Assessment of sterility in fluid bags maintained for chronic use

Kristin A. Matthews, Douglas K. Taylor

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Fluid therapy is an integral component of standard supportive care in veterinary medicine and is often given subcutaneously for ease of administration. Multiple animals may be treated by using the same bag. These bags often are used repeatedly until they are empty or until a time specified by an IACUC or similar advisory group. This practice introduces the risk of contamination. Here we assessed the sterility of multiple-use fluid bags in the laboratory setting for a maximum of 60 d. Bags were manipulated to mimic infrequent and frequent use. Bacterial cultures of fluid and bag wall and assays for endotoxin and ATP activity were negative at all time points through 30 d. Two fluid samples yielded bacterial growth at 60 d, although all other tests were negative. These results suggest that fluid bags used chronically can be maintained in a sterile condition for a maximum of 30 d.

Original languageEnglish (US)
Pages (from-to)708-712
Number of pages5
JournalJournal of the American Association for Laboratory Animal Science
Issue number5
StatePublished - Sep 2011
Externally publishedYes

ASJC Scopus subject areas

  • Animal Science and Zoology


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