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Farmer or Rancher

If you are a farmer or a rancher, you may have seen and had to manage invasive weed species such as common crupina, Dalmatian toadflax, hawkweeds, Himalayan blackberry, knapweeds, kochia, leafy spurge, purple loosestrife, Scotch broom, Scotch thistle, tansy ragwort, or yellow starthistle. Other species that may be problematic now or in the future include feral swine, Mediterranean white snail, and nutria.

What can you do to prevent the introduction and spread of invasive species?

Clean vehicles, equipment, personal gear, and animals. To prevent invasive species from hitching a ride on vehicles and equipment, animals or their feed, or you yourself, as you move through fields or pastures, you can take the following actions:

  • Limit travel (of you and your animals) through infestations, particularly when seeds are viable.
  • Brush off or wash dogs that have been out running around potentially infested areas.
  • Pen livestock for 48 hours after using an infested pasture before moving them.
  • Clean seeds and caked-on soil off your boots and clothing, particularly after walking through infested areas.
  • Regularly inspect and remove caked-on soil and seeds from vehicle tires and undercarriages of any vehicles or equipment that moved between potentially infested and uninfested areas.

For more information on cleaning, see the following Web sites:

Use certified weed-free seed and feed. To prevent spreading invasive species in feed and seed, you can:

  • Do not use weed-contaminated hay or seeds on uninfested locations.
  • Use certified weed-free feed. In particular, feed weed-free forage for several days before transporting stock to new locations.

For more information:

Report and help eradicate invasive species, and promote native and desired species. Here’s what you can do to get rid of invasive species and to encourage native species:

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