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                    U.S. DEPARTMENT OF AGRICULTURE
 Toxicology & Mycotoxin Research: Athens, GA
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                        Richard B Russell Center
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ARS Home Southeast Area Athens, Georgia U.S. National Poultry Research Center Toxicology & Mycotoxin Research People & Locations







Revathi  Shanmugasundaram
                        Toxicology & Mycotoxin Research

                        




                        
                        Research Biologist
                        Phone: (706) 546-3573
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsStrategies to Reduce Mycotoxin Contamination in Animal Feed and its Effect in Poultry Production Systems
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441776Effect of Mycotoxins and Mitigation Strategies in Poultry
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 443532**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Effect of 125% and 135% arginine on the growth performance, intestinal health, and immune responses of broilers during necrotic enteritis challenge
                                                        

- (Peer Reviewed Journal)Fathima, S., Hakeem, W., Shanmugasundaram, R., Periyannan, V., Varadhan, R., Selvaraj, R. 2024. Effect of 125% and 135% arginine on the growth performance, intestinal health, and immune responses of broilers during necrotic enteritis challenge. Poultry Science.  103:6 103826. https://doi.org/10.1016/j.psj.2024.103826.Effect of arginine supplementation on the growth performance, intestinal health, and immune responses of broilers during necrotic enteritis challenge.
                                                        

- (Peer Reviewed Journal)Fathima, S., Hakeem, W., Shanmugasundaram, R., Selvaraj, R. 2024. Effect of arginine supplementation on the growth performance, intestinal health, and immune responses of broilers during necrotic enteritis challenge.. Poultry Science. 103: 7, 103815. https://doi.org/10.1016/j.psj.2024.103815.MicroRNAs: Exploring their role in farm animal disease and mycotoxin challenges
                                                        

- (Review Article)Kappari, L., Joseph, D.R., Applegate, T., Selvaraj, R., Shanmugasundaram, R. 2024. MicroRNAs: Exploring their role in farm animal disease and mycotoxin challenges. Frontiers in Veterinary Science. 11: 1372961. https://doi.org/10.3389/fvets.2024.1372961.Supplementing low protein diets with methionine or threonine during mixed Eimeria challenge
                                                        

- (Peer Reviewed Journal)Taylor, J., Mercier, Y., Olukosi, O., Kim, W.K., Selvaraj, R., Applegate, T., Shanmugasundaram, R., Ball, E., Kyriazakis, I. 2024. Supplementing low protein diets with methionine or threonine during mixed Eimeria challenge. Poultry Science. 103: (6); 103714. https://doi.org/10.1016/j.psj.2024.103714.Microbiota profile and antibiotic resistance genes in the caecal content of broiler chickens are influenced by dietary protein content and the plant protein source

- (Abstract Only)Effects of soybean meal and wheat bran on immune response and cecal bacterial antimicrobial resistance gene response in broilers

- (Abstract Only)Characterizing the effect of Campylobacter jejuni challenge on growth performance, cecal microbiota, and cecal short-chain fatty acid concentrations in broilers
                                                        

- (Peer Reviewed Journal)Hakeem, W.G., Cason, E.E., Adams, D., Fathima, S., Shanmugasundaram, R., Lourenco, J., Selvaraj, R.K. 2024. Characterizing the effect of Campylobacter jejuni challenge on growth performance, cecal microbiota, and cecal short-chain fatty acid concentrations in broilers. Animals. 2024, 14(3), 473. https://doi.org/10.3390/ani14030473.The effect of Campylobacter jejuni challenge on the ileal microbiota and short-chain fatty acids at 28 and 35 days of age
                                                        

- (Peer Reviewed Journal)Hakeem, W., Cason, E.E., Villanueva, K.A., Shanmugasundaram, R., Lourenco, J., Selvaraj, R. 2024. The effect of Campylobacter jejuni challenge on the ileal microbiota and short-chain fatty acids at 28 and 35 days of age. Italian Journal of Animal Science. VOL. 23, NO. 1, 299–312. https://doi.org/10.1080/1828051X.2024.2310588.Optimizing protein sources in reduced-protein diets to improve the immune responses during coccidiosis in broiler chickens

