The Great Falls Tribune reports new rules in place by the Montana Board of Livestock require only two two-county areas where trichomoniasis was most commonly reported to test for the disease, easing responsibilities for the rest of the state.

Glacier and Pondera counties and Yellowstone and Big Horn counties will be required to test for trich on all bulls sold, loaned or leased within or from the area. Tests are not required for animals headed to slaughter.

State-wide testing for trich originated in Montana five years ago following  a public comment period and meetings. Five years of data show only about one third of 1 percent of the 10,000 to 13,000 bulls tested each year had trich. Montana Department of Livestock staff veterinarian Dr. Tahnee Syzmanski said the extensive testing revealed high risk areas for the disease.

Trichomoniasis is a venereal disease in cattle causing serious reproductive problems in cows.

The new trich rules take effect on Dec. 9.

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Source: Great Falls Tribune