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甲鱼是一种名贵的特种水产动物,它肉质鲜美,营养丰富,滋补力强,有较高的药用价值,在国内外市场十分畅销,深受消费者的青睐。甲鱼是变温水产动物,最宜生长温度为30℃左右,在此温度下养殖,饵料利用率高,生长速度快。当水温在25℃以下时,活动力降低,摄食量下降;当水温降至15℃以下时进入冬眠。体重将下降20%～30%。在我国长江中下游地区,甲鱼每年实际生长期不足6个月。因此,自然条件下养殖、通常需要4～5年,才能达到出售
Turtle is a rare and special aquatic animal, it is delicious meat, nutritious, nourishing and strong, has high medicinal value, is very popular in domestic and foreign markets, by consumers. Turtle is a variable temperature aquatic animals, the most appropriate growth temperature of about 30 ℃, breeding at this temperature, the utilization of food is high, fast growth. When the water temperature below 25 ℃, activity decreased, food intake decreased; when the water temperature dropped below 15 ℃ hibernation. Weight will drop by 20% to 30%. In the middle and lower reaches of the Yangtze River in China, the annual growth period of soft-shelled turtles is less than 6 months. Therefore, breeding under natural conditions usually takes 4-5 years to reach the sale