河蟹土池育苗新技术(连载)

来源 :科学养鱼 | 被引量 : 0次 | 上传用户:jydliu
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
 (10)第二、三批幼体的培育:  第二、三批幼体培育是指第二、三次怀卵蟹所孵化出的幼体的培育,这在生产上有一定的价值,应予重视。第二批幼体在培育方法上与第一批相同。问题是这批幼体的出膜时间恰好是处于第一批幼体培育的后期阶段,即首批幼体的培育工作尚未结束,第 (10) Cultivation of second and third batch of larvae: The second and third batch of larvae cultivation refers to the incubation of larvae hatched by the second and third pregnant crabs, which has certain value in production and should be paid attention to. The second larvae are the same in cultivation method as the first batch. The problem is that the larvae of these larvae are precisely in the later stages of the first larvae incubation, that is, the first larvae have not yet been completed.
其他文献
前言:不刻不行自由,似乎是人类的终极目标.尽管IT技术的出现,已经极大解放了人类的创造力,但在纵横的网络面前,人们又有了更高的期待.面对如此巨大的信息海洋,如何保存数据是
期刊