title: Studies on faecal streptococci in the river Tigris.
abstract: Six hundred water samples collected from the river Tigris at Mosul City were investigated for faecal streptococci. Human faecal streptococci were predominant, and animal faecal streptococci were also detected. Eight species and varieties were identified, viz Streptococcus faecalis, atypical Streptococcus faecalis, Streptococcus bovis, Streptococcus equinus, Streptococcus faecalis var. liquefaciens, Streptococcus faecalis var. zymogenes, Streptococcus durans and Streptococcus faecium. The incidence of these species and varieties were 43.32%, 13.18%, 11.47%, 11.30%, 9.76%, 5.30%, 3.76% and 1.88%, respectively.
authors.affiliation: Department of Biology, College of Science, University of Mosul, Iraq.
authors.forename: S H
authors.initials: SH
authors.lastname: Khalaf
authors.forename: A M
authors.initials: AM
authors.lastname: Muhammad
mesh_terms: D000818:Animals; D005243:Feces / Q000382:microbiology*; D005618:Fresh Water; D006801:Humans; D007493:Iraq; D013291:Streptococcus / Q000302:isolation & purification*; D014871:Water Microbiology; D014876:Water Pollution