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６月初，有少量蝌蚪进入变态期，６月中旬则大量进入变态期。蝌蚪进入变态期停止进食；由用鳃呼吸变成用肺呼吸；由鱼形游泳运动变成蛙式跳跃运动；由以植物性饲料为主变为以动物性饲料为主。这一过程，既需要在水中生活，又需要在岸上生活，至少需１周时间。此时要及时建立变
In early June, a small amount of tadpoles entered the metamorphosis, and in mid-June, a large number of metamorphoses were entered. Tadpoles into the metamorphosis to stop eating; by gills breathing into lung breathing; by the fish-shaped swimming into a frog jumping exercise; from the main animal feed to animal feed-based. This process requires both living in the water and living on the shore for at least a week. At this point in time to establish change