Submitted: 02 May 2019
Revised: 13 Jun 2019
Accepted: 25 Jun 2019
First published online: 30 Aug 2019
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Int J Enteric Pathog. 2019;7(3):75-79.
doi: 10.15171/ijep.2019.17
  Abstract View: 18
  PDF Download: 18

Research Article

The Effect of Prebiotic Administration in the Diet at Unusual Times on Fecal Shedding of Salmonella enteritidis and Meat Characteristics of Broilers

saeed seifi 1 * ORCiD, Razieh Partovi 2, Rahem Khoshbakht 3, Ali Gilani 4

1 Department of Clinical Sciences, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
2 Department of Food Hygiene, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
3 Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
4 Ph.D. in Poultry Nutrition, Ferdowsi University of Mashhad, Mashhad, Iran

Abstract

Background: One of the most important foodborne pathogen which causes enteritis is Salmonella enteritidis (SE). Human cases are mostly associated with the consumption of eggs and poultry meat.

Objective: An experiment has been carried out to evaluate the impacts of a yeast product as liquid prebiotic on bacterial shedding, performance indices, and some breast meat characteristics of broiler chickens challenged with SE.

Materials and Methods: A total of 90 one-day-old male broiler chicks (Ross 308) were randomly assigned to three different groups with three replicates for each treatment. The treatments were as follows: (1) CONT: birds were not challenged, (2) SE: birds were challenged with SE and fed with a control diet without prebiotic, and (3) SE+PREB: birds were challenged with SE and fed with liquid prebiotic. The challenge with SE was performed on birds in groups 2 and 3 at 28 days of age. Performance parameters and Salmonella shedding were determined on days 7 and 14 post infection. Twelve birds per treatment were sampled at the end of the trial for evaluating characteristics of breast meat.

Results: The challenged birds which received prebiotic showed significantly higher body weight gain, lower feed intake, and lower SE shedding than SE group (P<0.05). No significant differences were seen in meat characteristics.

Conclusion: Prebiotics can have beneficial effects even if they are used in the diet at an unusual time. The supplementation of yeast product can improve some performance parameters and reduce bacterial shedding in SE challenged chicken.

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