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  • Title: Antibiotic decontamination of the dog and its consequences.
    Author: Walker RI, MacVittie TJ, Sinha BL, Ewald PE, Egan JE, McClung GL.
    Journal: Lab Anim Sci; 1978 Feb; 28(1):55-61. PubMed ID: 305504.
    Abstract:
    An isolation-decontamination regimen was developed which effectively reduced the numbers of resident flora of the dog. Bacterial counts in four dogs before treatment were 3.8 X 10(9) per gram of feces; no organisms were detectable in these same dogs after treatment, however, the intestinal flora had returned to slightly above normal levels 1 week after treatment. Decontamination was accomplished in a laminar air flow system designed to minimize the area that had to be under controlled conditions. By determining the antibiotic sensitivities of 67 isolated organisms representing eight species or groups of bacteria recovered from the four dogs, a standardized antibiotic regimen was developed consisting of bacitracin and neomycin administered as a dry powder in the food. The decontamination treatment apparently did not affect host metabolism because no alterations in serum levels of urea nitrogen, glucose, phosphate, total protein, chloride, sodium, potassium, serum glutamic oxalacetic transaminase, or serum glutamic pyruvic transaminase were found in the antibiotic-treated dogs. The decontamination process did, however, reduce normal granulopoietic stimulation.
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