一、外塘放养甲鱼的季节上海地区外塘放养甲鱼应在５月上旬末至８月下旬初之间。放早了，气温、水温太低，甲鱼在外塘不摄食，而且在冬眠、半冬眠状态下放养，生产上既无意义，也对甲鱼生存不利。８月下旬之后，外塘饲养的甲鱼离冬眠的时间已不多，甲鱼没有时间和机会蓄积脂肪 First, the release of turtle turtle outside the season outside the Shanghai area turtle stocking turtle should be in late May to late August early. Put it early, the temperature, the water temperature is too low, the turtle in the outer pond does not feed, but also hibernation, half hibernation state stocking, production is meaningless, but also detrimental to the survival of turtle. After late August, turtle feeding outside the pond is not much time from hibernation, the turtle has no time and opportunity to accumulate fat