How to prevent broilers from attacking disease
Reasonable planning and layout, supporting facilities
Infrastructure is an important prerequisite for ensuring the health of chickens and reducing the occurrence of epidemics. Therefore, the infrastructure of the chicken farm must be highly regarded. The concept should be changed, based on the long-term, and establish a scientific attitude and environmental awareness.
Sites should be selected where the terrain is high dry, leeward, sandy soil, away from the village, the main traffic arteries more than 1,000 meters away from chemical plants, processing plants and other pollution sources more than 1500 meters, the best conditions to enter the mountainous area construction, so that For isolation. The construction and layout of the farmhouse should be scientific and reasonable, in line with the requirement of disinfection and isolation and hygiene and epidemic prevention, and the distance between the two houses should be more than 15 meters apart. Small-scale decentralized rearing should be used for intensive feeding, and the size of unit feeding farms should be appropriately expanded.
The chicken farm should have good conditions for sewage discharge so that the excrement and sewage can be removed and treated in a timely manner. The walls and ceilings in the house should be conducive to disinfection, and the roads in the area should be hardened. The stove is heated to be heated and sterilized by the hot blast stove. After the ventilation of the house is fully considered, automatic ventilation can be used to improve the ventilation quality. It is better to use automatic nipple drinking to reduce the chance of infection. Save water, keep the faeces dry, reduce the concentration of ammonia in the home.
Provide quality chicks to ensure healthy chickens
Excellent chicks are the basis for improving the disease resistance of broilers and producing qualified broiler chickens. Therefore, it is particularly important to do a good job of breeder breeding and disease prevention and control. If the breeder cannot provide high maternal antibody to the chicks, it is difficult to ensure that no disease will occur even if the rearing condition of the broiler is better. To breed pathogens such as Mycoplasma, Echinococcus, Escherichia coli, leukemia, etc., and to prevent immunization against diseases such as Marek, Newcastle disease, influenza, adenovirus, encephalomyelitis, bursa of Bursa, transmission, etc. Vertically spread.
Supply full-priced feed to meet the needs of the body
Scientific feed formulations and adequate nutrition are important conditions for ensuring the health of broilers. If it is undernourished, the body's ability to synthesize proteins will be insufficient, which will affect the physiological needs of the immune antibodies produced by them. The immunity is low, its resistance is relatively poor, and the chance of onset is high. The feed intake of chickens is determined by the amount of energy intake. The formulation should be adjusted according to the growth and development needs of different ages and the health conditions and environmental conditions of the chickens in order to increase the body's resistance and immunity. If there is an enlargement of the kidney or a deposition of urate, reduce the protein by 1-2%, remove the irritation agent, increase the VC and VA, and protect the mucosa and antioxidant capacity. In case of stress, increase the content of minerals and vitamins. To increase body resistance. When there is inflammation in the intestine and inflammation in the respiratory tract, the VA content should be increased to help repair the mucous membrane protection, increase protein and energy 3-5%, and selenium and VE. During the hot summer months, as the feed intake of chickens is reduced, the supply of nutrients to the organism is likely to be insufficient. Different nutrients should be provided according to different conditions. Adding some baking soda instead of 2/3 of salt in feed can prevent self poisoning. In short, we should find ways to meet the nutritional needs of the body.
Improve biosecurity and implement scientific immunization
To do a good job in environmental control and scientific immunization is an important guarantee for the health of broilers. We should establish and improve biosafety measures and sanitation and disease prevention systems, adhere to the epidemiological control policy that focuses on disinfection and epidemic prevention, supplemented by drug control.
1, insist on chicken spray disinfection. This method can kill or minimize the pathogenic microorganisms in the external environment of the chicken population and cut off the chance of infection. It is one of the most effective measures to reduce the incidence of infectious diseases. The method is: using an automatic spray facility, staggered spray from top to bottom sprayed without stimulation of high-performance disinfectants, such as iodine-containing or bromine-containing double-stranded quaternary ammonium salts, twice daily disinfection, particle size 80-100 microns The spray volume is 100-150 ml/m2. In the control of disinfection time, the concept of prohibition of disinfection should be broken in the past two days before and after immunization. It should be changed to four hours before epidemic prevention and spray disinfection should not be carried out within two hours after epidemic prevention. Due to the high density of epidemics during brooding and the high number of times, if disinfection is not done for a few days before and after immunization, the time for disinfection is too long, and the pathogenic microorganisms will accumulate very quickly. It will be possible to enter the tissue before the antibody is produced 2 hours after immunization and it will not be able to kill at all. It is very easy to cause chick disease.
2, do a good job of drinking water disinfection. Attention should be paid to the drinking water quality of chickens. Drinking water must be sterilized and clean water to prevent disease from entering the mouth. To correctly understand the meaning of disinfectant water and sterilized clean water, if disinfectant water is used to kill the harmful bacteria, it also kills the beneficial bacteria in the intestines, and long-term drinking can easily lead to digestive disorders and resistance of chickens. decline. The disinfectant-treated clean water has killed pathogenic microorganisms in the water and does not affect the intestinal flora. It should also be noted that chickens should be disinfected for drinking water within 2 days before immunization and 2 days after immunization.
3, strengthen environmental disinfection. The source of pathogenic microorganisms is the chicken body itself and the external environment. As the current social anti-epidemic system is still not perfect, there are still some weaknesses in the control of the epidemic. The epidemic diseases cause relatively serious environmental pollution. The pathogenic microorganisms reproduce and replicate very quickly and can easily cause harm to chickens. Therefore, environmental disinfection is very effective. important. Must adopt all-in, all-out feeding methods. Through a certain period of vacant room and strict and comprehensive sterilization, the broiler house will basically reach asepsis, providing a safe and healthy breeding environment for the next batch of chickens entering the market. Regularly sterilize the environment and utensils around the house to prevent the invasion of wild poisons.
4, the implementation of scientific immunization. According to the prevalence and characteristics of local epidemic diseases, a scientific immunization program should be developed. According to the law of antibody growth, a vaccine suitable for the local strain should be selected and scientific immunization should be conducted to ensure that the immunization density reaches 100%. Even so, due to individual differences and other reasons, 3-5% of chickens are not protected. In this case, it is necessary to use drugs to clean chicken viruses, bacteria, to solve the sub-health state of the body, reduce the vaccine response, and make the body's vaccine Produce a higher immune response capacity; At the same time we must strengthen the disinfection and isolation and feeding management, improve immunity, and protect it from infection. It should also be noted that epidemic prevention cannot be over-reliance on vaccines, and vaccines should not be used as drugs. Short immunization intervals or repeated immunizations (especially for Newcastle disease, transmission, Bursa, etc.) can easily lead to immune paralysis and immunity. The force is low and it is more destructive.
Improve the rules and regulations and implement standard breeding
All operating procedures should be standardized in accordance with the ISO quality standard system, so that all management work can be done in accordance with rules and regulations. Such as immune operation procedures (drinking water, neck subcutaneous injection, eye drops, nasal drops), drinking water medication operation procedures, disinfection procedures (out of the site disinfection, chicken disinfection, empty homes disinfection, environmental disinfection, access to the house disinfection), equipment operating procedures ( Automatic feeding, automatic drinking water, generators, fans, heater stoves, wet curtains, vents), material management regulations (drugs, vaccines, supplies, materials), and other operational regulations and environmental sanitation management regulations, etc. Strict rules and regulations to promote the process of standardized production.
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