Pigs, like all other livestock species, require adequate amounts of dietary phosphorus to perform optimally. Nutrients, including phosphorus, consumed by animals in excess of what is required for growth and production are subsequently excreted from the body. High manure phosphorus content can be a problem, as it will increase the amount of land required to spread manure, especially as regulations change to focus more on phosphorus. Also, minimizing manure phosphorus will contribute towards efforts to safeguard surface water quality and reduced feed cost. Results of several research projects completed at the University of Manitoba and elsewhere show that dietary manipulations strategies could reduce total phosphorus content in swine manure by 50%. Included in this paper is a checklist of strategies you can implement on your farm to efficiently utilize phosphorus.
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