Basic Copper Chloride Should Prevent Residue

The hazard of Basic Copper Carbonate residue

The hazard of Basic Copper Carbonate residue

The harm of drug residues in aquaculture production is mainly reflected in three aspects, namely, the impact on the environment, the harm to farmed animals, and the harm of drug residues in farmed products to consumers. Specifically, there are the following aspects:

  1. Drug resistance reaction. Long-term addition of growth-promoting antibiotics or drug abuse in aquaculture animal feed can cause drug resistance in the aquaculture animals. The emergence of drug resistance in farmed animals will lead to larger and larger amounts of drugs used in farming production, and the effects of drugs are getting worse and worse, which not only increases the cost of breeding, but also increases the difficulty of treatment of breeding diseases. The emergence of drug resistance will also have a corresponding impact on users of aquaculture products.
  2. Allergy. Sulfonamides, tetracyclines and certain aminoglycoside antibiotics frequently used in aquaculture production are drugs that are extremely prone to cause allergic reactions. The symptoms of allergies are varied. In severe cases, life-threatening syndromes may occur. For example, sulfa drugs can cause human dermatitis, leukopenia, hemolytic anemia and drug fever.
  3. Poisoning reaction. Medical research and clinical trials have shown that people are prone to toxic reactions after eating aquatic products contaminated with drugs and with certain drug residues. Aminoglycoside antibiotics such as streptomycin can damage the auditory nerve and kidney function. Tetracycline antibiotics can inhibit tooth development and bone growth in young children. Chloramphenicol can cause aplastic anemia and granulosa cell deficiency. Under the conditions, it will form highly toxic dichlorvos.
  4. The role of "three causes". The residues of certain drugs or natural substances are easy to cause carcinogenic, teratogenic and mutagenic effects in humans and animals. For example, malachite green is a strong carcinogen, and furan drugs such as nitrofurazone and furazolidine also have strong carcinogenicity.
  5. Other reactions. Adding some hormone drugs to fishing feed can promote the growth of fish. After people eat these fish, these hormone drugs can accumulate in the human body. After reaching a certain amount, it will cause human physiological function disorders, and more serious Certain hormones can affect the normal growth and development of children. Some Basic Copper Chloride will produce harmful substances after degradation. For example, the decomposition products of the aquatic disinfectants dichloroisocyanuric acid and trichloroisocyanuric acid contain cyanide. If the amount is too large or the method of use is improper, it will be in the body of farmed animals. After the residue is produced, the harm is great.

Wei Shida

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