Method for determining feeding time of hucho taimen fish fries
A feeding method and technology for jellyfish, which are applied in fish farming, application, climate change adaptation, etc., can solve the problems of increasing the amount of bait fed, inability to determine the feeding period, and high breeding costs, and achieve bait conversion. The effect of improving feed conversion rate and reducing feeding amount
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specific Embodiment approach 1
[0010] Specific embodiment one: the present embodiment determines the method for throwing and feeding time of crocodile larvae, according to the following steps: one, when the larvae of crocodile crocodile is cultivated to the floating stage, randomly get 8 to 10 whole fish with Bouin's solution each time Fix for 46-50h, then carry out paraffin embedding, and obtain the wax blocks embedded with the larvae; 2. Put the wax block into a slicer and perform continuous slices according to the transverse direction of the larvae, and the thickness of the paraffin slices is 6 ~8μm; 3. H.E. stain the paraffin sections, seal the sections with neutral gum, dry them and place them under a microscope to observe the development of taste buds in the oropharynx of the larvae. If the taste buds are fully developed, they are larvae The best time for feeding; if the taste buds described in step 3 are fully developed, the specific performance is that the taste buds are composed of three types of ce...
specific Embodiment approach 2
[0011] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in step one, get 9 tails of whole fish at random each time and fix them with Bouin's solution for 48h. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0012] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that the thickness of the paraffin section in step 2 is 7 μm. Others are the same as in the first or second embodiment.
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