Method for obtaining normal mature sperm of eel
A technology of mature sperm and eel, which is applied in the field of obtaining normal mature sperm of eel, can solve the problems of mysterious disappearance of eel, difficult survival of eel seedlings, and influence on the survival rate of seedlings, and achieve the effect of ensuring the quality of sperm
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[0009] In the middle and late November of each year, the collected eel parents are put into the cement pond. According to the habit of eel's nocturnal appearance, the cement pond is shaded with a shading net or plastic foam during the day, so as to completely avoid light, and the shading net is opened at night. Let the eel bathe in the moonlight and stimulate the flow of water at the same time, let the eel do reproductive migration in the pond, and conduct food attraction and domestication. After the eel is fed for 15 days, the salinity domestication is carried out; the eel parent needs to go through osmotic pressure and physiological conditions to enter the seawater from fresh water. The adjustment of the whole process requires a certain time to adapt to seawater; the salinity acclimation gradually transitions from low concentration to high concentration, and finally enters seawater, that is, starting from fresh water, the salinity increases to 5‰, and the salinity increases ev...
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