Abstract
A comparison was made between oocyst shedding and the presence of specific serum IgG antibodies to Cryptosporidium parvum in 108 bovines and 90 pigs. Oocysts were detected by a commercial immunofluorescence assay in feces from 26.8% of bovines and 34.4% of pigs, whereas positive titers as determined by an indirect fluorescent antibody method were found in sera from 12.9% and 48.9% of the respective animals. Infection was significantly most frequent in suckling calves (82.7%) and weaned piglets (87.5%). By contrast, the numbers of seropositives were highest in weaned calves (17.1%) and fattening pigs (76.6%). The results of coprological and serological analysis corresponded in 65.7% of bovines and 56.7% of pigs. When used to diagnose the shedding of cryptosporidial oocysts, the detection of specific IgG antibodies had a sensitivity ranging from 10.3% (cattle) to 58.1% (pigs) and a specificity of 86.1% (cattle) and 55.9% (pigs).
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Received: 07 December 1995 / Accepted: 16 January 1996
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Quílez, J., Ares-Mazás, E., Sánchez-Acedo, C. et al. Comparison of oocyst shedding and the serum immune response to Cryptosporidium parvum in cattle and pigs. Parasitol Res 82, 529–534 (1996). https://doi.org/10.1007/s004360050157
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DOI: https://doi.org/10.1007/s004360050157