Method for treating fish saprolegniasis with methylene blue
A technology of methylene blue water and methylene blue is applied in the field of treating fish saprolegnia, which can solve problems such as general curative effect, and achieve the effects of high cure rate, convenient operation and quick recovery.
Inactive Publication Date: 2011-11-02
孙丽
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[0013] In an intensive pond with an area of 5 mu and a water depth of 1 meter, when the silver carp and bighead carp were purchased from other places, the fish species were not disinfected, and the pond was not strictly disinfected before the fish species were put into the pond. Saprolegniasis was found, and a large number of fish species died on the 8th day. After the farmer dissolves 10kg of methylene blue in water, the whole pond is sprinkled to make the final concentration of the pond water 3g / m 3 , the next day with the same dosage again, after 4 days, the disease was cured.
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The invention provides a method for treating fish saprolegniasis with methylene blue, belonging to the aquiculture disease prevention and cure technology. The method is characterized by firstly confirming that the fish fries suffer from saprolegniasis, dissolving the methylene blue in water and then sprinkling the solution in the whole pool until the final concentration of the water body is 2-4g / m<3>, wherein the solution can be continuously used twice based on the disease condition. The method has the following beneficial effects: the methylene blue is a lustrous dark green columnar crystal or fine brown powder and is soluble in water; and the aqueous solution is blue and alkaline, has mild drug property, has lower toxicity toward fishes and has an obvious effect on treating saprolegniasis.
Description
technical field [0001] The invention belongs to aquaculture disease prevention technology, and relates to a method for treating fish saprolegniasis with methylene blue. Background technique [0002] In early spring and late winter, due to reasons such as improper operation of pulling nets or collisions during seed transportation, fish seedlings were scratched, and effective disinfection measures were not taken, causing fish seedlings to suffer from saprolegniasis. The pathogen is saprolegniasis, and when the water temperature is low, the propagation speed is fast. After a large number of fish fry are infected, the fish have difficulty breathing, slow movement, emaciated fish, and die soon. [0003] After malachite green, a special drug for treating saprolegniasis, was banned, various alternative products emerged one after another, but most of them had mediocre effects. Methylene blue can effectively and quickly kill saprolegniasis and completely cure saprolegniasis. Methyl...
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Login to View More IPC IPC(8): A01K61/00A61K31/5415A61P31/10
CPCY02A40/81
Inventor 孙丽
Owner 孙丽
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