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METHOD FOR INDUCING ARTIFICIAL OVULATION AND SPAWNING OF FRESH-WATER EELS
专利权人:
发明人:
申请号:
HK16110142.8
公开号:
HK1221867B
申请日:
2016.08.25
申请国别(地区):
HK
年份:
2018
代理人:
摘要:
Disclosed is a method for inducing artificial ovulation and spawning of freshwater eels to promote artificial ovulation, without employing intraperitoneal injection, by feeding a feminization-inducing material (e.g., 17²-estradiol) for inducing feminization during a predetermined period into a raising bath in which broodfish as a subject of artificial ovulation are raised and, when an ovulation induction period arrives, adding pituitary extracts of catadromous fish, i.e., a flathead mullet pituitary extract (FPE), as an artificial ovulation-promoting substance to the bath. Preferably, according to the present invention, raising water of the raising bath is prepared by selectively setting fresh water, brackish water and seawater conditions, a feminization-inducing material for inducing complete feminization of broodfish of the freshwater eels is fed to the raising bath including the raising water under a fresh water condition, and pre-treatment for feminization is performed. Subsequently, the raising water is set to a seawater condition and the ovulation-inducing substance is fed to the raising water, thereby inducing ovulation and spawning of the broodfish.
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中国工程科技知识中心
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