While in their larval stage, giant clams must swim and feed in the water column. 当它们的幼虫期,巨蛤蚌必须游泳和喂养在水柱。
Results Vasobral improved the development of larval and a dult stages,enhanced the vitality and increased the quantity and quality of ovum. 结果活血素能促进家蚕幼虫期生长发育,提高蛹期茧质量,延长雌蛾生命,并能产生更多卵子。