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Animals 2015, 5(3), 610-623; doi:10.3390/ani5030375

Inclusion of Oat in Feeding Can Increase the Potential Probiotic Bifidobacteria in Sow Milk

1
Food Microbiology and Biotechnology Laboratory, 173 Carver Hall, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
2
Department of Animal Sciences, 107h Webb Hall, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Marina von Keyserlingk
Received: 17 February 2015 / Revised: 25 June 2015 / Accepted: 15 July 2015 / Published: 22 July 2015
(This article belongs to the Special Issue Feature Papers)
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Simple Summary

In this study we isolated and characterized potential probiotic bifidobacteria from sow milk. The bifidobacterial population in milk has been attributed to the existence of prebiotic oat in feeding systems. Since breast feeding protects the newborns against several infectious diseases, milk from sows fed with oat could improve the health of piglets.

Abstract

The objectives of this study were to (i) investigate the impact of feeding oat on the population of bifidobacteria and (ii) evaluate their probiotic potential. In this study, we investigated the effects of supplementing sows’ gestation and lactation feed with 15% oat (prebiotic source) on the levels of probiotic population in milk. We found that dietary inclusion of oat during lactation and gestation resulted in increased levels of bifidobacteria compared to lactobacilli in sow milk. Furthermore bifidobacteria within the sow milk samples were further evaluated for probiotic potential based on aggregating properties, and acid- and bile-tolerance after exposure to hydrochloric acid (pH 2.5) and bile salts (0%, 0.25%, 0.50%, 1.0% and 2.0%). All isolates survived under the condition of low pH and bile 2.0%. Autoaggregation ability ranged from 17.5% to 73%. These isolates also showed antimicrobial activity against E. coli O157:H7.Together our results suggest that inclusion of oat in feeding systems could have the potential to improve the intestinal health of piglets by increasing the population of bifidobacteria. View Full-Text
Keywords: oat; sow milk; probiotic; bifidobacteria; isolation; characterization oat; sow milk; probiotic; bifidobacteria; isolation; characterization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gyawali, R.; Minor, R.C.; Donovan, B.; Ibrahim, S.A. Inclusion of Oat in Feeding Can Increase the Potential Probiotic Bifidobacteria in Sow Milk. Animals 2015, 5, 610-623.

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