Animal husbandry – Aquatic animal culturing – Fish culturing
Patent
1996-12-24
1998-07-28
Carone, Michael J.
Animal husbandry
Aquatic animal culturing
Fish culturing
119221, 119238, A01K 6100
Patent
active
057850020
DESCRIPTION:
BRIEF SUMMARY
The invention relates to the technical field of breeding fish, especially Cyprinidae which live in freshwater, rivers, canals, lakes, gravel-pits and all aquatic environments.
Usually, this type of fish reproduces naturally on submerged aquatic vegetation. The disappearance of this higher vegetation in aquatic environments reduces the bio-mass for these species considerably. This aquatic flora also provides shelter for a multitude of micro-organisms and macro-invertebrates which are a food source for fish.
In order to overcome these disadvantages, a proposal has been made to construct shelters along the banks of rivers designed to encourage the reproduction of fish. These shelters are produced in the form of assemblies made of concrete or a similar material which are also submersed and can incidentally be used to support the banks of the river bed. This type of shelter is admittedly useful but is expensive and very difficult to transport, thus limiting the conditions under which it can be used.
SUMMARY OF THE INVENTION
The object of the invention was to produce a new design for a structure that encourages the spawning of fish and which, being of simplified design, can be constructed and moved quickly as needed.
Another object of the invention was to produce a submersible structure which encourages the spawning of fish, but at a relatively affordable cost price and in highly adaptable module form to meet the observed needs.
These objects and others will be apparent from the description below.
According to a first characteristic of the invention, the submersible structure for breeding piscicultural species in any aquatic environment is characterised in that it comprises at least one frame shaped and devised to accommodate a plurality of bunches of fibres, said frame accommodating means of ballasting and floating means of suspension which make it possible to position the frame(s) in medium-depth water.
BRIEF DESCRIPTION OF THE DRAWING
The object of the invention is illustrated in a non-exhaustive manner in the Figures in which:
FIG. 1 is a perspective view of a module of a submersible structure according to the invention,
FIG. 2 is an alternative view of a double module in accordance with FIG. 1,
FIG. 3 is a schematic view showing the deployment of a structure in the water,
FIG. 4 is a view of a strip that accommodates a plurality of bunches of fibres that allow the reproduction of fish,
FIG. 5 is a large-scale view showing several bunches of fibres,
FIG. 6 is a partial view of a frame that accommodates a plurality of bars that support bunches of fibres,
FIG. 6A is a large-scale view of a detail in FIG. 6.
DETAILED DESCRIPTION OF THE INVENTION
In order to make the object of the invention more apparent, it is described non-exhaustively, with reference being made to the Figures.
The submersible structure used to encourage the spawning and reproduction of fish, especially Cyprinidae, is referred to in its entirety as (1). This structure can be submersed in freshwater, river water, running water, calm water or lakes, gravel-pits, canals, the sea and, generally speaking, in any aquatic environment. It comprises a frame (2) shaped and devised to directly accommodate a separately mounted plurality of bunches (3) of fibres (4) made of an appropriate material, said frame accommodating means of ballasting (5) and floating means of suspension (6) used to position the frame in medium-depth water relative to the bottom of the lake, river or similar environment.
This frame (2) forming a framework is made, for example, from metal angle sections or other material that has been treated to protect it against corrosion taking into account the environment in which it is used. Referring to FIGS. 6 and 6A, this frame is devised in the form of modules which can be placed side by side using appropriate means of securing, connecting and fixing (7). Each frame can have a rectangular, square, circular or other shape and accommodates, crosswise or, if applicable, around its periphery, shaped strips (8) FIG. 1, to which the bunc
REFERENCES:
patent: 3118424 (1964-01-01), Willinger
patent: 3540415 (1970-11-01), Bromley
patent: 4441453 (1984-04-01), McMickle et al.
Abbott Yvonne R.
Carone Michael J.
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