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Nutritional Implications in Economy of Gain of Feedlot Cattle¹

Ohio Agricultural Research and Development Center², Wooster 44691

Abstract

It appears that feeding finishing cattle their requirements for all nutrients is a sound practice, not only nutritionally but also from the standpoint of economic return. With present price relationships, maximum use of urea should contribute to economy in feeding cattle. A major economic variable which exists in the feeding of cattle is the concept of roughage: concentrate ratios. This decision probably rests primarily on whether the cattle feeder is basically farming or feeding. If he is farming, then maximum use of the entire plant from high yielding crops will maximize his profits per acre. He should realize, however, that feedlot returns may be somewhat less than if high levels of concentrate are fed in his ration. For the producer who is feeding and therefore buying most or all of his feedstuffs, the decision rests basically on the comparative cost of nutrients (energy, protein, and phosphorus) from various feedstuffs, including costs of transportation, handling and preparation, with some consideration of the time required to finish cattle if the roughage level exceeds 45 to 50% of the total ration.

¹ Invitational paper presented at the symposium, "Factors Affecting Economy of Gain in Feedlot Cattle," 62nd Annual Meeting of the American Society of Animal Science, August 3, 1970, Pennsylvania State University.

² Animal Science Dent. Approved for publication as Journal Article No. 39-71 by the Associate Director for the Ohio Agricultural Research and Development Center, Wooster, 44691.