1. Furazolidone : long-term use can cause bleeding syndrome. If the withdrawal period is not implemented, there is residue in the liver of the animal, and the potential hazard is to induce genetic variation and carcinogenesis.
2. Sulfonamides : Long-term application can cause accumulation of poisoning, and its residue can damage the artificial blood system, causing hemolytic anemia, agranulocytosis and so on.
3. Olaquindox : The addition of feed can promote the growth of livestock and poultry, because of its good effect, low price, and commonly used in feed mills. But it is a genetic agent, a gonad mutagen, mutagenic, teratogenic and carcinogenic.
4. Chloramphenicol : Its adverse reaction to livestock and poultry is toxic to the hematopoietic system, causing thrombocytopenia, blood cell reduction and optic neuritis. The potential hazard of the residue is that chloramphenicol has an inhibitory effect on bone marrow hematopoietic function, which can cause human neutropenia, aplastic anemia and hemolytic anemia, and has a lethal effect on humans.
5. Oxytetracycline : long-term high-dose oxytetracycline can cause liver damage, resulting in hepatocyte necrosis, resulting in poisoning death. If the prescription during withdrawal is not implemented, the residue will cause drug resistance in the human body, affecting the treatment of human diseases by antibiotics, and is prone to allergic reactions in humans.
6. Gentamicin sulfate : It is harmful to the vestibular nerve of the brain, and it is easy to produce drug resistance after repeated use.
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