Artificial propagation method of esox reichertii
A black-spotted pike and artificially induced birth technology, applied in the field of black-spotted pike breeding, can solve the problems of low hatching rate, long spawning cycle, and inconsistent spawning time.
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specific Embodiment approach 1
[0014] Specific embodiment one: in the present embodiment, the method for artificially induced labor of black-spotted pike is carried out according to the following steps:
[0015] Step 1. Select a female fish with a good body shape, strong activity without injury, a body weight greater than 2kg and over 3 years old as the female parent.
[0016] Select a male fish with good body shape, strong activity without injury, weighing more than 1.5kg and over 3 years old as the male parent;
[0017] Step 2. In April, when the water temperature rises to 8°C, the female and male parents selected in the fishing step 1 are anesthetized and given the first drug injection at the base of the pectoral fins of the broodstock. The injection depth is 5mm. Inject 2.0 μg salmon gonadotropin-releasing hormone analogue and 500 IU chorionic gonadotropin at a ratio of 2.0 μg salmon gonadotropin-releasing hormone analogue and 500 IU chorionic gonadotropin per kilogram of body weight; for males, inject ...
specific Embodiment approach 2
[0021] Embodiment 2: This embodiment differs from Embodiment 1 in that: step 2 anesthesia is to put the fish in a 5% phenoxyethanol anesthesia solution, anesthetize until the fish body is gently turned and no longer struggling. Other steps and parameters are the same as in the first embodiment.
specific Embodiment approach 3
[0022] Embodiment 3: This embodiment is different from Embodiment 2 in that: step 3 anesthesia is to put the fish in a 5% phenoxyethanol anesthesia solution, anesthetize until the fish body is gently turned and no longer struggling. Other steps and parameters are the same as in the second embodiment.
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