ME

Digestible and metabolizable energy by pigs in soybean meal sourced from different countries.

Lopez, D. A., L. V. Lagos, and H. H. Stein. 2019. Digestible and metabolizable energy by pigs in soybean meal sourced from different countries. Book of Abstracts. In: 1st International Feed Technology Congress, Cologne, Germany. p. 26. (Abstr.). Link to Abstract.

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High fiber ingredients may negatively affect DE and ME concentration

Navarro, D. M. D. L., and H. H. Stein. 2018. High fiber ingredients may negatively affect DE and ME concentration. National Hog Farmer, On line edition, May 31, 2018. Link to full text.

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Excessive heat treatment of distillers dried grains with solubles reduces not only amino acid digestibility but also concentrations of metabolizable energy when fed to growing pigs

Distillers dried grains with solubles (DDGS) is a co-product of ethanol production that is often used in diets fed to pigs because of a relatively high concentration of amino acids (AA), energy, and digestible phosphorus. However, during the cooking and drying steps, the high temperature and concentration of moisture makes DDGS susceptible to the Maillard reactions, resulting in formation of sugar-amino acid complexes. Maillard reaction products result in reduced standardized ileal digestibility (SID) of amino acids (AA), with Lys being the most sensitive AA. However, there is limited information about how heating affects the concentration of digestible energy (DE) and metabolizable energy (ME). Therefore, the objective of these experiments were to test the hypothesis that both the degree of heating and the time that heat is applied will affect the concentration of DE and ME and the SID of AA in DDGS fed to growing pigs.

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