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The Simultaneous Administration of a Probiotic or Prebiotic with Live Salmonella Vaccine Improves Growth Performance and Reduces Fecal Shedding of the Bacterium in Salmonella-Challenged Broilers

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Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Alexandria 22758, Egypt
2
Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
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Department of Animal Production, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
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Biology Department, College of Science, Princess Nourah Bint Abdulrahman University, BO. Box 24428, Riyadh 11671, Saudi Arabia
5
Department of Zoology, Faculty of Science, Beni-Suef University, Beni-Suef 65211, Egypt
*
Authors to whom correspondence should be addressed.
Animals 2020, 10(1), 70; https://doi.org/10.3390/ani10010070
Received: 4 December 2019 / Revised: 21 December 2019 / Accepted: 24 December 2019 / Published: 30 December 2019
(This article belongs to the Section Poultry)
The current study was performed to study the efficacy of live Salmonella Enteritidis (SE) vaccine alone and with simultaneous administration of probiotic or prebiotic on broiler chickens. The using of probiotic or prebiotic products administered via drinking water enhanced the growth performance of broiler chickens experimentally challenged with SE at the 28th day of age. The use of probiotic or prebiotic simultaneously with the live Salmonella vaccine can diminish the negative effect of live vaccines in terms of the growth performance, mortality rate, fecal shedding and organ re-isolation of SE. It is therefore a good strategy to relieve the negative effect of the harmful bacterium and improve the growth performance of broilers.
Salmonellosis is one of the most important bacterial diseases in poultry, causing heavy economic losses, increased mortality and reduced production. The aim of this study was the comparative efficacy of a commercial probiotic and/or prebiotic with a live attenuated Salmonella Enteritidis (SE) vaccine on the protection of broiler chickens from SE challenge. The efficacy of probiotic or prebiotic products, as well as a live Salmonella Enteritidis (SE) vaccine at the 7th day of age, administered via drinking water, were evaluated for clinical protection and effects on growth performance of broiler chickens experimentally challenged with SE at the 28th day of age. The use of probiotic or prebiotic simultaneously with the live Salmonella vaccine can diminish the negative effect of live vaccine growth performance, reducing mortality rate, fecal shedding, and re-isolation of SE from liver, spleen, heart and cecum. The use of probiotic or prebiotic simultaneously with the application of the live Salmonella vaccine is a good practice to diminish the negative effect of the harmful bacteria and improve the growth performance of broilers. Thus, further studies may be carried out with layers and breeders. View Full-Text
Keywords: Salmonellosis; Enteritidis; probiotic; prebiotic; broilers Salmonellosis; Enteritidis; probiotic; prebiotic; broilers
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El-Shall, N.A.; Awad, A.M.; El-Hack, M.E.A.; Naiel, M.A.E.; Othman, S.I.; Allam, A.A.; Sedeik, M.E. The Simultaneous Administration of a Probiotic or Prebiotic with Live Salmonella Vaccine Improves Growth Performance and Reduces Fecal Shedding of the Bacterium in Salmonella-Challenged Broilers. Animals 2020, 10, 70.

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