
doi: 10.1007/bf00937087
pmid: 1409529
A specific recombinant antigen was evaluated for its immunodiagnostic potential in an enzyme-linked immunosorbent assay (ELISA). The antigen was used as a glutathione S-transferase (GST) fusion protein (DvGST3-14) or as a pure recombinant parasite protein (Dv3-14). A total of 55 sera from cattle experimentally infected with Dictyocaulus viviparus, 24 sera from naturally infected cattle and 25 sera from helminth-free cattle were examined. ELISA results obtained for the sera from experimental infections showed a calculated specificity of greater than 99% for both antigen preparations and a sensitivity of 93% (DvGST3-14) and 91% (Dv3-14). For field sera from natural infections, the specificity was calculated to be 90% (DvGST3-14) and greater than 99% (Dv3-14) and the sensitivity, 85% (DvGST3-14) and 70% (Dv3-14).
Antibodies, Helminth, Cattle Diseases, Enzyme-Linked Immunosorbent Assay, Sensitivity and Specificity, Recombinant Proteins, Dictyocaulus, Predictive Value of Tests, Antigens, Helminth, Dictyocaulus Infections, Animals, Regression Analysis, Cattle
Antibodies, Helminth, Cattle Diseases, Enzyme-Linked Immunosorbent Assay, Sensitivity and Specificity, Recombinant Proteins, Dictyocaulus, Predictive Value of Tests, Antigens, Helminth, Dictyocaulus Infections, Animals, Regression Analysis, Cattle
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