Animal feed processing

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The role of rendered  products in aquaculture feeds

With feed costs usually representing over half the operating cost of most finfish and shrimp farming operations, and an economic climate of steadily increasing feed ingredient and processing costs, considerable efforts have been placed by feed manufacturers on reducing feed costs through improvements in ingredient selection and feed formulation.
Non-European countries make increased use of processed animal proteins in aquafeeds. Total global compound... read more »

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Amino acid digestibility in heated soybean meal

Soybean meal fed to pigs undergoes heat treatment to destroy trypsin inhibitors and other antinutritional factors that impair the digestion of protein and thus reduce performance. However, heat treatment can damage nutrients as well. In particular, the Maillard reaction reduces amino acid digestibility by combining amino acids with sugars to produce biologically unavailable compounds. read more >

Reducing the health hazard of dust in feed processing

Exposure to dust from raw materials takes on special importance since almost all products used in the animal feed industry are in powder form. Many of them (in particular the feed additives) are chemical compounds and biological agents which have both acute and long-term toxic effects which include, in many cases the capacity to cause skin and respiratory sensitisation. This article shows that granulation proves to be a good method to reduce exposure to dust in the workplace. read more >

Achieving maximum  capacity for your bucket elevator

There is a demand for increasing the capacity of new and old bucket elevators particularly for handling grain. Factors that influence the capacity of an elevator are: bucket type, shape and discharge characteristics, optimum speed in relation to pulley size, shape of head and boot, material characteristics such as size, shape and density, angle of repose, coefficient of friction and terminal velocity. read more >

IFF projects reviewed

The Research Institute of Feed Technology of the International Research Association of Feed Technology in Braunschweig, Germany runs several projects on feed processing. This article summarises some previous and ongoing projects that are of interest to the feed industry. read more >

Energy-smart mill makes more feed, cuts carbon output

A newly expanded Aviagen poultry feed mill in Athens, Alabama, USA is producing 30% more feed while consuming far less energy, reducing its carbon emissions by hundreds of tons, and cutting its annual utility expenses by almost $170,000. The experience of the Aviagen mill offers an example of how new technology and sustainable practices can benefit both the environment and the bottom line. read more >
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