A mixed bait feeding method for cultivating imitation prawn seedlings
A Hastelloy imitation prawn, bait feeding technology, applied in animal feed, animal feed, climate change adaptation, etc., can solve the problems of reducing the survival rate of seedlings, difficult control of feeding amount, and high difficulty in cultivating rotifers
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[0018] The present invention adopts sea-caught living wild Penaeus harbourii as the parent, and selects the parent shrimp with plump glands, healthy body and disease-free body, and yellow-brown or brown-green ovary. The broodstock breeding pond is covered with two layers of shading film, the water temperature is 25-28°C, and the stocking density is 15-20 fish / m 2 , and the salinity is 24-27‰. Feed twice a day, the bait is mainly snail meat, fresh shrimp, etc., absorb the bottom once a day, and change the water once every 3 to 4 days.
[0019] The water temperature during the nursery period is the temperature under natural conditions. The water temperature in the nursery stage is 26-31°C, and the seedling water level is controlled at 40 cm. After that, add 10 cm of water every day until it is full of 110 cm. At this time, it has reached the stage of mysis larvae and starts to suck Bottom sewage, and at the same time start to change the water, about 1 / 3 of the water change per ...
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