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Trace Mineral Nutrition of Sheep
1Department of Veterinary and Biomedical Sciences, College of Agricultural Sciences, Pennsylvania State University, 108C Animal, Veterinary and Biomedical Sciences Building, University Park, PA 16802-3500, USA.
Abstract:
Trace mineral nutrition of sheep often focuses on their greater susceptibility to copper toxicosis due to a lesser biliary excretion ability compared with other ruminants. Our understanding of sheep trace mineral requirements has improved for most elements allowing for a factorial approach to determining daily requirement instead of a dietary concentration. Forage trace mineral content is influenced by many factors making issues of trace mineral supplementation geographic-dependent. Oral delivery of trace elements is a preferred supplementation method, and this can be achieved through free choice trace mineralized salt or direct dietary incorporation.
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