- (Abstract Only)Effect of arginine supplementation on the production, intestinal health, and immune response of broilers during necrotic enteritis challenge

- (Abstract Only)In vitro Dose-Response Effects of Fumonisin B1 and Deoxynivalenol on the HD-11 Macrophage Cell Line Following Lipopolysaccharide Challenge

- (Abstract Only)Effect of Sub-Clinical Mycotoxin Exposure on Growth Performance and Immune Response in Eimeria-Challenged Pullets

- (Abstract Only)Beyond protein synthesis: The emerging role of arginine in poultry nutrition and host-microbe interactions
                                                        

- (Review Article)Fathima, S., Hakeem, W., Selvaraj, R., Shanmugasundaram, R. 2024. Beyond protein synthesis: The emerging role of arginine in poultry nutrition and host-microbe interactions. Frontiers in Physiology. Volume 14 - 2023. https://doi.org/10.3389/fphys.2023.1326809.Efficacy of recombinant H5 vaccines delivered in ovo or day of age in commercial broilers against the 2015 U.S. H5N2 clade 2.3.4.4c highly pathogenic avian influenza virus
                                                        

- (Peer Reviewed Journal)Kapczynski, D.R., Chrzastek, K., Shanmugasundaram, R., Zsak, A., Segovia, K., Sellers, H., Suarez, D.L. 2023. Efficacy of recombinant H5 vaccines delivered in ovo or day of age in commercial broilers against the 2015 U.S. H5N2 clade 2.3.4.4c highly pathogenic avian influenza virus. Virology Journal. 20(1):298. https://doi.org/10.1186/s12985-023-02254-1.Salmonella infection in poultry: A review on the pathogen and control strategies
                                                        

- (Review Article)Syamily, S., Selvaraj, R., Shanmugasundaram, R. 2023. Salmonella infection in poultry: A review on the pathogen and control strategies. Microorganisms. 11(11), p. 2814. https://doi.org/10.3390/microorganisms11112814.Effect of dietary xylo-oligosaccharide on growth performance, intestinal histomorphology, and specific cecal bacteria in broiler chickens
                                                        

- (Peer Reviewed Journal)Yadav, S., Singh, A.K., Selvaraj, R., Applegate, T., Bhattacharya, P., Shinall, S.B., Fenn, L., Shanmugasundaram, R., Kim, W. 2023. Effect of dietary xylo-oligosaccharide on growth performance, intestinal histomorphology, and specific cecal bacteria in broiler chickens. Poultry Science. 103189. https://doi.org/10.1016/j.psj.2023.103189.Mycotoxin contamination and nutritional content of corn

- (Abstract Only)Effect of synbiotic supplementation on production performance and severity of  necrotic enteritis in broilers during an experimental necrotic enteritis challenge
                                                        

- (Peer Reviewed Journal)Shah, B., Hakeem, W., Shanmugasundaram, R., Selvaraj, R. 2023. Effect of synbiotic supplementation on production performance and severity of  necrotic enteritis in broilers during an experimental necrotic enteritis challenge. Poultry Science. 102959; 1-23. https://doi.org/10.1016/j.psj.2023.102959.Effect of killed salmonella bacterin vaccines on immunological response and hen day egg production in layers.

- (Abstract Only)Effect of synbiotic supplementation on production performance and intestinal inflammatory response in broilers under induced necrotic enteritis challenge

- (Abstract Only)Comparing the effect of synbiotic and antibiotic supplementation on production performance and necrotic enteritis severity in broilers under an experimental necrotic enteritis challenge

- (Abstract Only)Dose-response effects of combined fumonisins, deoxynivalenol, and zearalenone mycotoxins on the 1-alpha hydroxylase m-RNA expression and blood biochemistry

- (Abstract Only)The effects of arginine and branched-chain amino acid supplementation to reduced-protein diet on intestinal health, cecal short-chain fatty acid profiles, and immune response in broiler chickens challenged with Eimeria spp.
                                                        

