Utah Administrative Code

The Utah Administrative Code is the body of all effective administrative rules as compiled and organized by the Division of Administrative Rules (see Subsection 63G-3-102(5); see also Sections 63G-3-701 and 702).

NOTE: For a list of rules that have been made effective since January 1, 2020, please see the codification segue page.

NOTE TO RULEFILING AGENCIES: Use the RTF version for submitting rule changes.

R58. Agriculture and Food, Animal Industry.

Rule R58-21. Trichomoniasis.

As in effect on January 1, 2020

Table of Contents

R58-21-1. Authority.

(1) Promulgated under authority of Section 4-31-109.

(2) It is the intent of this rule to eliminate or reduce the spread of bovine trichomoniasis in Utah.

R58-21-2. Definitions.

(1) "Acceptable media" means any Department approved media in which samples may be transferred and transported.

(2) "Approved slaughter facility" means a slaughter establishment that is either under state or federal inspection.

(3) "Approved test" means a test approved by the state of origination to diagnose trichomoniasis in bulls. If the state of orgination has no approved test for the diagnosis of trichomoniasis it shall mean one sample tested by a method approved by the Department.

(4) "Brand" means a minimum of a 2 X 3 hot iron single character lazy V applied to the left of the tailhead of a bull, signifying that the bull is infected with the venereal disease, trichomoniasis.

(5) "Certified veterinarian" means a veterinarian who has been certified by the Utah Department of Agriculture and Food to collect samples for trichomoniasis testing.

(6) "Commuter bulls" means bulls traveling across state lines for grazing purposes while utilizing a Commuter Permit Agreement approved by both the respective State Veterinarians or bulls traveling on a Certificate of Veterinary Inspection where there is no change of ownership.

(7) "Confinement" means bulls held in such manner that escape is improbable. Typical barbed wire or net pasture fencing does not constitute confinement.

(8) "Department" means the Utah Department of Agriculture and Food.

(9) "Exposed to female cattle" means bulls with freedom from restraint such that breeding is a possible activity.

(10) "Feeder Bulls" means bulls not exposed to female cattle and kept in confinement for the purpose of feeding and only go to slaughter.

(11) "Negative bull" means a bull that has been tested with official test procedures and found free from infection by Tritrichomonas foetus.

(12) "Official tag" means a tag authorized by the Department that is placed in the right ear of a bull by a certified veterinarian after being tested for trichomoniasis. The color of the official tag shall be changed yearly.

(13) "Official test" means a test currently approved by the Department for detection of Tritrichomonas foetus.

(14) "Positive bull" means a bull that has been tested with official test procedures and found to be infected by Tritrichomonas foetus.

(15) "Positive herd" means any herd or group of cattle owned by one or more persons which shares common grazing or feeding operations and in which one or more animals has been diagnosed with trichomoniasis within the last 12 months.

(16) "Qualified feedlot" means a feedlot approved by the Utah Department of Agriculture and Food to handle heifers, cows, or bulls. These animals shall be confined to a dry lot area which is used to upgrade or finish feeding animals going only to slaughter.

(17) "Test chart" means a document which certifies that a bull has been subjected to an official test for trichomoniasis and indicates the results of the test.

(18) "Trichomoniasis" means a venereal disease of bovidea caused by the organism Tritrichomonas foetus.

R58-21-3. Trichomoniasis - Sampling and Testing Procedures.

(1) Sample collection - Samples are obtained from a vigorous scraping of the bull's prepuce using a sterile syringe and new pipette on each bull.

(2) Sample handling - Samples shall be transferred and transported in approved media. Media should be maintained at 65 to 90 degrees Fahrenheit (18 to 32 degrees Celsius) during sampling and transport to clinic. Samples shall be set up for incubation within 24 hours of sampling. Samples shall also be protected from direct sunlight.

(3) Polymerase Chain Reaction (PCR) testing - The inoculated media shall be incubated at 98 degrees Fahrenheit (37 degrees Celsius) for 24 hours and then frozen. Samples may remain frozen for up to 3 weeks. The frozen sample(s) shall be sent overnight on postal approved frozen packs to the Utah Veterinary Diagnostic Laboratory (950 East 1400 North, Logan, Utah 84341) or an other approved laboratory for PCR testing.

R58-21-4. Trichomoniasis - Rules - Prevention and Control.

(1) All bulls twelve months of age and older, entering Utah, must be tested with an approved test for trichomoniasis by an accredited veterinarian prior to entry into Utah. Bulls that have had contact with female cattle subsequent to testing must be retested prior to entry.

(2) The following bulls are exempted from (1) above:

(a) Bulls going directly to slaughter or to a qualified feedlot,

(b) Bulls kept in confinement operations,

(c) Rodeo bulls for the purpose of exhibition, and

(d) Bulls attending livestock shows for the purpose of exhibition, only to be returned to the state of origin immediately after the event.

