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    Corn gluten feed (CGF) , Composition and Feeding Value for Beef and Dairy Cattle

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    Document anglais, de la possibilité de l'utilisation deu gluten de maïs dans l'alimentation bovine. Corn gluten feed (CGF) is a by-product of the wet milling process. Wet CGF or dry CGF represents an excellent feedstuff that has broad feeding applications in the beef and dairy cattle industries. It contains significant amounts of energy, crude protein, digestible fiber, and minerals. Sample analysis should be conducted regularly to account for manufacturing plant or batch variations in nutrient composition of CGF. Wet CGF is more digestible than dry CGF and can replace up to 50% of dry rolled corn or 30% steam-flaked corn in beef finishing diets without negatively affecting performance. Dry CGF can replace up to 25% of dry rolled corn in beef finishing diets before reductions in cattle performance begin to occur. However, the relative feeding values of both wet CGF and dry CGF compared to corn depend on the roughage level  of the diet. This is due to the inherent ability of CGF to reduce negative associative effects on fiber digestion induced by starch. In general, most studies show that either wet CGF or dry CGF can be utilized in dairy heifer and cow diets without negatively impacting performance. Although wet CGF is nutritionally superior compared to dry CGF, least cost ration formulation may dictate the use of the dry form as the distance between the milling plant and the livestock operation increases. This is because transportation costs on a dry matter basis are generally less for dry CGF. Thus, inclusion of CGF in diets must be evaluated on an individual operation basis.

    Organisation : Kansas State University
    Auteur(s) : Dale A. Blasi, Jim Drouillard, Michael J. Brouk, Sean P. Montgomery
    Date de publication : 31 octobre 2008