Animals > Livestock Feeds > Trade Memoranda T-3-152 - GENTIAN VIOLET FOR USE IN LIVESTOCK FEEDSMay, 1992 The Animal Health and Production Division has reviewed the safety of gentian violet when used in livestock feeds. Based on the information available, it has been decided to revoke the approval of this ingredient. The information reviewed did not satisfactorily substantiate the safety of gentian violet when used at 4 ppm in livestock feeds. Since gentian violet will be removed from our list of acceptable ingredients
for use in livestock feed, registration of all products containing gentian
violet are cancelled. Regulatory action will be undertaken if gentian violet is
found in the marketplace after June 30, 1992. Questions regarding this memorandum may be directed to: Feed Section Phone: 613-225-2342
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