Breeding method for improving commercial specification and commercial rate of freshwater shrimps
A technology of commodity specifications and breeding methods, applied in the fields of botanical equipment and methods, fish farming, climate change adaptation, etc.
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Embodiment 1
[0147] 1. Pond conditions
[0148] Adjacent to Nanyi Lake, choose 4 ponds with areas of 2.5 mu, 3 mu, 2 mu and 3 mu respectively, which are recorded as 1#, 2#, 3# and 4# respectively. The bottom of the pond is flat and can store water for 1.2-1.5 m, the slope ratio is 1:4, the bottom mud is loamy, has a perfect water inlet and drainage system, the pond ridge is clean and free of weeds, and equipped with microporous pipeline oxygenation facilities. The pond is detailed as figure 1 As shown, the sequence numbers in the figure are 1 pond. 2 pond ridges. 3 slopes (slope ratio 1:3-5), 4 water plants, 5 blowers. 6 oxygenation main pipeline. 7 Oxygenation flexible pipe. 8 nanometer aeration tube.
[0149] 2. Clear pond
[0150] On June 20, 2014, the pool was drained and exposed to the sun for 15 days until the bottom of the pool turned white and cracked, and the bottom of the pool was leveled at the same time. On July 5, 2014, 30cm of water was poured in, and 20kg of tea meal...
Embodiment 2
[0203] 1. Pond conditions
[0204] Adjacent to the Guxi River, choose 4 ponds with an area of 5 mu, 4 mu, 4 mu and 6 mu respectively, which are recorded as 1#, 2#, 3# and 4# respectively. The bottom of the pond is flat and can store water for 1.2-1.5 m, the slope ratio is 1:3, the bottom mud is loamy, has a complete water inlet and drainage system, the pond ridge is clean and free of weeds, and equipped with microporous pipeline oxygenation facilities.
[0205] 2. Clear pond
[0206] On June 14, 2014, the pool was drained and exposed to the sun for 20 days until the bottom of the pool turned white and cracked, and the bottom of the pool was leveled at the same time. On July 4, 2014, 30cm of water was poured in, and 25kg of tea meal was selected per mu. After soaking for 24 hours, the pulp was melted and sprinkled in the whole pond to completely remove wild fish, snails, eels, loaches, and leeches in the pond.
[0207] On January 25, 2015, the water in the pond was drained ...
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