The main production links of healthy breeding of livestock and poultry
Veterinary drugs play an important role in safeguarding the healthy development of livestock and poultry husbandry. Reasonable use of veterinary drugs can not only prevent and treat livestock and poultry diseases, but also promote growth and increase feed utilization rate, thereby achieving higher economic benefits. However, in the production practice, it is often vulnerable to economic interests, overdose, abuse of veterinary drugs beyond the deadline, and even illegal use of illicit drugs, resulting in drug residues of livestock products, seriously affecting human health.
At present, China has formulated a set of policies for the maximum limit of veterinary drug residues and veterinary drug management. However, in recent law enforcement sampling, many unqualified animal products caused by illegal use of veterinary drugs have been detected, such as duck eggs. The furazolidone metabolites were detected in the enrofloxacin and chicken samples, and sulfonamide residues were detected in pork samples.
The control of residues of veterinary drugs for livestock products must be carried out by farmers. Strict control must be exercised in many aspects such as breeding environment, feed ingredients, feeding and management, and epidemic prevention and control. The promotion of ecological and healthy culture is the most fundamental method for solving veterinary drug residues in livestock products.
1, environmental safety
Healthy breeding livestock and poultry farms should be built in places with high dryness, good drainage, and easy organization of epidemic prevention. Sites for land use should meet the requirements of local land use planning and they should be built in non-banned areas. There are no slaughterhouses, animal products processing plants, large-scale chemical plants and other pollution sources within 3km. The distance is more than 1km from the main traffic lines, urban residential areas and public places. The site is selected to be in the downwind or sidewind direction where the residential area dominates the wind throughout the year.
The ventilation requirements of the fence house are good, and the toxic and harmful gas content in the air should meet the production requirements of green livestock and poultry.
The site area should be divided into production area and living area, and there should be a certain distance between the two areas to buffer the epidemic prevention isolation zone. The production area shall be arranged in the upwind or sidewind direction of the living area. The diseased and deadly livestock and poultry dissection area and the sewage manure treatment facilities shall be in the downwind or sidewind direction of the production area. The cleanliness and the dirt road shall be separated from each other, and shall not cross each other, and the entrance shall be separated.
The entire site area must have walls and there should be epidemic prevention ditch outside the fences. The layout should be in line with the production process. The livestock and flock of different age groups in the production area should be kept in isolation, and there should be a wall or green belt or ditch between the barn and the barn. Epidemic isolation zone.
It is recommended to adopt small-unit rearing and implement the "all-in, all-out" breeding technique.
2, feed safety
Feeds should be based on the nutrient requirements of the animals in different growth stages, and appropriate breeding standards should be selected to provide high-quality, low-cost full-price compound feeds.
Healthy breeding of livestock and poultry, prohibit the use of deteriorating, polluting feed, refuse to use antibiotics, compound drug additives, promote the use of natural preparations such as enzyme preparations, micro ecological preparations, Chinese herbal medicine preparations, active peptides, acidifiers, oligosaccharide preparations, etc. Health additives to reduce the residues of drugs in livestock and poultry.
3, drug safety
Production practices have shown that overdosing can have unrelated or harmful effects on prevention and treatment. The medication process strictly adheres to the types of drugs used, dosage, formulation, duration, and withdrawal periods. Master drug synergies and antagonism, and use synergistic drugs to enhance the control effect. Drugs with antagonistic effects can reduce the efficacy and should be used staggeredly.
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