PMID: 9442242Jan 27, 1998Paper

Assessment of the bacterial flora of the proximal part of the small intestine in healthy cats, and the effect of sample collection method

American Journal of Veterinary Research
K PapasouliotisT J Gruffydd-Jones

Abstract

To investigate the bacterial flora of the proximal part of the small intestine of healthy cats and determine the effect of sample collection method on results of bacteriologic culture. 25 healthy barrier-maintained specific-pathogen-free-derived cats. Aspirated, undiluted samples of proximal small intestinal juice were obtained via oral endoscopy (UEA), and a second sample was collected after instillation of 1 ml of sterile saline solution (diluted, DEA). Undiluted juice also was obtained by direct needle aspiration (NA) from the intestinal lumen. Samples for quantitative and semiqualitative bacteriologic examination were grown aerobically and anaerobically. Mean (range) log10 colony-forming units of total bacteria/ml were 6.2 (2.0 to 8.3) for NA, 6.0 (2.0 to 7.9) for UEA, and 4.9 (2.0 to 7.5) for DEA samples. One cat had no growth (< or = 2.0 colony-forming units/ml) for samples obtained using all 3 methods, and another cat had no growth for the DEA sample only. Mean total aerobic, anaerobic, and bacterial counts were not significantly different between NA and UEA methods, but these techniques yielded significantly higher mean counts than did DEA samples (P < or = 0.002, ANOVA). As a percentage of the total bacteria isolated, ...Continue Reading

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