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Effects of feed formulation on feed manufacturing and pellet quality characteristics of poultry diets

Published online by Cambridge University Press:  01 March 2011

R.E. LOAR II  and
A. CORZO
R.E. LOAR II
Affiliation:
Department of Poultry Science, Mississippi State University, MS, 39762, USA
A. CORZO*
Affiliation:
Department of Poultry Science, Mississippi State University, MS, 39762, USA
*
Corresponding author: acorzo@poultry.msstate.edu
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Abstract

There is a wide array of factors, of which feed formulation is one, that can drastically affect both the quality of the feed produced as well as the parameters associated with the production of the feed in the mill. It has long been the practice in commercial broiler production to pellet the feed. It has been accepted at this point that feeding a diet with high quality pellets leads to better performance compared to the same diet with low quality pellets or in mash form. On the other hand, producing a high quality pellet is not the typical result in a large feed mill. In large mills, great quantities of feed must be produced in a short time frame and this is usually accomplished by running the mill at a high production rate and pelleting the diet through a relatively thin die. This usually results in decreased conditioning time and contact with the die for the diet, and consequently a lower quality pellet results, mainly because these are the two primary locations for the physiochemical reactions such as starch gelatinisation and protein denaturation that cause pellet binding. In this review we will discuss research pertaining to the use of different grains, by-products, minerals, pellet binders and most notably feedstuff constituents and their effects on both physical pellet quality as well as feed manufacturing variables such as energy usage and production rate when the data is available. The main focus will be given to research performed within the last decade. However, we have placed no restrictions on the research referenced based on publication date as there is always quality research with pertinent findings that have stood the test of time.

Keywords

formulationpellet qualityfeed manufacturing
Type
Review Article
Information
World's Poultry Science Journal , Volume 67 , Issue 1 , March 2011 , pp. 19 - 28
Copyright
Copyright © World's Poultry Science Association 2011

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