Wenger Manufacturing is the premier world leader in production of high capacity extrusion equipment for many different styles of aquatic feeds. Floating, sinking, slow sinking, long water stability shrimp feeds and many unusual products such as sea urchin and abalone feeds are quite easily produced on Wenger single and twin screw extruders. Recent work has greatly increased hourly capacity on aquatic feeds of 3mm and down to 0.8mm in diameter.
Three times our original capacity on both floating and sinking products. This technology has been well received in shrimp feed production due to the advantages of extrusion cooking for these products. The greatest advantage is in formulation and the wider range of ingredients including vegetable proteins allowing for overall cost reduction on a ton basis. The additional costs of production are easily covered with formulation changes with exceptional feed conversion ratios.
In addition to the benefits of extrusion of aquatic feeds work has proven that vegetable protein sued for replacement for fishmeal can be fortified by binding essential amino acids to soybean meal as an example improving the nutrient profile of this ingredient and these feeds. Additional work has proven that Wenger’s newest line of extruders, Thermal Twin Extruders” are quite capable of incorporation of high levels of raw fish products allowing unusual semi moist pellets to be produced for the species requiring high levels of raw fish.
An example would be for tuna which typically are fed fresh or frozen pilchards. The technology now exists to incorporate up to 50 percent or ½ of the formula in scrap raw fish to make a highly attractable feed for these animals. The balance of the formula is typical feed ingredients. Making a prepared feed will allow scientific research to gradually reduce the fish level and increase traditional ingredients to least cost and improve the feeds for this industry. If you have a challenging project for aquatic feeds let us know we are ready to assist.
This blog is written by Martin Little, The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers. To get your copy of 'PPLAPP' click here.
Three times our original capacity on both floating and sinking products. This technology has been well received in shrimp feed production due to the advantages of extrusion cooking for these products. The greatest advantage is in formulation and the wider range of ingredients including vegetable proteins allowing for overall cost reduction on a ton basis. The additional costs of production are easily covered with formulation changes with exceptional feed conversion ratios.
An example would be for tuna which typically are fed fresh or frozen pilchards. The technology now exists to incorporate up to 50 percent or ½ of the formula in scrap raw fish to make a highly attractable feed for these animals. The balance of the formula is typical feed ingredients. Making a prepared feed will allow scientific research to gradually reduce the fish level and increase traditional ingredients to least cost and improve the feeds for this industry. If you have a challenging project for aquatic feeds let us know we are ready to assist.
This blog is written by Martin Little, The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers. To get your copy of 'PPLAPP' click here.
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