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Ensuring Optimum Mixability In Feed Manufacturing: Part 1 - Introduction

Ensuring Optimum Mixability In Feed Manufacturing: Part 1 - Introduction

Feed Processing 11 May 2009

Chin Sou Fei Novus International Pte Ltd Singapore Introduction The daily ration of nutrients that an animal receives from a feed may vary from time to time due to a number of reasons. The sources of variation will probably cause variation in the day-to-day level of nutrition received by an individual animal. Certain nutrients are guaranteed to be present at minimum levels and regulatory officials will be concerned, if guarantees are not met. Certain ingredients may be toxic at very high levels. The nutrient variation in feeds is most likely to occur for the following reasons (Wilcox and Baldi…
Ensuring Optimum Mixability In Feed Manufacturing: Part 2 - Effect Of Mixing Uniformity On Animals P

Ensuring Optimum Mixability In Feed Manufacturing: Part 2 - Effect Of Mixing Uniformity On Animals P

Feed Processing 11 May 2009

Effect Of Mixing Uniformity On Animals Performance Uneven ingredient dispersion feeds may lead to reduced bird performance. In order for birds to reach their genetic potential for growth and meat yield, levels of protein, energy vitamins an…
Ensuring Optimum Mixability In Feed Manufacturing: Part 3 - Factors That Affect Mixer Performance

Ensuring Optimum Mixability In Feed Manufacturing: Part 3 - Factors That Affect Mixer Performance

Feed Processing 11 May 2009

Factors That Affect Mixer Performance Although insufficient mixing time and filling the mixer beyond the rated capacity are often implicated as common sources of variation in finish feed. Other factors such as particle size and shape of the…
Ensuring Optimum Mixability In Feed Manufacturing: Part 4 - Mixer Testing

Ensuring Optimum Mixability In Feed Manufacturing: Part 4 - Mixer Testing

Feed Processing 11 May 2009

Mixer Testing Routine mixer testing should be an integral part of the quality assurance program and should be conducted quarterly. Procedures for mixer testing are relatively simple and involve taking samples at specific time intervals. The…
Ensuring Optimum Mixability In Feed Manufacturing: Part 5 - Color-coded Tracers, Data Analysis

Ensuring Optimum Mixability In Feed Manufacturing: Part 5 - Color-coded Tracers, Data Analysis

Feed Processing 11 May 2009

Color-coded Tracers Microtracerâ„¢ Rotary detector (Micro Tracers, Inc., San Francisco, CA 94124): Inclusion and subsequent analysis for tracer particles is another method for mixer testing. A sufficient amount of iron filings, colored …
Ensuring Optimum Mixability In Feed Manufacturing: Part 6 - Conclusion

Ensuring Optimum Mixability In Feed Manufacturing: Part 6 - Conclusion

Feed Processing 11 May 2009

Conclusion Feed costs comprise the single most expensive component in producing poultry or other types of meat animals. As a result, effort to reduce nutrient variability within feeds will yield a significant return to commercial operations…
Extrusion Equipment Design And Selection: Part 1 - Introduction, Extrusion Equipment

Extrusion Equipment Design And Selection: Part 1 - Introduction, Extrusion Equipment

Feed Processing 10 May 2009

Keith C. Behnke Kansas State University USA The process of extrusion has been around for nearly a century, beginning in the rubber industry to produce items such as hoses and belting. Extrusion has been used nearly that long in the producti…
Extrusion Equipment Design And Selection: Part 2 - Single-Screw Extruders

Extrusion Equipment Design And Selection: Part 2 - Single-Screw Extruders

Feed Machinery 10 May 2009

Single-Screw Extruders From an engineering point of view, an extruder is simply a pump that provides the pressure necessary to force the process mash through a restrictive die. During the transport through the barrel, it is common that mass…
Extrusion Equipment Design And Selection: Part 3 - Twin-Screw Extruders

Extrusion Equipment Design And Selection: Part 3 - Twin-Screw Extruders

Feed Machinery 09 May 2009

Twin-Screw Extruders In order to create a design with greater operating flexibility and with greater operational control, twinscrew machines were developed. Twin-screw extruders can be co-rotating, counter-rotating, intermeshing or non-inte…
Extrusion Equipment Design And Selection: Part 4 - Single- verses Twin-Screw Comparison, Low-Cost Ex

Extrusion Equipment Design And Selection: Part 4 - Single- verses Twin-Screw Comparison, Low-Cost Ex

Feed Machinery 09 May 2009

Single- verses Twin-Screw Comparison There is no doubt that twin-screw extruders allow the development and production of a greater array of products but at a significant cost. Twin-screw machines are 1.5 to 2.0 times the cost of a singlescr…
Extrusion Equipment Design And Selection: Part 5 - Summary

Extrusion Equipment Design And Selection: Part 5 - Summary

Feed Machinery 08 May 2009

Summary Extrusion has become a common process in the feed industry and allows the production of feed types that simply are not possible with pelleting or any other process we have available. In general, single screw extruders provide adequa…
A Perspective On Mixing And Mix Uniformity: Part 1 - Introduction, Current Situation, Value Of Feed

A Perspective On Mixing And Mix Uniformity: Part 1 - Introduction, Current Situation, Value Of Feed

Feed Machinery 06 Apr 2009

Keith C. Behnke Kansas State University USA The basic premise used by all nutritionists when formulating rations is that each aliquot (mouthful) of the diet is balanced with respect to the known nutrient requirement of the target animal. Th…
A Perspective On Mixing And Mix Uniformity: Part 2 - Equipment Properties, Current and Future Aspect

A Perspective On Mixing And Mix Uniformity: Part 2 - Equipment Properties, Current and Future Aspect

Feed Machinery 05 Apr 2009

Equipment Properties The range of equipment used to mix feed is at least as diverse as the ingredients. There have been many attempts to reduce mixing concepts to a series of engineering equations thus facilitating equipment design from a t…

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