3results about How to "Neat specification" patented technology

The application provides a seven-day period factory cyclic Megalobrama amblycephala fry behavior domestication method and system, relates to the Megalobrama amblycephala breeding technical field, and includes: domesticating the fry into a domestication pond on the first day; starting vertical water flow impact before feeding fresh bait fish according to a preset first feeding frequency on the second day; feeding electric shock disabled live bait according to a preset second feeding frequency on the third day; feeding mixed live bait according to a preset third feeding frequency on the fourth day; feeding mosaic bait according to a preset fourth feeding frequency on the fifth day; feeding pure artificial compound feed using a composite feeding mode and starting water flow impact on the sixth day; feeding pure artificial compound feed on the seventh day, and screening domestication successful individuals based on behavior indexes after the period ends, so that the Megalobrama amblycephala is rapidly domesticated from feeding live bait to feeding artificial compound feed.

The application discloses a kind of Australian freshwater lobster synchronous oviposition parent screening equipment and screening method thereof, it is related to aquaculture technical field, including;Optical machine, support block and support, the optical machine is arranged at the top of support, the support block is rotationally arranged on support, and the inside of the support block is equipped with cavity, the support block is equipped with the placing box of transparent material, the inside of placing box is equipped with storage cavity, the placing box is equipped with recess on one side and close to support, the side end of support is equipped with shielding component, the drive mechanism that can control the rotation of support block is equipped in support, the air inlet is equipped on the support block, and the air blowing equipment with cold and hot alternation function is arranged at the air inlet, by;Optical machine can obtain the shooting image of female red-clawed crayfish, and the time of female red-clawed crayfish reproduction molting is judged according to the shape and size of gastrolith, so as to select the parent of basically synchronous reproduction molting, reach the purpose of screening synchronous oviposition parent.

The present application belongs to the technical field of shrimp, crab, shellfish and fish three-dimensional ecological aquaculture method, especially to a shrimp, crab, shellfish and fish three-dimensional ecological aquaculture method using ecological niche complementation, a salt pond in intertidal zone is selected, a culture salt pond with an area of more than 500 mu is constructed, the culture salt pond is 400-450 m wide from east to west, 850-950 m long from south to north, and 3.0-3.2 m deep, a ring ditch is excavated around the culture salt pond, a central ditch with the same direction as water inlet and outlet is excavated in the center, a shellfish bed is arranged between the ring ditch and the central ditch, and the slope ratio of water inlet to water outlet is 1.8:1.0.