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Swine: Managing Sows

Managing sows starts with improving their feed intake, particularly in lactation. Manipulating the feed composition to stimulate endogenous butyrate production, to improve quantity and quality of colostrum and milk will help to support prolificity and piglet performance.

Presentations
44'

Sow feed intake: a global pig production challenge

  • Prof Bruno SILVA (Univ Fed Minas Gerais, Brazil)

Maximizing sow productivity, nutritional aspects and characteristics of lactating sows

  • Dr Uffe KROGH (Swine Research Centre, INRA Rennes, France)
Questions & Answers
3'

Q&A-Prof Bruno SILVA

  • Prof Bruno SILVA (Univ Fed Minas Gerais, Brazil)
2'

Q&A-Dr Helle Nygaard LAERKE

  • Dr Helle Nygaard LAERKE (Aarhus Univ, Denmark)
3'

Q&A-Dr Uffe KROGH

  • Dr Uffe KROGH (Swine Research Centre, INRA Rennes, France)
Forum
Your questions / Our answers

Dr Helle Nygaard LAERKE (Aarhus Univ, Denmark)

In the Lee article which type of sodium butyrate was used ( protected or not)

"The paper just states that sodium butryate was provided by Sigma-Aldrich (St. Louis, MO), so apparently not protected"

 

Infusion of butyrate shows that protection to deliver at the intestinal level might be the best approach, your comment?

Yes indeed

 

Would the butyrate effect be affected by the type of diet: rich or not in fermentable substrates ?

Yes, butyrate production is affected by type of fibre, but there is not direct association between content of soluble fibre and butyrate production.

 

What is a benefit/advantage of butyrate vs. other acids or mixture of acids?

Regarding gut health, butyrate is currently considered superior to the other acids produced by fermentation (acetate and propionate) being an energy source for colonocytes, its acting as a histone deacetylase inhibitor and binding to several specific G protein–coupled receptors, and possible important role in modulating immune and inflammatory responses and intestinal barrier function.

 

Have you ever compared animal performance on diets with SCFA vs. MCFA?

No, we have not, and mechanisms are presumably different.