Susceptibility of Fibre to Exogenous Carbohydrases and Impact on Performance in Swine

Published on: 3/11/2020
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Summary

Abstract

Feed represents a very large portion of the cost of raising a pig to market; indeed, the cost of meeting the energy specifications of a diet is the largest single item in the cost of production budget. Within this context, fibre plays a significant role as it represents a substantial but poorly utilized portion of typical commercial diets. It is therefore not surprising that enzymes attract a great deal of attention as a vehicle by which fibre can be used more effectively. Interestingly the mode of action of enzymes within the diet is poorly understood. Indeed, enzymes are providing unexpected health benefits, including but not limited to reduced mortality in the grow-finish phase. In any event, enzymes improve energy and nutrient digestibility – not always translated into faster or more efficient gain – and also impact the microbiome, gut barrier function and possibly oxidative stress. Suggestions are provided for future research topics and applications.

 

Presented at the International Fibre Summit 2019 (https://internationalfibre.com/). Reproduced with permission from the organizers.

 
Author/s
John F. Patience is a professor in the Department of Animal Sciences at Iowa State University, having joined the faculty in 2008. Prior to this, he was President and C.E.O. of the Prairie Swine Centre, a non-profit research and technology transfer company located in Saskatoon, Canada. He received his Ph.D. from Cornell University and B.Sc. (Agr) and M.S. degrees from the University of Guelph in animal science and animal nutrition, respectively. John is responsible for research in applied swine nutrition and as such, undertakes investigations on energy metabolism, ingredient evaluation and gene
 
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