First, feed: Feed is an important route of transmission of a variety of pathogenic microorganisms, feed safety feed, is the source of safe pork production. For the production of feed and feed additives, strict management in accordance with the law, strengthen monitoring, testing, and strictly prohibit the use of severely investigated and prosecuted illegal drugs. At the same time, the inspection and monitoring of feed ingredients will be strengthened, and feeds with mildew, spoilage, and highly polluting pesticides will be banned. In addition, open up new types of green safe feed and feed additives. Such as planting pollution-free high-yield, high-quality green feed, the use of microbiological agents, enzyme preparations, acidifiers, Chinese herbal medicine preparations, and preparations extracted from natural plants approved by the national livestock department. It is also important to build farms away from sources of pollution such as chemicals, pesticides, rivers, and villages, and feed non-polluting feed and drinking water. China's new Feed Hygiene Standard specifies the allowable quantities of harmful substances and microorganisms in feed and feed additive products. Arsenic, lead, fluorine, mold, aflatoxin, chromium, mercury, cadmium, cyanide, and zinc in feeds Nitrate, gossypol, isothiocyanate, copper oxazolidine, HCH, DDT, total bacterial count must not exceed the standard, Salmonella can not be detected. In the trace elements, strict limits are imposed on copper. That is, the amount of copper contained in each kilogram of formulated feed should be no higher than 250 milligrams for pigs weighing 30 kilograms or less; 30-60 kilograms for no more than 150 milligrams; and 60 kilograms for no more than 25 milligrams. Second, feed additives: China's Ministry of Agriculture, in order to regulate the rational use of feed drug additives, to prevent the abuse of feed drug additives, has published in 2001 "feed drug additives use specifications", provides for currently approved feed drug additives, including two Nitrotamine, Maduramycin Ammonium, Nicamamacin, Ethoxyl Carbinol, Narasin, Desanosine Sodium, Haloperid Hydrochloride, Chlorophenyl Hydrochloride, Amprolium Hydrochloride, B Oxyamino amide benzoin, iodoamine quinoxaline, clopidolidine, hainanmycin sodium, saudoumycin sodium, diclazuril, compound nitrophenol sodium, ampicillin acid, Roxaquin, monens Sodium, bacitracine zinc, flavomycin, virginiamycin, olaquindox, nosiheptide, amelomycin, salinomycin sodium, colistin sulfate, oregano oil, guinea-mycin, trichoderma A total of 33 pre-mixed calcium, aureomycin, and enramycin were used. The above product must be marked on the product label with the name, content, application scope, withdrawal period and precautions of the veterinary drug ingredients. The Ministry of Agriculture also approved animal feed additives for the prevention and treatment of animal diseases and prescribed treatment procedures. Feed additives are administered only through mixed feeds. Each pig farm and farmer must purchase them on the basis of a veterinary prescription. The Ministry of Agriculture also stipulates that veterinary APIs must not be used directly in feeds and must be made into premixes before they can be added to feeds. Except for the feed additive currently permitted for use and the Ministry of Agriculture's approval of feed additives for use in feeds, any other veterinary drug product must not be added to the feed. Third, drinking water: Drinking water harmful microorganisms are widespread, and the survival time in the water is longer. For example, E. coli can survive in distilled water for 24-72 days. Necrophaga and Mycobacterium tuberculosis can survive in river water for 183 days and 5 months respectively. P. sinus lives in sterile water for 1 year. Therefore, it is very important to disinfect drinking water. Water samples should be sent to relevant departments for microbiological and water quality inspections, and drinking water disinfection should be carried out every year with bleaching powder, potassium permanganate, and 100 toxins. Meet livestock and poultry drinking water quality standards, use water color, turbidity, total hardness, pH, total dissolved solids, chlorides, sulfates in water quality sensory and general chemical indicators, total coliform count in bacteriological indicators, toxicology Indicators such as fluoride, cyanide, total arsenic, total mercury, copper, chromium, cadmium, nitrates, etc., which cannot exceed standard values, and must not have malodor, visible substances and pesticides, malathion, phosphorus uptake, Methyl parathion, dimethoate, lindane, chlorothalonil, and naphthalene 2.4-D ensure the health and safety of drinking water. IV. Veterinary drugs: The most serious problems at present are excessive amounts and drug abuse, which not only cause great waste, but also cause poisoning death and drug residues due to improper use of drugs. It will have a certain impact on producers and consumers. It is true that once a pig becomes ill, it is permissible to prescribe the medicine on the basis of a definite diagnosis, to prescribe the medicine according to the instructions in the drug label, or to produce a certain amount of drug resistance due to a certain drug, but the drug used should meet the national “veterinary drugâ€. Code, "Veterinary Drug Specifications" and "Veterinary Drug Quality Standards", as far as possible without or with less resistant drugs and hormone drugs. The use of counterfeit veterinary drugs, anesthetics, stimulants, chemical buoyancy drugs, skeletal muscle loosening drugs, veterinary drugs that have not been approved by the National Animal Husbandry and Veterinary Service for color genetic engineering methods, and veterinary drugs that have not been approved by the Ministry of Agriculture or have been announced for elimination are prohibited. For veterinary drugs that are allowed to use, they should be used strictly in accordance with usage and dosage. In this regard, colleagues are reminded that in the past, it was more common to ignore the requirement to comply with the time required for physical medicine. At present, anti-parasitic and antibiotic drugs that are allowed to use have already been prescribed by the 19 drugs such as amitraz for a period of 2 to 45 days. They should be used before slaughter to reduce drug residues and improve pork quality. V. Environment: Environmental health and safety are important measures for the development of green ecological pigs. First of all, the management of the pig farms and the surrounding environment should be strengthened. The laps should be cleaned daily, kept clean, well ventilated, and regularly sterilized inside and outside the house. Kill rats, flies, mosquitoes, feces, and dirt and transport them to the off-site mud seal fermentation process to kill germs and eggs in the feces and reduce soil contamination. Urine and sewage are discharged through the underground water channel to off-site sewage treatment tanks, and excreta can also be used to produce biogas. Secondly, during the entire process of transportation, trials, meat processing, packaging, sales, and home storage and cooking, the prevention of contamination of pathogenic microorganisms and the injection of meat and dead meat into the market will ensure that consumers will enjoy safe meat. (Zhu Xiuzhou District Bureau of Agriculture and Animal Husbandry and Veterinary Station)
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