The supervised curricular internship was carried out at the Animal Nutrition Laboratory of the Federal University of Tocantins. During the internship, bromatological analyzes of foods used in animal feed were carried out: dry matter and ash, crude protein, Fiber in neutral detergent
(NDF), pH and ammoniacal nitrogen. Corn is one of the most produced cereals in the world and comes in various colors and sizes. Corn has some structures, including the endosperm, has the largest amount of starch in corn, and due to this arrangement of starch, corn can be harder or not. Techniques to improve the digestibility of these corn grains for animals are used, including silage. Corn grain silages are widely used in animal feed, the technique of using rehydrated dry corn has become an alternative for animal consumption, in relation to moist corn. The silage process improves the digestibility of corn that presents a greater maturity, the objective of this work was to review the fermentative characteristics of rehydrated corn grain silages and present the main indicators of the fermentation process of these silages.
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