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养殖美国青蛙具有投资少、风险小、利润大、受益快的特点,是农家致富的好项目。但养殖是否成功,引种是至关重要的一环。据多年来对美蛙的研究和供种经验,引种者只要注意以下问题,可保引种成功。 1.品种要纯。国内养殖的多种经济蛙类均各有明显特征,容易区别,唯有美蛙和牛蛙较易混淆,可根据以下特征辨认:①体型:美蛙体型较小,成年蛙体长13厘米,体重450～600克;牛蛙较美蛙大,体长可达20厘米左右,体重可达500
Breeding American frogs have the advantages of less investment, less risk, greater profits and quick benefits, and are good items for farmers to get rich. However, the success of farming, the introduction is a crucial part. According to many years of research and supply of frog experience, the introducer as long as the following questions, can ensure the success of the introduction. 1 species to pure. Domestic species of commercial frogs have their own distinct characteristics, easy to distinguish, only the frog and bullfrog are more confusing, can be identified according to the following characteristics: Body size: the smaller the size of the frog, adult frog body length of 13 cm, weight 450 to 600 grams; bullfrog more than the American frog, body length of up to 20 cm, weighing up to 500