The correct and safe use of commonly used fish medicines

Trichlorfon: shrimp, crab, freshwater whitefish, quail is forbidden; California wolfberry, blackbird, oystercatcher, bigmouth ray, channeled fish tail fish, sea bream, rainbow trout, seawater octopus, beard bream, gemstone jewel.
Potassium permanganate: Catfish tailed, large mouth bream used with caution.
Cationic surface-active disinfectants: If used in soft aquatic animals, lighter ones can affect growth and in severe cases can cause death. Sea cucumbers must not be used.
Mebendazole solution: At the normal dosage, fat was found in carps; freshwater whitefish and catfish were sensitive; various shellfish were sensitive. Scaleless fish used with caution.
Chrysanthemum insecticides: lean water, when the water temperature is low (especially below 20°C), it is highly toxic to cockroaches, cockroaches, and cockroaches; if sprinkling along the edge of the pond or when the dilution ratio is low, it will cause the death of salmon or cod . Shrimp crabs are disabled.
Chlorine and bromine disinfectants: When the water temperature is higher than 25°C, disinfectants containing chlorine and bromine will be used for river crabs according to the normal amount, which will cause the crabs to die. The probability of death is 20-30%. When the water quality is fertile, it will lead to the lack of oxygen.
Insecticides (other than trichlorfon) or copper sulphate: When the water depth is more than 2 meters, if the water body drug dosage is calculated according to area and water depth, and it is used once, it will cause fish to die, and the probability exceeds 10%.
Copper sulphate: Cannot be used simultaneously with quicklime. When the water temperature is higher than 30°C, the toxicity of copper sulfate increases, and the dosage of copper sulfate must not exceed 300 g/667 m 2 , otherwise it may cause fish poisoning. Candidiasis and mold can not be used.鳜 Disabled.
External disinfection and insecticides: In early spring, especially in the north, the fish is of poor health. If the fish is used at the normal dosage, fish will die, especially carp, and the mortality rate will be 5-10%, and once death is caused, the loss will be great.
The avermectin solution: The normal or slight increase in the amount of the avermectin solution, or a low dilution or uneven splashing, can cause death of cockroaches and squid. Seawater shellfish are prone to death when spilled unevenly.
Oral insecticides: Early spring, such as calculating the amount of drugs by body weight, will result in the death of eating fish, the probability of 10 to 20%.
Water Quality Factors: When the water quality deteriorates or is deficient in oxygen, external disinfection and insecticides should be prohibited. Within 48 hours after application, the observation of surviving water bodies should be strengthened to prevent secondary oxygen deficiency.
Phoxim: It is toxic to freshwater whitefish and cockroaches. Must not be used for bigmouth bass, stingray and other scaleless fish.
Chlorophenyl Hydrochloride: If the bait is stirred unevenly, it can cause fish poisoning, especially salmon.
Abamectin, ivermectin: When taken orally, finless fish or black scorpion will show strong toxicity.
Quaternary ammonium salt iodine: Slim ponds used with caution.
Algaecide drugs: All drugs that can kill algae cannot be used under hypoxic conditions, otherwise it will speed up the flooding of ponds.
Chrysanthemum and organophosphorus drugs: Except for biotin, all other species should not be used for crustacean aquatic animals.
Hydogenous bromine-containing preparations: if the effective ingredient is more than 20%, when the water temperature exceeds 32°C, if the cumulative amount of water in the body exceeds 200g/667m 2 in three days, the shellfish in the shelling period will die.
Iodine preparations, quaternary ammonium salt preparations: damage to cold-water fish (such as turbot) and may be fatal.
Zinc Sulfate Monohydrate: When used in seawater shellfish, care should be taken to cause death, and special attention should be paid to the lack of oxygen after use.
Daiseneramine and mancozeb: Can not be used for salmon. After the use of dexamethasone, it is easy to cause hypoxia, and oxygen should be used after use.
Vitamin C: Cannot be used together with heavy metal salts, oxidizing substances.
Copper sulphate, ferrous sulphate: Shellfish is prohibited, pay attention to oxygen after treatment, thin ponds, fish ponds to reduce the amount of appropriate; 30 days old shrimp banned. Guangdong wolfberry, wolfberry, black peony, gemstone 鲈 use cautiously.
Acetyl aniline sulfate: Note that oxygen, pearls, mites and other mollusks are forbidden; please test the water before laying seedlings; fry and shrimp crab seedlings used with caution.
Rhubarb stream extract: flammable items, pay attention to increase oxygen after use.

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