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Influence of the Transport on the Outcome of the Bacteriological Analysis of Dog Urine Comparison of Three Transport Tubes

Influence of the Transport on the Outcome of the Bacteriological Analysis of Dog Urine Comparison of Three Transport Tubes

J Perrin, J Nicolet

Zentralbl Veterinarmed B. 1992 Nov;39(9):662-7.

PMID: 1492522

Abstract:

A sterile plastic tube, a boric acid-glycerol-sodium formate tube and a dip-slide tube were compared for transport of dog urine for bacteriological examination under practice conditions, at ambient temperature. In a first part, 50 dog urine samples were cultured on agar plates and on a dip-slide kit within 2 h after collection and after storage at 20 degrees C in a sterile tube and in a boric acid tube for 24 h and 48 h. Culture of the samples stored in the boric acid tube and culture on the dip-slide yielded results which correlated very well with those of the culture of fresh urine. However, culture of the samples stored in the sterile tube yielded up to 65% false positive results. In a second part, a comparison was drawn with culture results of 100 dog urine specimens collected by different practitioners and simultaneously mailed to our laboratory in a sterile tube, in a boric acid tube and in a dip-slide kit. Samples sent in the boric acid and in the dip-slide tube showed comparable culture results. Culture of the samples sent in the plastic tube yielded 53% false positive results in comparison with those of the samples preserved in boric acid.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9000708-C	Dip tube		9000-70-8	Price

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