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Steam-Processed Flaked Grains versus Steam-Rolled Grains for Dairy Calves¹

Department of Dairy and Food Sciences
and Department of Animal Sciences, University of Arizona, Tucson 85721

ABSTRACT

In two trials, Holstein calves, 3 days of age, were allotted in groups of 12 to each of 5 calf starters and alfalfa hay, to compare the nutritional value of a new method of "steam processing and flaking" (SPF) of milo and barley to a conventional method of steam rolling. Both trials were similar except calves were weaned abruptly in Trial I at 35 days and in Trial II at 24 days of age. Calves were terminated from experiment at approximately 91 kg body weight. Steam processing and flaking of milo improved (P < .05) feed efficiency over steam-rolled milo by 9% in Trial I and 11% in Trial II. A complete starter (SPF milo, SPF barley + 20% alfalfa pellets) improved feed efficiency over steam-rolled milo by 21 and 26% in Trials I and II, respectively. Performance was similar for calves fed steam-processed flaked barley and steam-rolled barley, although flaking tended to improve feed efficiency. Average daily gains among all treatments were not significantly different (P > .05).

¹ Arizona Agricultural Experiment Station Technical Paper no. 1585.

² Present address: R. Propria 125, Aracaju-Sergipe, Brazil.

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