StandGuard Pour-on—delivers quick-kill action

Effective, powerful cattle pour-on for
the control of horn flies and lice

StandGuard Pour-on is an ideal horn fly control solution for your rotational program as it contains gamma-cyhalothrin—the latest generation of pyrethroids—which has not previously been used in beef cattle. It's a powerful, low-dose, easy-to-use cattle pour-on.


  • Most potent pyrethroid on the market1
  • Quick-kill action


  • Ready to use—no dilution necessary
  • Available in 30 fl oz (900 mL) bottles with an easy squeeze-and-pour design
  • Also available in 4.5 L size, which is more convenient for larger operations


  • For control of horn flies and lice on beef cattle and calves
  • Season-long control of lice with single application

Dose and application

  • Apply StandGuard Pour-on along backline at the rate of:
    • Cattle less than 600 lbs: 10 mL (1/3 fl oz)
    • Cattle more than 600 lbs: 15 mL (1/2 fl oz)
  • One 900 mL bottle treats:
    • 90 head weighing less than 600 lbs
    • 60 head weighing more than 600 lbs
  • One 4.5 L bottle treats:
    • 450 head weighing less than 600 lbs
    • 300 head weighing more than 600 lbs

Important safety information

The label contains complete use information, including cautions and warnings. Always read, understand and follow the label and use directions.

1. Elanco Animal Health. Data on File

2. Koehler, P., Butler, J. and Kaufman, P. 2005. “Horn Flies.” University of Florida Extension ENY-285.

Elanco, StandGuard and the diagonal bar are trademarks of Eli Lilly and Company, its subsidiaries, or affiliates.