- (Peer Reviewed Journal)Liu, G., Ajao, A.M., Shanmugasundaram, R., Taylor, J., Ball, E., Applegate, T.J., Selvaraj, R., Kyriazakis, I., Olukosi, O.A., Kim, W.K. 2023. The effects of arginine and branched-chain amino acid supplementation to reduced-protein diet on intestinal health, cecal short-chain fatty acid profiles, and immune response in broiler chickens challenged with Eimeria spp.. Poultry Science. 102 (7): 1-17. https://doi.org/10.1016/j.psj.2023.102773.Dose-response effects of combined doses of fumonisins, deoxynivalenol, and zearalenone mycotoxins on major T-cell subsets and tight junction protein expressions in broiler chickens

- (Abstract Only)Short-term exposure to fumonisins and deoxynivalenol, on broiler growth performance and cecal Salmonella load during experimental Salmonella enteritidis infection
                                                        

- (Peer Reviewed Journal)Liu, J., Shanmugasundaram, R., Doupovec, B., Dian, S., Ganapathi, R., Applegate, T. 2023. Short-term exposure to fumonisins and deoxynivalenol, on broiler growth performance and cecal Salmonella load during experimental Salmonella enteritidis infection. Poultry Science. 102(6):102677. https://doi.org/10.1016/j.psj.2023.102677.Subclinical doses of dietary fumonisins and deoxynivalenol causes cecal microbiota dysbiosis in broiler chickens challenged with clostridium perfringens
                                                        

- (Peer Reviewed Journal)Shanmugasundaram, R., Lourenco, J., Hakeem, W.A., Dycus, M., Applegate, T. 2023. Subclinical doses of dietary fumonisins and deoxynivalenol causes cecal microbiota dysbiosis in broiler chickens challenged with clostridium perfringens. Frontiers in Microbiology. 14:1-14. https://doi.org/10.3389/fmicb.2023.1106604.Yeasts and yeast-based products in poultry nutrition
                                                        

- (Review Article)Fathima, S., Shanmugasundaram, R., Sifri, M., Selvaraj, R. 2023. Yeasts and yeast-based products in poultry nutrition. Journal of Applied Poultry Research. 32(2):100345. https://doi.org/10.1016/j.japr.2023.100345.Effect of combined doses of fumonisin, deoxynivalenol and zearalenone on production performance and amino acid digestibility in broiler chickens

- (Abstract Only)The detection and co-occurrence of mycotoxins in feed corn using HPLC/MS analysis

- (Abstract Only)Effects of synbiotic supplementation as an antibiotic growth promoter replacement on cecal Campylobacter jejuni load in broilers challenged with C. jejuni
                                                        

- (Peer Reviewed Journal)Cason, E.E., Al Hakeem, W., Adams, D., Shanmugasundaram, R., Selvaraj, R. 2022. Effects of synbiotic supplementation as an antibiotic growth promoter replacement on cecal Campylobacter jejuni load in broilers challenged with C. jejuni. Journal of Applied Poultry Research. 32(2):100315. https://doi.org/10.1016/j.japr.2022.100315.Campylobacter jejuni in poultry: pathogenesis and control strategies
                                                        

- (Review Article)Hakeem, A., Fathima, S., Selvaraj, R., Shanmugasundaram, R. 2022. Campylobacter jejuni in poultry: pathogenesis and control strategies. Microorganisms. 10(11):2134. https://doi.org/10.3390/microorganisms10112134.Necrotic enteritis in broiler chickens: A review on the pathogen, pathogenesis, and prevention
                                                        

- (Review Article)Fathima, S., Hakeem, A., Shanmugasundaram, R., Selvaraj, R. 2022. Necrotic enteritis in broiler chickens: A review on the pathogen, pathogenesis, and prevention. Microorganisms. 10(10):1958. https://doi.org/10.3390/microorganisms10101958.Subclinical Doses of Dietary Fumonisins and Deoxynivalenol Alter the Cecal Microbiota of Broiler Chickens

- (Abstract Only)Subclinical doses of combined fumonisins and deoxynivalenol predispose Clostridium perfringens-inoculated broilers to necrotic enteritis

- (Abstract Only)The incredible edible egg: dried egg product improves broiler growth performance and supplements cocci vaccines in Eimeria and necrotic enteritis challenged birds

- (Abstract Only)Immune responses, gut permeability, and cecal Campylobacter jejuni loads in an experimental C. jejuni challenge model in broilers

