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The Value of Pelleting the Concentrate Part of the Ration for Lactating Cattle

Eastern States Farmers' Exchange, Inc., West Springfield, Mass.

ABSTRACT

In recent years the so-called coarse-textured dairy concentrate has gained considerable favor in the Northeast. Wilbur (6) has reported that medium finely ground grains are superior to either coarsely ground or pulverized grains. Olson (3) states that cows prefer medium ground grains to either whole grain or finely ground grain. The results of two trials by Colovos et al. (1) and Gibson et al. (2) indicated that the conventional medium textured mash ration was more digestible than the same ingredients in a coarse texture obtained by coarse grinding, crimping, and flaking. These workers also report no differences in palatability even when grain was fed as liberally as 20 lb. per cow per day. Trials reported by Turk (5) have given conflicting results. In one trial crimped oats appeared to be more highly digested than ground oats. However, a second trial gave opposite results.

The trial here reported was conducted to compare a conventional 16% protein mash type concentrate to the same ingredients in -in. pellets for milk and butterfat production.