Rules for the use of fishery drugs
The use of fishery medicine should be based on the basic principle of not endangering human health and not damaging the ecological environment of the water area, and should be used as much as possible; strictly abide by the regulations of the relevant state departments, and strictly prohibit the production, production and use of fishery drugs without production license, approval number and production implementation standard. When the disease occurs, drugs should be used for symptoms to prevent the abuse of fishery drugs and blindly increasing the dosage or increasing the frequency of drug use or prolonging the time of drug use; drugs or additives prohibited by the state shall not be used in aquatic feed, nor shall antimicrobials be added to the feed for a long time.
It is strictly forbidden to use fishery drugs with high toxicity, high residue or three toxicities (carcinogenic, teratogenic, mutagenic). It is strictly forbidden to use fishery drugs that cause serious damage to the water environment and are difficult to repair, to sprinkle antibiotics directly into aquaculture waters, and to use newly developed human drugs as the main or secondary components of fishery drugs.
Prohibited fishery drugs: parathion (Dafenglei), BHC, lindane (BHC), toxaphene (camphene chloride), DDT, calomel, mercurous nitrate, mercuric acetate, carbofuran (carbofuran, Dafunong), chlordimeform (dimethamidine), cyhalothrin (cypermethrin, permethrin), cypermethrin (cypermethrin, cyhalothrin), pentachlorophenol sodium, cyhalothrin Malachite green (alkaline green, salt block green, malachite green), trypanosamine, antimony potassium tartrate, sulfathiazole (trimethoprim), sulfonamidine (sulfadiguanidine), furacilin (furanxin), furazolidone (furazolidone), furanas (PVI138), chloramphenicol (including its salts, esters and preparations), bacitracin zinc (subtilisin), tylosin, avopaxine, quinolinol (quinamide hydroxyethyloxide), quinolinol (quinolinol ethyl quinoxy), quinolinol Diethylstilbestrol (diethylstilbestrol), diethylstilbestrol (diethylstilbestrol, artificial courttin) Including estradiol and other similar synthetic estrogens) and methyltestosterone (methyltestosterone, including androgens such as testosterone propionate, dehydromethyltestosterone and assimilates).
The use of fishery drugs should comply with the provisions of the drug withdrawal period before the harvest season to ensure that the drug residues of listed aquatic products comply with the relevant national regulations. For example, bleach withdrawal period ≥ 5 days, trichloroisocyanuric acid withdrawal period ≥ 10 days, oxytetracycline withdrawal period (eel) ≥ 5 days, (catfish) ≥ 21 days, trimethoprim and sulfamethoxazole withdrawal period ≥ 30 days, florfenicol withdrawal period (eel) ≥ 7 days, sodium dichloroisocyanurate ≥ 10 days, chlorine dioxide ≥ 10 days.
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Swim bladder disease
There are signs that the fish cannot control their position in the water, sometimes they can only do their best to rise from the bottom of the water, sometimes they can't get out of the water, or even upside down on the surface. If the disease is not caused by the disease in the affected fish, the problem may be due to the dysfunction of the swim bladder. Such problems are usually limited to deep-bodied fish, especially cyprinid fish. Scaleless fish seem to be particularly vulnerable. The recommended treatment has no effective treatment for this condition. By
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Control of pure yellow aphid wasp of brown scale in orange orchard
[morphological characteristics] the length of the female cicada is 0.92-1.18 mm, yellow and spotless. The posterior edge of the scutellum has dark brown stripes. There are short black stripes at the base of the forewing, dark brown on the ventral side of the antennal stalk, and dark smoke on the rest of the segments. Yellow feet. Compound eyes have fine hairs. The chest hair is thick and black, there are 4 hairs on the scutellum, the length of the forewing is 2.25 times of the width, and the spawning needle is 1.9-2.01 times the length of the tibia of the middle foot. The length of the male bee is 0.71-0.92 mm, the forewing is wider than the female, and the length is wide.
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