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Absorption of DL-Met from gastrointestinal tract of weaned pigs is higher than for MHA-FA

Published on: 11/20/2019
Author/s : Dr. Ing. John Htoo, Director Technical Consultancy - Swine, Evonik Animal Nutrition

Conclusions The results of this study support the hypothesis that intestinal microbiota compete with the host for metabolism of readily available nutrients such as supplemented amino acids. Apparent residual (unabsorbed) MHA-FA in the small intestine was significantly greater than that of DL-Met in conventional pigs. Furthermore, a higher radioactivity of methionine in the upper small intestin...

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November 20, 2019
I really love your post on gut health, I am an animal science master's student and I would love to do my research at your lab
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December 13, 2019
Dr John, excellent article. From the methodology employed in this study, it was clearly evidenced an interaction between animal microbiota and the methionine source used, influencing its bioavailability. Therefore, it can be deduced that the bioavailability of methionine from the same source may vary due to the use or not of antibiotic in the feed. Even this effect may partly explain the variations in results between different works. Is this deduction correct or not?
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Jon Bergstrom
Jon Bergstrom
Swine Nutrition & Production, Ph.D.
  Plano, Texas, United States
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