期刊
FISH PHYSIOLOGY AND BIOCHEMISTRY
卷 31, 期 2-3, 页码 193-199出版社
SPRINGER
DOI: 10.1007/s10695-006-0024-3
关键词
Japanese eel; artificial maturation; oogenesis; spermatogenesis; artificial insemination; larval rearing; leptocephalus; glass eel
The eel has long been esteemed as an important food fish in the world, especially in Japan, and has been used as an experimental fish for many fields of fish physiology. However, the decreases in eel resources have been a serious concern in recent years. The catches of glass eels as seedlings for aquaculture have shown a long-term decrease in both Europe and East Asia. To increase eel resources, the development of techniques for artificial induction of maturation and spawning and rearing their larvae have been eagerly desired. Recent progress of reproductive physiology of fish, especially mechanisms of oocyte maturation and ovulation in female and of spermatozoa maturation in male, facilitate to establish techniques for hormonal induction of maturation and spawning in sexually immature eels. With persistent effort to development of rearing techniques of larvae, we have first succeeded to produce glass eel. These applied techniques are may contribute to understand the basic reproductive physiology of the eel.
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