Salmonella enterica serovar typhimurium colonization of the crop in the domestic turkey: influence of probiotic and prebiotic treatment (Lactobacillus acidophilus and lactose)

Avian Diseases
Sara A JohannsenC G Scanes

Abstract

Acute colonization of the crop of the domestic turkey by Salmonella enterica serovar typhimurium (ST) was examined. The influences of preharvest probiotic and prebiotic treatment with lactobaccilli and lactose on crop colonization with ST were also investigated. Prior to Salmonella challenge, poults received 2.5% lactose and Lactobacillus acidophilus (1.9 x 10(9) organisms/liter) in the only source of drinking water from 1 day old to termination. At 3-wk-old, turkey poults were challenged with ST (1.7 X 10(8) colony-forming units [CFU]/ml) before their natural nocturnal fast to determine the potential effects of supplementation on crop colonization when the crop was engorged and subsequently undergoing emptying. Crop ingesta and tissue were collected at time points 30 min and 4, 8, and 24 hr postchallenge and ST levels were determined. High levels of ST were detected in the crop. For instance, for the poults not receiving lactose or lactobacilli, 30 min after ST challenge, there were 4.4 x 10(7) CFU in the crop ingesta and 5.3 x 10(5) CFU in the crop wall. Ingesta ST levels dropped dramatically to 1.0 x 10(6) CFU after 4 hr as the crop emptied. Crop wall ST levels were steady during the nocturnal crop evacuation. Immunohistoche...Continue Reading

References

Mar 1, 1987·The Journal of Nutrition·C G ScanesP Griminger
Jan 1, 1994·Equine Veterinary Journal·S SpiersG B Edwards
Oct 8, 1999·Emerging Infectious Diseases·P S MeadR V Tauxe
Aug 10, 2000·Revue Scientifique Et Technique·P A Barrow
Apr 27, 2002·Applied and Environmental Microbiology·H S HurdM H Rostagno

Citations

Jul 6, 2010·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Duane A RobinsonMichael G Conzemius

Related Concepts

Antibody Formation
Avian Crop
Immunocytochemistry
Lactobacillus amylovorus
Anhydrous lactose
Poultry Diseases
Salmonella Infections, Animal
Salmonella typhimurium LT2
Meleagridinae
Streak Plate Count

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