Rural poultry farm disinfection technology

At present, old poultry farms in China's rural areas, especially chicken farms, have not eradicated old ones. New diseases continue to be endemic, the proportion of mixed infections in the epidemics has increased, and the proportion of bacterial diseases has increased. On the one hand, some poultry farms increase the type of vaccine (bacteria) seedlings, the number of immunizations, and the number of immunizations. On the other hand, they increase the number of antibacterial drugs in chickens and try to control the secondary or concurrent infection of bacteria. As a result, the strains are resistant to chickens. The increase has made it difficult to pick out sensitive and effective drugs after the onset. At the same time, the beneficial microorganisms in the poultry are also killed, causing dysbacteriosis and affecting the health of poultry and the production level. One of the important reasons for this kind of wasteful and passive situation is that poultry farm disinfection work has not kept pace. It can be said that disinfection work is a weak link in the prevention and control of rural poultry disease in China. Doing scientific and economical effective disinfection work is the main reliable method for controlling pathogens entering poultry farms and eradicating pathogens existing in poultry farms. 1. Emphasis on adopting all-in and all-out feeding mode in poultry houses for sterilizing modern poultry. After a feeding cycle, in order to create a good environment for the next feeding cycle, it must be completely disinfected. 1.1 Perform thorough cleaning and cleaning first. Cleaning and rinsing should be performed carefully and in a certain order. Generally, they should be washed first and then washed first, then on the ceiling, then on the rear wall and then on the ground; from the far end of the poultry house to the entrance, first indoors and then outdoors, and gradually, without leaving dead ends. After careful and thorough cleaning and cleaning, not only 80%-90% of the pathogens can be eliminated, but also the amount of organic matter such as feces can be greatly reduced, which is beneficial to chemical disinfectants. 1.2 Chemical disinfection after thorough cleaning. Emptying room disinfection generally requires the use of 2-3 different types of disinfectants for 2-3 disinfections. Disinfecting only once or using only one disinfectant is incomplete because different pathogens have different susceptibility to different disinfectants. The first disinfection can use alkaline disinfectants, such as 1% - 4% caustic soda or 10% lime milk, used to paint the ground, walls. Appropriate concentrations of caustic soda solution can also be used for spray disinfection. The second disinfection can be spray-sterilized with phenols or oxidants (peracetic acid). The third time with formaldehyde fumigation. Can be heated or oxidized fumigation, use the oxidation method to first calculate the disinfection volume, with a volume of 42 phr of formalin per cubic meter, 21 grams of potassium permanganate, oxidative disinfection to close the doors and windows, heated to 20 °C, relative humidity More than 70%, effect 7-24 hours. 2, chicken disinfection with a chicken disinfection disinfection thoroughly and completely, not only can directly kill the chickens in the environment, including the pathogenic microorganisms in the air, but also can directly kill the chicken body surface, superficial respiratory retention, pathogens. Good prevention of Marek’s disease, Infectious bursal disease, Newcastle disease, and prevention of bacterial diseases such as Staphylococcus, E. coli, Salmonellosis, Mycoplasma, etc. Rhinitis, mycoplasmosis, and other respiratory diseases have a better effect. In addition, it can also settle dust, prevent heatstroke, provide humidity, purify the air, and improve the environment of the chicken house. It is also conducive to keeping the people's health. 2.1 Method of disinfecting chickens: The first day of disinfection with chickens is not less than 7 days. The re-disinfection time afterwards can be determined according to the pollution in the poultry house. It is generally performed weekly during the brooding period (before 42 days of age). 1 time, 7-10 days in the breeding period, once in 10 days in the poultry, and once in the epidemic. After removing the faeces, the birds should be sterilized once. The amount of spray was calculated to be about 15 ml per cubic meter and the doors and windows were closed. 2.2 Commonly used poultry disinfectant use concentration: fresh and destroyed, 0.1%; peracetic acid, brooding 0.2%, 0.3% for breeding and poultry; sodium hypochlorite, 0.2% -0 .3%; compound phenols (mycotoxins), brooding period 1:300, bred and adult birds 1:250 concentration. 3. Drinking Water Disinfection Drinking water disinfection kills the pathogenic microorganisms in the drinking water outside the chicken to prevent the chicken from drinking water and spread the infection. However, when the chicken is onset, other drugs must be administered before it can be effective. Accurately grasp the amount of disinfectant, and stop drinking water disinfection two days before and after the inoculation of live attenuated virus. Drinking water disinfection method is simple, prepared in advance in another container into a diluent, and then placed in a drinking fountain or drinking water tank for the chicken to drink. The main thing is to choose an effective, safe and non-toxic chicken, no side effects, no residue in chicken products disinfectant. Commonly used disinfectants: bleaching powder, add 0.3-1.5 grams of water per 1 000 milliliters of water, or add 6-10 grams of powder per cubic meter of water; peracetic acid (20%) add 1 litre of water per liter of water; potassium permanganate (0. 1%), 100% poisonous (50%) 0.5-1 liters of water per 10 kilograms of prevention volume, 1-2 liters when the onset of disease. 4. There are many supplies of utensils used to sterilize poultry equipment in poultry farms. The materials and uses of these utensils are not the same. Therefore, the methods used are not consistent. Specific applications such as working with ultraviolet light irradiation, tooling with formalin fumigation, vehicle spray, egg tray soaking, medical device autoclaving and so on. As far as rural poultry farms are concerned, it is of utmost importance to do a good job of disinfection work, cut off the epidemic ways, and create a good hygiene environment for poultry.

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