Carp fry cultivation method

Trout fry cultivation can be carried out in ponds, cement ponds, glass steel sinks, canvas sinks or in cages.

1. There are no strict rules for the specifications of the cement pool used for the cultivation of salmon fry; the small ones are generally 5 cubic meters to 30 cubic meters, and the water depth is 0.7 meters to 1.3 meters; while the large pools are generally 50 cubic meters to 200 cubic meters, and the water depth is 1.5 M - 2 meters. The pool is diverse, with rectangles, squares, circles, ellipses, polygons, etc. Seen from the cultivation effect, the small pool is more convenient to control and operate than the large pool, and the survival rate of the nursery is higher, but the operation is more troublesome; the large pool is more suitable for the large-scale production of the enterprise, and the higher total output can be obtained, but the control And management is more difficult, especially when there is a pandemic. The shape of the pool is preferably round and octagonal. China's productive seedlings are mostly carried out in cement ponds.

2. If cultivated in a pond, the pond area is 600 square meters to 1,300 square meters, and the water depth is about 1 meter. It is required that the water source is sufficient, the water quality is good, and drainage and irrigation are convenient.

3. When cages are used for cultivation, the specifications of the cages should be 2m2m3m or 3m3m3m, ie a covered cage with an area of ​​4m2 to 9m2 and a depth of 3m. Mesh is knotless mesh, double layer, mesh 0.6 cm-1 cm. Net cages can be installed in water bodies such as sea areas or freshwater lakes and reservoirs, and are floating cages.

As a water body or facility for breeding eel fry, all fry must be strictly disinfected before stocking. Frequently used disinfectants include quicklime, bleaching powder, and trichloroisocyanuric acid.

The cultivation of ponds is generally disinfected with quicklime. The specific method is to splash lime with 20kg-25kg of whole lime every 100m2 of water about 10 days before stocking. Cement ponds, other types of sinks or cages, etc. are often disinfected with bleach or trichloroisocyanuric acid.

Polymer Sink

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