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Journal of Dairy Science Vol. 29 No. 12 849-859
© 1946 by American Dairy Science Association ®
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Storage and Treatment of Milking Machine Inflations*

J. M. Jensen and A. L. Bortree

Michigan Agricultural Experiment Station

ABSTRACT

  1. Absorption and deterioration of synthetic rubber milker inflations were studied.
    1. Synthetic inflations stored in sanitizing solutions were found to absorb various quantities of such solutions during the storage.
    2. Significantly higher quantities of solutions were absorbed when the inflations were treated by daily working in whole milk for a one minute period followed by solution storage.
    3. Inorganic chlorine solutions caused greatest deterioration to synthetic inflations as exhibited by color change, roughening and dissolving conditions on the surface.
    4. Lowest absorption occurred when lye solution was used for storage.
    5. A slight tacky feel developed on the surface of inflations stored in acid and the cationic surface-active sanitizing agent, "Roccal."

  2. A method for determining absorbed fat is described.
    1. Highest quantities of fat were absorbed in the mouth or upper portion of inflations.
    2. The amount of absorbed fat decreased as the lye-boiling period was extended.

  3. Effective reduction was shown in number of heat-enduring bacteria by boiling inflations in a strong lye solution.

FOOTNOTES

* This study Was made possible through a grant from Swift & Company, Chieago, Illinois, for research in quality milk and cream.

Michigan Agricultural Experiment Station, Journal Article No. 823 U.S.






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Copyright © 1946 by the American Dairy Science Association ®.