IFAT detection of IgG specific to toxoplasma in thoracic fluids from aborted lambs: evaluation on routine diagnostic submissions

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Abstract
Thoracic fluids from 171 aborted lambs from 55 flocks were examined by the indirect fluorescent antibody test for the presence of IgG specific to Toxoplasma gondii. The technique was shown to be both sensitive and specific for the diagnosis of toxoplasma abortion at a titre of 1/256, when compared with diagnoses made in the flocks and in the small number of individual fetuses in which the pathology of the cotyledons and the serology of the ewe were known.