一、防止温室龟充生态龟利用温室加温、快速催长技术养殖的龟类只能作食用，如引种作繁殖，头几年根本不产卵。一般常温下生长3年的乌龟达300克、七彩龟达750克才产卵，而温室养龟一年就可长到500克以上。因此对龟板嫩白、干净，颜色较常见龟浅淡的以及轮纹过少的龟，可认定为 First, to prevent greenhouse turtle ecological turtle use of greenhouses warming, rapid protracted technology turtle breeding only for food, such as the introduction for breeding, the first few years did not spawn. Generally grown at room temperature for three years turtles up to 300 grams, 750 grams of colorful turtles only spawn, and greenhouse turtles can grow to more than 500 grams a year. Therefore, the tortoiseshell white, clean, the color of the more common turtles and round pattern less turtles, can be identified as