| molecular and immunohistochemical detection of assemblage e, giardia duodenalis in scouring north dakota calves. | despite many reports on the shedding of giardia parasites by scouring calves, the role of giardia as a cause of calf diarrhea is still controversial. to elucidate the role of giardia duodenalis in calf scours, diagnostic samples from 189 scouring calves were tested by different assays during a 1-year-study period. giardia antigens were detected in 22/189 scouring calves by a fecal-based enzyme-linked immunosorbent assay and 10 of these were positive for assemblage e, g. duodenalis by polymerase ... | 2008 | 18774646 |