It was found that,when the water temperature ranged from 0 ℃ to ℃,the embryonic development from oosperm to mature glochidia took days.
It was found that,when the water temperature ranged from 0 ℃ to ℃,the embryonic development from oosperm to mature glochidia took days.
果表明:在水温0℃- ℃时,受精卵发育为膜内钩介幼虫需 d;