１购种的最佳时期购买种蛙首先应选择信誉好的养殖场 ,选择个体整齐、健壮、无伤病、无畸形、典型性状明显、性特征显著的２～３年生中国林蛙作种蛙。购种蛙的最佳时期一般选择在冬眠即将结束或刚结束时期 ,此时的林蛙即将出蛰或刚出蛰 ,代谢水平低 ,生理活动较弱 ,运动性差 , 1, the best time to buy a species of frog to buy frog selection should first choose a good farm, choose the individual neat, sturdy, no injuries, no deformity, the typical traits, significant sexual characteristics of 2 to 3 years old Chinese Rana for species frog . The best time to buy frogs generally choose to hibernate near the end of the period or just ended, when the Rana is about to emerge stung or just out of stings, low levels of metabolism, physical activity is weak, poor exercise,