Annan leaf turtle first appeared in the wild in 65 years.
Researchers from the Asian Sea Turtle Program announced that an Annan leaf turtle, listed by the World Conservation Union (IUCN) as one of the world's 25 most endangered species of sea turtles, had been captured in the wild in Vietnam's Quang Nan province at the end of last month.
It is said that the blood of Annan leaf turtle can be used as a traditional medicine to treat heart disease.
Vietnam passed a new law this year making it illegal for anyone to collect or sell Annan leaf turtles. Asian sea turtles plan to hold an education campaign in Quang Nan province, Vietnam, to promote awareness of the importance of protecting Annan leaf turtles.
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What is the model of cultivating one-year-old fish species in Guangdong and Guangxi
The way of cultivating one-year-old fish species in Guangdong and Guangdong is different from that in Jiangsu and Zhejiang. Instead of multi-species mixed culture at the beginning, monoculture was carried out in the early stage, and after the fish grew to 5-6 cm, mixed culture was carried out in proportion. The advantages of this way of cultivating one-year-old fish species in Liangguang are as follows: (1) the survival rate of fish cultured alone in the early stage is relatively high, usually 80% to 90%. (2) in the later stage, we can "get rid of the inferior and take the best" when matching and stocking in proportion. Mixed culture of strong fish can also improve the survival rate accordingly.
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Control methods of turtle white mildew
White mildew of turtles, also known as water mildew, mycosis and fungal dermatitis, is caused by a large number of fungi infecting the skin of turtles. 1. Symptoms. At the initial stage of the disease, gray-white disease spots appeared one after another in the tortoise's dorsal nail, abdominal nail, neck and limbs, followed by a large number of gray-white flocculent mycelia. Hyperemia and ulceration occur in the wound, and in severe cases, the mycelium is thick and dense, and the disease-causing turtles are slow to respond, slow to move, loss of appetite, weight loss, and finally die of exhaustion, especially the small turtles. two。 Prevention. For
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