Alvestad
Alvestad Marin is a leading supplier of products and system solutions to the fish farming business. AM has developed, patented and commercialised unique solutions for the production of fry. The company’s main focus is on innovative solutions for hatcheries and water Recirculation. The company’s products are currently leading within these areas in all the salmon producing countries and the company has a subsidiary in Chile. |
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11.20.2010
06.03.2010
05.08.2010
05.07.2010
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Hatching substrate
21 % Lower mortality 33 % Greater fry capacity 60 % Less cleaning
A unique hatching substrate EasyHatch® is a hatching substrate with a perforated grid and support functions in an integrated unit, without mats that are placed on top of a grid. This prevents collection of dead matter, simplifies the cleaning and reduces the risk of fungi. In addition, air bubbles and related problems with pinching/squeezing of yolk fry are prevented.
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A EasyHatch® substrate |
Great fry capacity and good support The bottom in EasyHatch® is reinforced and perforated with round holes for even and good water flow. The pegs on the upper side are of various heights and placed between the perforations with a position adapted to ensure good support for the fry. This limits the swimming activity and may so prevent yolk abstriction.
The hatching substrate’s capacity is 90,000 salmon fry per m2
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Simple assembly and easier cleaning EasyHatch® is equipped with reinforcement ribs and locking mechanisms along the sides for connecting several sets and may thus easily be fitted directly in different types of hatching systems without support plate. With EasyHatch®, it is easier to empty the substrates of fry before the start feeding. Cleaning and disinfection for new introduction of roe is also considerably easier and less time consuming.
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In comparison with the traditional hatching substrates EasyHatch® showed best results with clear advantages in terms of assembly and cleaning as well as reduced risk for fry to fall between the mat and the bottom of the vessel.
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