如何使特种水产动物安全越冬,技术是关键。现介绍几种特种水产养殖动物的越冬方法。 1.黄鳝 黄鳝越冬方法有两种:一是带水越冬,让黄鳝池留有一定的水层,水层高度根据池子环境和冬季气温情况而定,一般5～10厘米为宜。这种越冬方法,在气温水温较低时,黄鳝可潜入池底泥土洞穴深处越冬,水表冰层还可起保暖作用。若气温较高,黄鳝则能在温暖的白天出洞呼吸和捕 How to make special aquatic animals safe and wintering, technology is the key. Now introduce several special aquaculture animals overwintering method. 1. Eel eel winter there are two ways: First, wintering with water, so that there is a certain water pool eel pool, water layer height according to the pool environment and the winter temperature may be, generally 5 to 10 cm is appropriate. This overwintering method, when the water temperature is low, the eel can sneak into the depths of the cave soil in the bottom of the pond, and the water surface ice layer can also play a role in keeping warm. If the temperature is high, the eel in the warm day out of the hole breathing and catching