Live and Inactivated Salmonella Enteritidis Vaccines: Immune Mechanisms in Broiler Breeders

  • Bérto L
  • Beirão B
  • Filho T
  • et al.
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Abstract

Salmonella is a ubiquitous pathogen which, in addition to causing poultry diseases, has a growing zoonotic impact. It has demanded the implementation of diverse control strategies, in which vaccines play a major role. The understanding of the immune pathways elicited by the different vaccines is important, contributing for the establishment of strong immune correlates of protection, for instance. With the purpose of determining the dynamics of the humoral and cellular immune responses to vaccination, broiler breeders (Cobb Slow) were immunized with live or inactivated vaccines against Salmonella Enteritidis. Lymphocyte and macrophage subsets were analyzed in the peripheral blood by flow cytometry and antigen-specific circulating IgY and mucosal IgA were quantified. The markers analyzed by flow cytometry were CD8/CD28, CD4/TCRVβ1, Kul/ MHC II and Bu-1.

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Bérto, L. D., Beirão, B. C. B., Filho, T. F., Ingberman, M., Fávaro Jr., C., Tavella, R., … Caron, L. F. (2015). Live and Inactivated Salmonella Enteritidis Vaccines: Immune Mechanisms in Broiler Breeders. World Journal of Vaccines, 05(04), 155–164. https://doi.org/10.4236/wjv.2015.54018

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