摘要
从自然环境中获得棘腹蛙蝌蚪两批共783只，在人工饲养室中，分成8组，用不同饵料饲养74天。发现不同龄期生长速度不同，甲状腺素有促进生长发育的作用，饵料系数则因投饵种类不同而有差别，平均饵料系数为2．79。
783 tadpoles of Rana boulengeri from natural state in west Hunan, which have been divide into 8 groups and feeded 74 days by different forages in the man-made feed room. The result shows that the tadpoles vary in growth rate at different age periods, thyroXine could bring a great help in growth and development. and each kind of forage differs in forage index; it is by an average level.
基金
湖南省教委自然科学基金
