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Observations of the effects of formaldehyde on cockroaches and their flora: III. The effect of formaldehyde in eliminating the normal gut flora

Published online by Cambridge University Press:  15 May 2009

C. A. Bartzokas ,
K. McCarthy ,
B. F. Baker  and
R. Graham
C. A. Bartzokas
Affiliation:
Department of Medical Microbiology, University of Liverpool, P. O. Box 147, Liverpool, L69 3BX
K. McCarthy
Affiliation:
Department of Medical Microbiology, University of Liverpool, P. O. Box 147, Liverpool, L69 3BX
B. F. Baker
Affiliation:
Department of Medical Microbiology, University of Liverpool, P. O. Box 147, Liverpool, L69 3BX
R. Graham
Affiliation:
Department of Medical Microbiology, University of Liverpool, P. O. Box 147, Liverpool, L69 3BX
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Summary

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The normal flora of cockroaches (Periplaneta americana) was determined over a period of 24 days prior to substituting water with 1% Formalin for drinking water. During the first 4 days of treatment the normal flora was significantly reduced and by the fifth day, when the cockroaches became diarrhoeic, no bacteria, fungi, or viruses could be detected by the methods used.

Type
Research Article
Information
Journal of Hygiene , Volume 80 , Issue 1 , February 1978 , pp. 137 - 141
Copyright
Copyright © Cambridge University Press 1978

References

REFERENCES

Bartzokas, C. A., McCarthy, K., Shackleton, W. & Baker, B. F. (1978). Observations of the effects of formaldehyde on cockroaches and their flora, I. Survival of vaccinia virus-infected cockroaches during fumigation with formaldehyde. Journal of Hygiene 80, 125–9.CrossRefGoogle Scholar
McCarthy, K., Bartzokas, C. A. & Baker, B. F. (1978). Observations of the effects of formaldehyde on cockroaches and their flora, II. Prolonged survival of cockroaches drinking formaldehyde or glutaraldehyde solutions. Journal of Hygiene 80, 131–5.CrossRefGoogle ScholarPubMed
Nash, T. (1953). The colorimetric estimation of formaldehyde by means of the Hantzsch reaction. Journal of Biochemistry 55, 416.CrossRefGoogle ScholarPubMed