Second, to prevent the purchase of hook turtles and sick turtles. Some of the caught turtles are easily killed because of hook injuries and internal organs. However, it is generally difficult to identify the turtle with the naked eye. For this case, conditional metal detectors can be used for inspection. If you see turtle bloody nose, limb weakness, mucus anus, blurred eyes and obvious trauma, do not be cited as a species of turtle.
Third, to prevent the purchase of water turtles. After the turtle is filled with water, it will die several days or dozens of days due to bacterial infection and crushing of the internal organs. In general, waterfloods can be identified from the following three aspects: First, the turtle's limbs and even the head protruded and shrank from the shell; second, the muscles of the extremities were swollen and edematous; and thirdly, there were obvious pinholes in the water injection site. However, if the amount of water injection is small, it is harder to identify, and it is more difficult for hibernating turtles to recognize whether water is injected. Therefore, when introduced, it is best to go directly to the farm turtle pool on the spot to collect fish to avoid selling water turtles.
Fourth, to prevent the purchase of fake turtles. There are many kinds of turtles, there are more than 240 kinds in the world, there are 34 species in China, many of which have similar physical characteristics, but have many aspects in terms of living habits, growth rate, breeding quantity, meat production rate, taste quality and comprehensive value. A large gap between the economic benefits of aquaculture is very different. Therefore, when purchasing a species of turtle, it is necessary to distinguish the turtle species of the same name and different species with the same names, and to prevent the purchase of fake and inferior turtles.
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