【摘要】 研究了蟾蜍受精卵的孵化过程 ,对蝌蚪的生长、发育、变态及幼蛙的生长特性等方面进行了观察和测量 ,同时 ,采用人工诱导排卵的方法 ,进行了蟾蜍在人工条件下的受精试验 ,并对人工诱导的蟾蜍卵细胞进行了孵化试验。结果表明 ,自然条件和人工诱导条件均能够完成蝌蚪的孵化和发育 ,但是在蝌蚪的变态阶段存在较高的死亡率。更多还原

【Abstract】 Some experiments had been carried out on toad in the feeding period. Forage supply, artificial feeding technology, the breeding of toad, the incubating of tadpole, the induced ovulation of toad with the stimulation of pituitary extracted liquid, the toad’s biological characteristic and toad-cake output during hibernation were studied. The results showed that some methods and technologies in the research are useful and can be applied into the practical operation of toad raising.更多还原