(3) Rodeo and exhibition bulls with access to grazing, or exposed to female cattle, or being offered for sale are required to be tested prior to entry.

(4) All bulls twelve months of age and older residing in Utah, and all commuter bulls must be tested with an official test for trichomoniasis annually, between October 1 and May 15 of the following year, or prior to exposure to female cattle according to approved sampling and testing procedures. All bulls must be classified as a negative bull prior to exposure to female cattle or offered for sale.

(5) Testing shall be performed by a certified veterinarian.

(a) All test results shall be recorded on test charts provided by the Department or electronic forms created by the certified veterinarian.

(i) Electronic forms shall have the following information:

(A) Veterinarian's name and contact information

(B) Owner's name and contact information

(C) Bull's trichomoniasis tag number, age, breed

(D) Date of collection

(E) Test results

(b) A copy of all test charts shall be submitted to the Department within ten (10) days of collecting the sample.

(6) All bulls twelve months of age and older being offered for sale for reproductive purposes in the state of Utah must be tested for trichomoniasis with an official test prior to sale. Bulls that have had contact with female cattle subsequent to testing must be re-tested prior to sale or transfer of ownership.

(7) It shall be the responsibility of the owner or his agent to declare, on the auction drive-in slip, the trichomoniasis status of a bull being offered for sale at a livestock auction.

(a) Untested bulls (i.e. bulls without a current trichomoniasis test tag), including dairy bulls, must be sold for slaughter only, for direct movement to a qualified feedlot, or confinement operation, unless untested bulls are tested prior to exposure to female cattle.

(8) Any bull which has strayed and commingles with female cattle may be required to be tested (or re-tested) for trichomoniasis. The owner of the offending bull shall bear all costs for the official test.

(9) All Utah bulls, which are tested, shall be tagged in the right ear with an official tag by the certified veterinarian performing the test.

(10) Bulls entering the State of Utah under the provisions of this rule may be tagged upon arrival by a certified veterinarian upon receipt of the trichomoniasis test charts from the testing veterinarian.

(11) Bulls which bear a current trichomoniasis test tag from another state which has an official trichomoniasis testing program will be acceptable to the State of Utah providing that they meet all trichomoniasis testing requirements as described above.

R58-21-5. Trichomoniasis - Rules - Positive Bull.

(1) A bull is considered positive if a laboratory identifies Tritrichomonas foetus using an official test.

(2) All bulls testing positive for trichomoniasis must be reported within 48 hours to: 1) the owner, and 2) the State Veterinarian, by the certified veterinarian performing the test.

(4) The owner shall be required to notify the administrators of the common grazing allotment and any neighboring (contiguous) cattleman within ten days following such notification by the certified veterinarian.

(5) All bulls which test positive for trichomoniasis must be sent by direct movement within 14 days, to:

(a) Slaughter at an approved slaughter facility, or

(b) To a qualified feedlot for finish feeding and slaughter, or

(c) To an approved auction market for sale to one of the above facilities.

(d) An exemption to the 14 day requirement will be given by the State Veterinarian to owners of bulls that are required to be in a drug withdrawal period prior to slaughter.

(6) Such bulls must move only when accompanied by a VS 1-27 Form issued by the testing veterinarian or other regulatory official.

(7) Positive bulls entering a qualified feedlot, or approved auction market shall be identified with a lazy V brand on the left side of the tailhead by either the livestock inspector or the contract veterinarian, indicating that the bull is infected with trichomoniasis.

(8) All bulls from positive herds are required to have one additional individual negative Polymerase Chain Reaction (PCR) test prior to exposure to female cattle, unless they are being sent to slaughter, to a qualified feedlot, or being feed for slaughter in a confinement operation.

R58-21-6. Trichomoniasis - Rules - Non-compliance.

(1) Any person who fails to satisfy the requirements of this rule or who knowingly sells animals infected with trichomoniasis, other than to slaughter, without declaring their disease status shall be subject to citation and fines as prescribed by the department or may be called to appear before an administrative proceeding by the department.

(2) After May 15, owners of all untested bulls will be fined $1,000.00 per violation.

(3) Owners of untested bulls that have been exposed to female cattle will be fined $1,000.00 per violation regardless of the time of year.


disease control, trichomoniasis, bulls, cattle

Date of Enactment or Last Substantive Amendment

June 14, 2017

Notice of Continuation

December 26, 2019

Authorizing, Implemented, or Interpreted Law


Additional Information


For questions regarding the content or application of rules under Title R58, please contact the promulgating agency (Agriculture and Food, Animal Industry). A list of agencies with links to their homepages is available at http://www.utah.gov/government/agencylist.html or from http://www.rules.utah.gov/contact/agencycontacts.htm.