- (Abstract Only)Effects of synbiotic supplementation as an antibiotic growth promoter replacement on cecal Campylobacter jejuni load in broilers challenged with C. jejuni

- (Abstract Only)Subclinical doses of combined fumonisins and deoxynivalenol predispose Clostridium perfringens-inoculated broilers to necrotic enteritis
                                                        

- (Peer Reviewed Journal)Shanmugasundaram, R., Adams, D., Ramirez, S., Murugesan, R., Applegate, T., Cunningham, S.B., Pokoo-Aikins, A., Glenn, A.E. 2022. Subclinical doses of combined fumonisins and deoxynivalenol predispose Clostridium perfringens-inoculated broilers to necrotic enteritis. Frontiers in Physiology. 13: 1-15. https://dx.doi.org/10.3389/fphys.2022.934660.Gastrointestinal microbiota and their manipulation for improved growth and performance in chickens
                                                        

- (Peer Reviewed Journal)Shahna, F., Shanmugasundaram, R., Adams, D., Selvaraj, R. 2022. Gastrointestinal microbiota and their manipulation for improved growth and performance in chickens. Foods. 11(10):1401. https://doi.org/10.3390/foods11101401.Effects of induced moisture loss in chicken embryos at embryonic day 18 and post-hatch immune response during salmonella enteritidis lipopolysaccharide challenge in broilers
                                                        

- (Peer Reviewed Journal)Gregorich, J., Lilburn, M., Shanmugasundaram, R. 2022. Effects of induced moisture loss in chicken embryos at embryonic day 18 and post-hatch immune response during salmonella enteritidis lipopolysaccharide challenge in broilers. Frontiers in Physiology. 13:1-12. https://doi.org/10.3389/fphys.2022.820349.Effects of Salmonella enterica ser. Enteritidis and Heidelberg on host CD4+CD25+ regulatory T cell suppressive immune responses in chickens
                                                        

- (Peer Reviewed Journal)Shanmugasundaram, R., Acevedo-Villanueva, K., Akerele, G., Mortada, M., Selvaraj, R.K., Applegate, T.J., Kogut, M.H. 2021. Effects of Salmonella enterica ser. Enteritidis and Heidelberg on host CD4+CD25+ regulatory T cell suppressive immune responses in chickens. PLoS ONE. 16(11). Article e0260280. https://doi.org/10.1371/journal.pone.0260280.Salmonella chitosan nanoparticle vaccine administration is protective against Salmonella enteritidis in broiler birds
                                                        

- (Peer Reviewed Journal)Acevedo-Villanueva, K., Shanmugasundaram, R., Rnu, S., Gourapura, R., Akerele, G., Selvaraj, R. 2021. Salmonella chitosan nanoparticle vaccine administration is protective against Salmonella enteritidis in broiler birds. PLoS ONE. 16(11):e0259334.. https://doi.org/10.1371/journal.pone.0259334.A novel approach against Salmonella: A review of polymeric nanoparticle vaccines for broilers and layers
                                                        

- (Review Article)Acevedo-Villanueva, K.A., Akerle, G.O., Al Hakeem, W., Renu, S., Shanmugasundaram, R., Selvaraj, R. 2021. A novel approach against Salmonella: A review of polymeric nanoparticle vaccines for broilers and layers. Vaccines. 9(9):1041. https://doi.org/10.3390/vaccines9091041.Effect of Bacillus subtilis and Bacillus licheniformis probiotic supplementation on performance and Campylobacter jejuni load in broilers challenged with C.jejuni.

- (Abstract Only)Correlation between naturally occurring feed mycotoxins and necrotic enteritis severity in broiler birds.

- (Abstract Only)Characterizing the immune response of chickens to Campylobacter jejuni (Strain A74C)
                                                        

- (Peer Reviewed Journal)Mortada, M., Cosby, D.E., Akerele, G., Ramadan, N., Oxford, J., Shanmugasundaram, R., Ng, T., Selvaraj, R.K. 2021. Characterizing the immune response of chickens to Campylobacter jejuni (Strain A74C). PLoS ONE. 16(3):e0247080. https://doi.org/10.1371/journal.pone.0247080.
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