U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Food and Feed Safety Research: College Station, TX
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    CareersSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Plains Area College Station, Texas Southern Plains Agricultural Research Center Food and Feed Safety Research Research Publications at this Location





- ARS National Programs
- Search for a scientific manuscript
- Search for a research project
- ARS Software
- Programs and Projects
- Collaborations
- Subjects of Investigation
- Publications

Title:   Author  item
                                            Byrd Ii, James

                                                         - *Allen*item
                                            BURNHAM, M - JONES COUNTY JR COLLEGEitem
                                            McReynolds, Jacksonitem
                                            Anderson, Robinitem
                                            Genovese, Kenneth

                                                         - *Ken*item
                                            Callaway, Todditem
                                            KUBENA, L - USDA RETIREDitem
                                            Nisbet, David
  Submitted to: Poultry Science
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 5/7/2008
                                    Publication  Date: 9/2/2008
                                    Citation: Byrd II, J.A., Burnham, M.R., McReynolds, J.L., Anderson, R.C., Genovese, K.J., Callaway, T.R., Kubena, L.F., Nisbet, D.J. 2008. Evaluation of an experimental chlorate product as a pre-harvest feed supplement to reduce Salmonella in meat producing birds. Poultry Science. 87:1883-1888.Interpretive Summary: Escherichia coli and Salmonella are important foodborne pathogens that cause potentially fatal disease in humans.  These bacteria posess an enzyme that converts chlorate to chlorite that will build-up inside causing it to eventually die.  Since this activity kills the bad bacteria, we tested and found that administering a chlorate product in the feed of chickens will significantly reduced gut concentrations of Salmonella.  Chlorate provided in the feed to chickens did not affect how much body weight was gained or how much feed the chickens consumed to produce a pound of body weight.  Chlorate added in chicken feed caused an increase of moisture in the pine tree shavings used as floor covering.  The chlorate has been shown not to harm potentially beneficial bacteria.  These results demonstrate that providing chlorate in the feed to chickens just before slaughter may be a way to reduce Salmonella concentrations which ultimately will help farmers and packing plant operators produce safer poultry products for human consumption.
                                Technical Abstract: A study was conducted to evaluate the effect of experimental chlorate product (ECP) feed supplementation on Salmonella Typhimurium (ST) in the crop and ceca of market-age broilers.  In trial 1, 160 market-age broilers were randomly assigned to 8 treatment groups, and replicated twice, with 20 broilers per pen for 1 wk.  Trial 2 used the same design, but used 80 market-age broilers with 10 broilers per pen.  Dietary treatments were as follows: 1) control feed + double distilled drinking water (dd H2O); 2) control + 18.5% experimental carrier with dd H2O; 3-7) control feed supplemented with 0.5, 1.0, 5.0, 10.0, or 18.5% of a feed grade ECP + dd H2O; 8) control feed + 1x ECP (containing 15mM chlorate ion equivalent) added to dd H2O.  Broilers were provided experimental treatments for 7 days, euthanized, and than ceca and crops were removed and evaluated for ST.  Water consumption, body weight gain, feed conversion, mortality, and litter moisture were measured.  Broilers fed 5-18.5% ECP (36-38%) or water ECP (14%) had a significantly lower (P< 0.05) incidence of ST in the crop when compared to the control (60%).  Interestingly, broilers fed 10% ECP (1.03 log10 ST) or water ECP (0.38 log10 ST) had significantly lower ST crop concentrations when compared to broilers fed a control diet (1.54 log10 ST).  Crop and ceca ST incidence (32-64%) and concentration (1.00-2.37 log10 ST) were significantly lower in broilers fed 5-18.5% ECP or water ECP as compared to the control (78%; 2.84 log10 ST).  Broilers fed 5% or greater ECP had significantly higher water consumption (380-580 mls water/d) and litter moisture (31-56%) when compared to the control (370 mL water/d; 23% moisture).  No significant differences were observed in mortality or feed conversion.  Only broilers fed 18% ECP had significantly lower 7-wk body weight (2.77 kg BW) when compared to the controls (3.09 kg BW).  Average daily gains were significantly depressed in broilers fed 10 or 18.5% ECP compared to the controls.  These results indicate broilers supplemented with feed or water ECP 7 d prior to slaughter effectively reduced ST without affecting growth parameters.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov