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Appl Environ Microbiol. 1970 July; 20(1): 129-132
Copyright © 1970 American Society for Microbiology. All Rights Reserved.

Optimum Skin Blending Method for Quantifying Poultry Carcass Bacteria 1

John S. Avens2 and Byron F. Miller

Department of Avian Science, Colorado State University, Fort Collins, Colorado 80521

ABSTRACT

Optimum blending fluids and blending times for use in quantifying bacteria on poultry carcass skin by the skin "blending" method were determined. Butterfield's buffered-phosphate diluent, physiological saline solution (0.85% NaCl), peptone water (0.1% peptone), and deionized water, each at four different skin blending times of 1, 2, 3, and 4 min, were compared. The comparison was based on relative numbers of bacteria per cm2 of skin, enumerated by each combination on turkey carcasses. Peptone water and physiological saline solution each yielded significantly (P < 0.01) higher bacteria counts from turkey carcass skin samples than did Butterfield's buffered-phosphate diluent or deionized water. There were no significant differences among the four skin blending times and no significant interaction effect between the two factors tested.

FOOTNOTES

2 This paper is published by the senior author in partial fulfillment of the requirement for the M.S. degree, Department of Avian Science, Colorado State University, Fort Collins, Colo.

1 Published with the approval of the Director of the Colorado Agricultural Experiment Station as Scientific Series paper number 1522.

Appl Environ Microbiol. 1970 July; 20(1): 129-132
Copyright © 1970 American Society for Microbiology. All Rights Reserved.





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