Identification of Dirofilaria immitis-infected dogs with a coagglutination assay.
The presence of Dirofilaria immitis excretory-secretory (ES) products was detected in the urine of infected dogs using a coagglutination assay. Urine samples from 30 naturally infected dogs were positive. Seventeen of them were microfilaremic, whereas 13 had become amicrofilaremic after receiving 2 courses of diethylcarbamazine. Urine samples from 20 dogs infected with other parasites, Dipetalonema reconditum (7), Toxocara canis (5), and Ancylostoma caninum (8), and urine samples from 20 healthy dogs were negative. The assay detected 200 ng/ml or more of ES products. This assay is simple, easy to perform with minimum training, and requires no equipment. Therefore it should be useful to detect canine filariasis under field conditions.
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Departamento de Protozoología, Instituto de Medicina Tropical Pedro Kourí, Ciudad de La Habana, Cuba.
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D000372:Agglutination Tests / Q000662:veterinary*; D000818:Animals; D000947:Antigens, Helminth / Q000652:urine*; D004049:Diethylcarbamazine / Q000627:therapeutic use; D004183:Dirofilaria immitis / Q000276:immunology* / Q000302:isolation & purification; D004184:Dirofilariasis / Q000175:diagnosis / Q000188:drug therapy / Q000469:parasitology / Q000662:veterinary*; D004283:Dog Diseases / Q000175:diagnosis* / Q000188:drug therapy / Q000469:parasitology; D004285:Dogs; D012680:Sensitivity and Specificity
D000947:Antigens, Helminth; D004049:Diethylcarbamazine