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International Journal of Poultry Science

.: Home > International Journal of Poultry Science > 2007 > Volume 6 Number 7 > A.D. Wolfenden1, C.M. Pixley1, J.P. Higgins1, S.E. Higgins1, J.L. Vicente1,2, A. Torres-Rodriguez3, B.M. Hargis1 and G. Tellez1

Evaluation of Spray Application of a Lactobacillus-Based Probiotic on Salmonella enteritidis Colonization in Broiler Chickens

A.D. Wolfenden1, C.M. Pixley1, J.P. Higgins1, S.E. Higgins1, J.L. Vicente1,2, A. Torres-Rodriguez3, B.M. Hargis1 and G. Tellez1
1Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA 2Sigrah Zellet de Mexico S.A. de C.V., Mariano Escobedo No. 10, Col. Tezontepec, Cuernavaca Morelos, Mexico 62250, USA 3Cobb-Vantress, Siloam Springs, AR 72761, USA
Abstract :

Spray application offers low-cost and efficient application of biologic and reduced concerns regarding diverse water quality and medicator/proportioner function. The objective of the present study was to evaluate the spray application of a Lactobacillus-based probiotic on Salmonella enteritidis (SE) colonization in broiler chickens. Day-of-hatch chicks were challenged with Salmonella enteritidis (SE) by oral gavage alone, challenged with SE and treated by coarse spray application of a commercially-available Lacticacid bacterial probiotic (FM-ProbioticTM), or challenged with SE and treated with B11 continuously in the Drinking Water (DW). Five days post-challenge, cecal tonsils were collected for presence or absence of SE. In Exp. 1, probiotic treatment by either spray or DW application significantly (p<0.05) reduced SE recovery (55% and 50% respectively; controls 85%) when chicks were held for 8h prior to challenge and placement. Similarly, when probiotic spray treatment or water treatment and challenge occurred simultaneously, with placement 8h after treatment, a marked and significant reduction of SE recovery was noted after 5d (10% and 40% respectively, controls 55%). In Exp. 2, when probiotic spray treatment and challenge occurred simultaneously, with placement 8h after treatment, a significant reduction of SE recovery was again noted in both the spray and DW application (80% controls, 15% spray, 15% DW). Taken together, these results suggest that spray application of this probiotic, when performed in the manner described above, can be effective for protection of chicks against Salmonella infection.

Keywords :
Probiotic, Salmonella enteritidis, broiler chicks, spray application

Date Deposited : 15 Jul 2011 10:18

Last Modified : 15 Jul 2011 10:18

Official URL: http://www.pjbs.org/ijps/ijps.htm

Volume 6, Number 7, - 2007 , ISSN 1682-8356

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