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An Emulsified Soybean Oil for Bloat Therapy¹

Department of Animal Husbandry, Iowa State University, Ames

ABSTRACT

Frothing of ruminal contents now is accepted quite generally as the immediate cause of pasture bloat (2). This view is supported by the effectiveness of anti-foaming agents in preventing and treating bloat. Reid and Johns (6) effectively treated bloat in cattle on red clover pasture with vegetable oils (peanut, raw linseed, soybean, and olive), vegetable turpentine, emulsified tallow, whale oil, cream, lanolin, liquid paraffins, and paraffin-wax emulsions. Silicones and some detergents were found to be unreliable, although a recent report (5) indicates that certain detergents are effective in prevention and treatment. In previous work at this station (1, 3, 4), a water-dispersible lard oil² was found to be effective in treating serious cases of bloat. Moreover, relief was more prompt than with unemulsifled oils. Since lard oil is not available for general use in bloat therapy, the development of other effective products seemed desirable. Also, the possible use of comparatively lower cost ingredients appeared promising.

¹ Journal Paper No. J-3886 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa. Project No. 1267.

³ Present address: Dawe's Laboratories, Inc., Chicago, Illinois.