The Rainbow Trout - Runkebjerg.dk

runkebjerg.dk

The Rainbow Trout - Runkebjerg.dk

A pond of this kind is shown in plate 25, and is the one here described. Various materials may beused for damming the water. The embankments may be made altogether of earth or lined withstone, brick, cement, or timber, according to circumstances. Where the ground is of a porous orloose formation it is necessary to use piling or cement for the inside of the embankments andpossibly cement for the bottoms, but earth bottoms are best where the nature of the groundpermits. The water enters the pond at one end and discharges from the lowest opposite corner.The bottom is graded as shown in the cross-section, plate 25, with a slope toward the outlet, sothat when all the water is drawn out the fish are led into the receiving-trough (C), the top ofwhich is flush with the earth bottom in that part of the pond.The outlet for the water is an L-shaped pipe, shown at F, and is placed in the corner of thepond, the long end passing through the piling and underneath the pond embankment; the shortend, called the standpipe, stands close to the inside corner of the pond, in an upright position.

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