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Feeding Trials Using Diets Containing Fibre Derived from Straw Set for Fall
Dr. Denise Beaulieu - University of Saskatchewan

Farmscape for July 13, 2016

A multidisciplinary team of researchers is preparing to begin trials this fall in which gestating sows will be fed diets containing fibre derived from wheat and oat straw.
Research has shown including fibre in the diets of gestating sows will help reduce hunger while ensuring a balanced diet that avoids the excess weight that can cause problems during farrowing and lactation.
As part of work being conducted on behalf of Swine Innovation Porc scientists are evaluating the potential of including fibre derived from wheat and oat straw in these diets.
Dr. Denise Beaulieu, an Assistant Professor in Monogastric Nutrition with the University of Saskatchewan, says the biggest obstacle so far has been processing the straw.

Clip-Dr. Denise Beaulieu-University of Saskatchewan:
Putting straw through a typical feed mill has proven to be a little bit more challenging than we first thought because it's not designed to process straws.
We have got what think are some prototype straws made, some examples of straws that we think will work.
We've done some in vitro work on campus where this is to put these straws into a bench scale system that simulates the tract of the pig so we can see how it will ferment during digestion and now we're doing some actual feeding experiments with these straws to see if we can determine what the nutrient content is and how they're digested in the pig and then early this fall we'll actually start our feeding experiments with gestating sows.
In those experiments we're doing some experiments using some behavioral tools and looking at some blood samples and things to determine how well the straws are digested and try and estimate whether or not they improve satiety.

Dr. Beaulieu says, by promoting the feeling of fullness, the gestating sows will be more relaxed and less likely to fight over feed.
For Farmscape.Ca, I'm Bruce Cochrane.


       *Farmscape is a presentation of Sask Pork and Manitoba Pork

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