One of the problems aquatic environment is organic pollution which can disturb balance ecosystem. The study was conducted to analyze based on protozoa saprobity index and some environmental parameters that affect protozoan population in waters Bojonegara Banten Bay. Descriptive method with survey techniques used this study, consisting 3 observation stations determined presence different industr...

a survey was carried out in seven villages around bandarabass, on persion gulf, to determine the prevalence of the intestinal protozoa infections. out of the 835 stool specimens examined, 676 samples were positive with single and multiple infections. the most prevalent of intestinal protozoa in bandarabass were entamoeba histolytica, entamoeba coli, giardia lambia and iodamoeba butschlii.

Understanding the interactions between hydrogen producers and consumers in the rumen ecosystem is important for ruminant production and methane mitigation. The present study explored the relationships between rumen protozoa, methanogens and fermentation characteristics. A total of six donor sheep harbouring (F, faunated) or not (D, defaunated) protozoa in their rumens (D animals were kept witho...

SUMMARY For detem1inating the prevalence of pathogenic protozoa and helminths in the Shahrood city and comparative between efficacy of metronidazole and Quinacrine in 1372-1373.from I 6649 students, 1043 students selected randomly and stool examination was done by direct and concentration with fonnol ether methods. Among the pathogenic protozoa prevalence of Giardia lamblia Emamoeba histolytic...

Intraspecific competition influences population and community dynamics and occurs via two mechanisms. Exploitative competition is an indirect effect that occurs through use of a shared resource and depends on resource availability. Interference competition occurs by obstructing access to a resource and may not depend on resource availability. Our study tested whether the strength of interferenc...