... positive during the course of the study, which is tobe expected due to the similar epidemiology of these par-asitic infections and the repeated sampling regimen used in the current study. It may, however, ... oocyst shedding usuallyonly lasts a few weeks [49]. Interestingly, 50.7% of the Giardia positive dogs had the highest level of intensity of infection (3+), whereas only 16.7% of the Cryptosporidiumpositive ... isconsistent with the findings of Lloyd and Smith (1997)[37], that some dogs may shed Cryptosporidium oocysts formore than 80 days. They also found that the oocysts shed-ding was intermittent with...