Addition of Yacon (Smallanthus sonchifolius) in diet of broilers for protection against intestinal colonization after experimentally infection with Salmonella Enteritidis

• Grant number: 12/25462-4
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: April 01, 2013
• End date: December 31, 2013
• Field of knowledge: Agronomical Sciences - Veterinary Medicine - Animal Pathology
• Principal Investigator: Terezinha Knöbl
• Grantee: Maria Gabriela Xavier de Oliveira
• Host Institution: Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The inulin-type fructans are oligosaccharides that favor the proliferation of certain bacterial genera in the intestine, promoting a probiotic effect. The use of these compounds as feed additives in poultry and pigs has been evaluated in several studies and associated with decreased triglyceride, cholesterol, and abdominal fat. Supplementation of laying hens increases intestinal absorption of calcium and phosphorus, resulting in greater posture and improving the quality of shell eggs. However, the main advantage of using these fermentable ingredients appears to be correlated with selective effects on enteric microflora, preventing intestinal colonization by pathogenic bacteria. The aim of this study will be to evaluate the effect of fructan extracted from yacon roots (Smallanthus sonchifolius) on intestinal colonization of broilers with Salmonella Enteritidis.(AU)