Dawson et al: The effect of Baquacil on path . . .

New Zealand Journal of Marine and Freshwater Research abstracts

The effect of Baquacil on pathogenic free-living amoebae (PFLA) 2. In simulated natural conditions - in the presence of bacteria and/or organic matter

MARK W. DAWSON

TIM J. BROWN

CRAIG J. BIDDICK

Massey University and Health Department Amoeba
Unit
Department of Microbiology and Genetics
Massey University
Palmerston North, New Zealand

DESMOND G. TILL

National Health Institute Department of Health P.O. Box 50-348 Porirua, New Zealand

Abstract Bacteria and/or bovine faecal matter were introduced into cultures of pathogenic free-living amoebae with Baquacil. They created a biochemical oxygen demand and/or an increased Baquacil demand. Baquacil was shown to be amoebicidal under all but 1 of the conditions tested which simulated those likely to be encountered in swimming pools. Axenically and monoxenically cultured amoebae were used, and the latter exerted the greater Baquacil demand.

Keywords Baquacil; pathogens; amoebae; BOD; bacteria; monoxenic; axenic; amoebicides; simulated natural conditions; Naegleria; Acan-thamoeba; cultures; survival

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