Artificial propagation method of phoxinus lagowskii
A technology of artificial breeding and Lasseria's can be applied in application, climate change adaptation, fish farming, etc. It can solve problems such as inability to discharge parent fish and different spawning time, so as to increase reproduction speed, prevent egg eating, and improve spawning rate. The effect of egg mass
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[0024] Example 1
[0025] refer to Figure 1-2 A method for artificial reproduction of Lagdens, the method comprising:
[0026] S1: Prepare a breeding site, make a disc-shaped cement pool with an outer diameter of 20 meters and an inner diameter of 5 meters on the ground, the depth of the cement pool is 60cm, lay gravel at the bottom of the cement pool, the height of the gravel is 5cm, and set a fan shape in the cement pool The screen frame, the outer diameter of the fan-shaped screen frame is 19 meters and the inner diameter is 6 meters, the angle of the fan-shaped screen frame is 30 degrees, and the height of the fan-shaped screen frame is 55cm. Place it on top of the gravel, add water into the cement pool so that the water depth of the cement pool is 50cm;
[0027] S2: Put broodstock, select mature broodstock, and calculate the total amount of broodstock that needs to be put in according to the area of the fan-shaped net frame. The ratio of male and female is 1:1.1, and...
Example Embodiment
[0031] Embodiment 2
[0032] Based on the above Embodiment 1, the rotation module in the step S3 is the same as the circle center of the disc-shaped cement pool. The advantage of this arrangement is that the rotating module can be moved along the direction of the disc-shaped cement pool.
Example Embodiment
[0033] Embodiment 3
[0034] Based on the above embodiment 1 or 2, the rotating module in the step S3 is a motor, the lifting module is a hydraulic cylinder, the drive shaft of the motor is connected to the hydraulic cylinder, and the output end of the hydraulic cylinder is connected to the hydraulic cylinder. The top of the fan-shaped mesh frame is connected, and the motor is connected to the ground in the center of the disc-shaped cement pool through a bracket. Through the setting of the lifting module, the fan-shaped screen frame can be lifted up, so that the skimming net can be easily removed from the gravel.
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