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The main methods of intensification of pond fish farms are feeding fish and fertilizing ponds with increased stocking density of fish per unit water area. Natural forage base of the…

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The construction of ponds for fish farming

The pond is an artificial pond created for fish breeding. For the construction of ponds it is best to use natural depressions, such as depressions and gullies. It is preferable to find such hollows near rivers, to avoid problems during the flooding of the ponds. Such ponds are called riparian. For the formation of floodplain ponds enough to block the earthworks elevated part of the shore. In front of an earthen embankment will be saved by river, atmospheric, ground water. In such ponds it is good to raise warm-water fish species.

In that case, if a future pond removed from river beds, it can be used other sources of flooding. Key ponds filled by water gushing from the ground up the keys, and brown – due to streams flowing across the land. Key ponds are created by the embankment and the strand by dividing creeks dams. These ponds are well used for the cultivation of Coldwater fish species.

Before you decide definitively on the choice of land where to locate the pond, it is necessary to conduct chemical analysis of water that will fill the pond. Water must be free from harmful impurities and chemical elements such as sulfur, chlorine, etc.

Of fundamental importance is the quality of the soil of the pond next. To prevent excessive water loss due to seepage, must choose an area with soil consisting of clay or predominantly clay. Often, in order to create the low permeability of the pond bottom lined it with plastic wrap, and then covered with soil.

In the absence of natural cavities of suitable size and quality build dug ponds. The device dug pond is enough to dig a hole depth of 2-2,5 m. the shape of the pond depends on the imagination of rybozavod, and the size of the planned production of future fish farms.

Regardless of the variety of pond during construction the following General rules:

to prevent the eutrophication of the pond prior to flooding the bottom shall be cleared from ditches and pits;

to avoid obstacles while catching fish the bottom of the pond must be cleared of trees, shrubs, stumps, and snags;

to pond sufficient water was supplied from nearby springs, streams, springs, they must be well cleaned prior to construction of the pond.