Turtle drowning
The cause of the disease is that semi-aquatic turtles stay in the pool where the water level is too deep for a long time, so they can only float on the water surface and stretch their necks to breathe. After a long time, the turtles lose their strength and choke water; sometimes they change water and suddenly increase the water level, and large fluctuations in the water surface can also lead to turtle drowning.
The neck of the tortoise is swollen and the limbs are weak. After dissection, the lungs were filled with water, and there was more water in the abdominal cavity.
After the prevention and treatment of diseased turtles are found, the head of the turtle is turned down, there is water flowing out of the nostrils, and the four-limb fossa of the tortoise is pressed with fingers, squeezing regularly. Slightly drowning turtles are placed in a ventilated place to slowly recover.
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What are the symptoms of fish when they are sick?
Generally speaking, we have some key points for observing the appearance of fish: 1. Body color: if you often observe the fish you raise, you will know what its normal color looks like. If it suddenly becomes dark or light or even pale, it means that there may be something wrong with the fish. two。 Behavior: if the fish is always lively and active, and suddenly becomes inactive and even stays at the bottom somewhere in the tank or floats on the water, then this is also a problem.
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Processing of quick-frozen large silverfish
Quick-frozen silverfish are exported to Japan, Southeast Asia and Europe, especially popular with Japanese consumers. With the continuous improvement of the output of large silverfish in the reservoir, quick-frozen big silverfish has become one of the export aquatic commodities with high exchange rate in China. The main results are as follows: 1. Fresh-keeping and transportation of raw fish the large silverfish has a small body and thin skin, which is easy to rot and deteriorate, and the production is highly seasonal. In order to ensure the quality of silverfish, when fishing, you can disembark with ice and keep it fresh at the first time. The specific method is to first select and classify the big silverfish caught on the ship.
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