Brazilian turtle
The breeding of Brazilian green turtles, a new special aquatic product, is welcomed by farmers in Huzhou City, Zhejiang Province. According to the technical staff of the city's aquatic technology promotion station, 2 million Brazilian turtles have been raised in rural areas of the city this year, with a rapid development rate.
Brazilian turtles are native to the Mississippi River in the United States, also known as colorful turtles, red-eared turtles, beautiful brocade turtles and so on. The appearance is beautiful, the color is colorful, the action is quick, and it is very lovely. Raised in the water, shining under the light, seven colors appear on the head and back armour, such as red, yellow, white, brown, green, gray and purple, so people call it "colorful turtle" which has high ornamental value and edible value. at the same time, it also has a certain medicinal value.
The breeding of Brazilian turtles in Huzhou City was first introduced by the "National Advanced Agricultural Technology Popularization individual" in Donglin Town, Linghu District. He made full use of the equipment and technology of local farmers to raise soft-shelled turtles and successfully introduced 250000 turtles from other places for trial breeding in 1998. This year, farmers in Donglin Town alone raised 500000 Brazilian turtles.
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Correct use of fishery medicine
With the rapid development of aquaculture, the problem of disease prevention and control has become increasingly prominent, so it is particularly important to master the correct use of fishery drugs. First, fish drug ① poisoning, including pesticide poisoning, red tide poisoning, seaweed poisoning, fishery drug poisoning, etc., different poisoning conditions, different treatment methods. ② malnutrition, chronic, long-span, should choose high-quality feed, should not be misdiagnosed as other diseases. ③ bacterial disease has the same symptoms as bacterial disease, and most antibiotics are effective. There is almost no ④ virus disease.
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In the turtle and soft-shelled turtle culture pond, there are often red bugs swimming in the pool surface and corner, so that a layer of red bloom is formed on the water surface. It consists of many planktonic fleas, with an average body length of about one millimeter. The normal body color of Cladocera is grayish white, and it turns red only when the water is anoxic, so red worms are mostly found in stinky gutters.
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