Artificial proliferation and release method for Ya-lung river percocypris pingi
A multiplication and release, artificial technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems of low fertilization rate, survival rate, emergence rate and survival rate, unfavorable large-scale reproduction of perch carp, slow growth of perch carp, etc. Achieve the effects of improving hatching rate and survival rate, avoiding hypoxia, and increasing dissolved oxygen
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Embodiment 1
[0030] This example takes the perch breeding and releasing process in the Yalong River Guanyinyan fish breeding and releasing station as an example. After years of hard work, the releasing station has studied the artificial breeding and releasing process of perch, and has now overcome this kind of artificial breeding. Many key technologies in the release, the artificial breeding and release process of perch will play a more active role in the restoration and protection of the fishery resources and ecological environment of the Yalong River; specifically:
[0031] Select healthy and sexually mature perch females and males caught in the Yalong River as brood fish, anesthetize the selected brood fish with anesthesia MS-222 60mg / L, and then inject oxytocin drugs at the base of the pectoral fin of the brood fish, inject twice , the time interval between the two injections is 36 hours, and the effect is 48 hours at a water temperature of 13°C after each injection; the dosage of oxyto...
Embodiment 2
[0040] The healthy and sexually mature perch females and males caught in the Yalong River were selected as brood fish, and the selected brood fish were anesthetized with the anesthetic MS-222 120㎎ / L. The time interval between the two injections was 36 hours, and the effect was 48 hours at a water temperature of 13°C after each injection; the dosage of oxytocin drugs for male fish was half that of female fish; Composition: carp pituitary gland 11mg + chorionic gonadotropin 10μg + luteinizing hormone releasing hormone analogue 800IU; this oxytocin drug helps to promote the complete gonad development of male and female broodstock, and at the same time makes most broodstock estrus at the same time, improving the efficiency of artificial oxytocin, It is more conducive to the cultivation and management of fry in the later stage.
[0041] Select mature female fish with obvious abdominal distension and strong physique after injection of oxytocic drugs for artificial dry insemination, ...
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