subclinical disease. If the drinking water is pathogenic microorganisms, clinical symptoms may not be typical. For example, chickens often have unclear diarrhea and decreased egg production, which may be subclinical manifestations. Six, drinking water contaminated water will affect the effectiveness of antibacterial drugs and vaccines: If you use drugs to kill bacteria or use vaccines to make the body produce immunity, but also drink a large number of pathogens, the results provide pathogenic bacteria The advantages of drug resistance, thus losing or reducing the application effect of drugs and seedlings. Correct several misconceptions: 1. Do not disinfect tap water or deep well water and ignore pathogenic microbial contamination in drinking water systems. 2, disinfectant will produce drug resistance, a disinfectant can not be used for a long time, need to alternate medication to avoid drug resistance. 3, that the disinfectant preparation concentration? High effect? ​​Well. In fact, the concentration of disinfectant is doubled and it is not effective. It can also be doubled. 4, pay attention to environmental disinfection, neglect drinking water disinfection. 5, only pay attention to summer disinfection, do not pay attention to period of disinfection.