The nutrient requirements of swine are detailed in this document, adapted from the 1979 National Research Council publication "Nutrient Requirements of Swine." The content includes tables outlining the nutrient requirements for growing swine, breeding swine, trace mineral requirements, and the partial composition of commonly used feeds in swine rations. Table 1 provides the nutrient requirements for growing swine, while Table 2 gives the nutrient requirements for breeding swine, expressed as a percentage or amount per pound of diet. Table 3 lists the trace mineral requirements, and Table 4 outlines the partial composition of feeds commonly used in swine rations. Table 5 details the symptoms of dietary excesses of certain required inorganic elements. It is noted that in some cases, a dietary level of 115 mg/lb has resulted in symptoms of excess, while in other instances, 225 mg/lb of copper has been fed without icterus or death occurring. The document is issued in furtherance of Cooperative Extension Work Acts of May 8 and June 30, 1914, in cooperation with the United States Department of Agriculture. Leonard C. Douglas, Acting Director, Cooperative Extension Service, University of Missouri and Lincoln University, Columbia, Missouri 65211. The institution is an equal opportunity institution.The nutrient requirements of swine are detailed in this document, adapted from the 1979 National Research Council publication "Nutrient Requirements of Swine." The content includes tables outlining the nutrient requirements for growing swine, breeding swine, trace mineral requirements, and the partial composition of commonly used feeds in swine rations. Table 1 provides the nutrient requirements for growing swine, while Table 2 gives the nutrient requirements for breeding swine, expressed as a percentage or amount per pound of diet. Table 3 lists the trace mineral requirements, and Table 4 outlines the partial composition of feeds commonly used in swine rations. Table 5 details the symptoms of dietary excesses of certain required inorganic elements. It is noted that in some cases, a dietary level of 115 mg/lb has resulted in symptoms of excess, while in other instances, 225 mg/lb of copper has been fed without icterus or death occurring. The document is issued in furtherance of Cooperative Extension Work Acts of May 8 and June 30, 1914, in cooperation with the United States Department of Agriculture. Leonard C. Douglas, Acting Director, Cooperative Extension Service, University of Missouri and Lincoln University, Columbia, Missouri 65211. The institution is an equal opportunity institution.