Effect of sodium hypochlorite exposure on infectivity of Cryptosporidium parvum oocysts for neonatal BALB/c mice

Author:

Fayer R1

Affiliation:

1. Parasite Immunobiology Laboratory, U.S. Department of Agriculture, Beltsville, Maryland 20705, USA.

Abstract

Oocysts of Cryptosporidium parvum suspended in 5.25, 2.63, or 1.31% aqueous sodium hypochlorite (Clorox laundry bleach) for 10, 30, 60, or 120 min at 21 degrees C were administered by gastric intubation to neonatal BALB/c mice. Microscopic examination of intestinal tissue sections revealed developmental stages of C. parvum in all of the mice.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference18 articles.

1. Blewett D. A. 1989. Disinfection and oocysts p. 107-115. In K. W. Angus and D. A. Blewett (ed.) Cryptosporidiosis: proceedings of the First International Workshop Edinburgh. Animal Diseases Research Association Edinburgh.

2. Viability of Cryptosporidium parvum oocysts: correlation of in vitro excystation with inclusion or exclusion of fluorogenic vital dyes;Campbell A. T.;Appl. Environ. Microbiol.,1992

3. Effects of preservatives on viability of Cryptosporidium parvum oocysts;Campbell A. T.;Appl. Environ. Microbiol.,1993

4. Effect of disinfectants on survival of cryptosporidium oocysts;Campbell I.;Vet. Rec.,1982

5. Characterization of the new fecal form of Toxoplasma gondii;Dubey J. P.;J. Parasitol.,1970

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