Diffusion in gel-enzyme linked immunosorbent assay (DIG-ELISA) to record the immunoglobulin response of calves vaccinated with Salmonella

Eugene H. Johnson, Bradford P. Smith, Mario Reina-Guerra

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A diffusion in gel-enzyme linked immunosorbent assay (DIG-ELISA) was used to record immunoglobulin development of colostrum-fed calves vaccinated with aromatic dependent (aro-) Salmonella and challenged with either the homologous or a heterologous serotype. IgG was detected by using a peroxidase conjugated rabbit antibovine IgG, whereas IgM and IgA were measured using a double sandwich technique. Although IgG levels to Salmonella endotoxins increased after exposure to Salmonella, they were found to be high in many calves prior to vaccination. However, IgM antibody levels were consistently low prior to vaccination, and their increase was a more reliable indicator of the vaccination and immune status of the calves. IgA levels were generally low and of less predictive value.

Original languageEnglish
Pages (from-to)71-86
Number of pages16
JournalVeterinary Microbiology
Volume10
Issue number1
DOIs
Publication statusPublished - 1984

Fingerprint

Salmonella
immunoglobulins
Immunoglobulins
Vaccination
Immunoglobulin G
Gels
Enzyme-Linked Immunosorbent Assay
vaccination
gels
enzyme-linked immunosorbent assay
calves
Immunoglobulin A
Immunoglobulin M
Colostrum
sandwiches
endotoxins
colostrum
Peroxidase
aromatic compounds
peroxidase

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Microbiology
  • veterinary(all)

Cite this

Diffusion in gel-enzyme linked immunosorbent assay (DIG-ELISA) to record the immunoglobulin response of calves vaccinated with Salmonella. / Johnson, Eugene H.; Smith, Bradford P.; Reina-Guerra, Mario.

In: Veterinary Microbiology, Vol. 10, No. 1, 1984, p. 71-86.

Research output: Contribution to journalArticle

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