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  • Title: Management of mineral supplementation programs for cow-calf operations.
    Author: Olson KC.
    Journal: Vet Clin North Am Food Anim Pract; 2007 Mar; 23(1):69-90. PubMed ID: 17382842.
    Abstract:
    Wasting diseases, hair loss, depigmented hair, skin disorders, noninfectious abortion, diarrhea, loss of appetite, bone abnormalities, tetany, low fertility, and pica have all been attributed to dietary mineral deficiencies or excesses in beef cattle diets. When discussing the mineral nutrition of beef cattle, it is common to focus on readily observable problems such as these. It is a fact, however, that the probability of a particular beef operation ever encountering one of these classical symptoms of deficiency or excess is vanishingly small. Most economic losses associated with mineral nutrition stem from less obvious circumstances (ie, sub-clinical deficiencies or toxicities). Problems with animal health or performance are frequently the result of interaction between one or more minerals in the diet and not due to deficiency or excess per se. Even more likely to cause economic harm is a mineral supplementation program that is mismanaged or overpriced. This article will attempt to distinguish between facts and perceptions regarding mineral nutrition of beef cattle and to make suggestions on cost effective supplementation practices.
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