8 CCR 1201-19, pt. 7 - Cattle and Bison Brucellosis
7.1. Definitions
7.1.1. "Adjacent herd" means a group or
groups of animals having potential direct contact with the affected herd. Herds
separated by a single fence are considered adjacent herds.
7.1.2. "Affected herd" means a herd of cattle
or bison that contains, or has recently contained, one (1) or more animals
infected with Brucella abortus and that has not completed the
required tests necessary for release from quarantine.
7.1.3. "Annual test" means a test conducted
at intervals of not less than ten (10) months nor more than fourteen (14)
months.
7.1.4. "Approved test"
means a laboratory test used in the diagnosis of Brucella
abortus approved by the State Veterinarian.
7.1.5. "Cattle" means all domestic bovine
(genus Bos).
7.1.6. "Certified free
herd" means a herd of cattle or bison that has qualified for and has been
issued a Certified Brucellosis-Free Herd certificate issued by the State
Veterinarian or state animal health official in the state of origin. The
Certified Brucellosis-Free Herd status is valid for 12 months unless evidence
of brucellosis is disclosed.
7.1.7.
"Class free state" means a state classified by VS/APHIS, as set forth in the
UM&R, based upon the incidence of brucellosis infection existing in said
state.
7.1.8. "Commission" means
the Colorado Agricultural Commission.
7.1.9. "Commissioner" means the Colorado
Commissioner of Agriculture.
7.1.10. "Exposed Animals" means cattle or
bison that have been exposed to brucellosis by reason of associating with known
infected animals.
7.1.11. "Natural
Additions" means animals born into a herd.
7.1.12. "Non-free State" means a state
classified by VS/APHIS, as set forth in the UM&R, based upon the incidence
of brucellosis infection existing in said state.
7.1.13. "Official calfhood vaccinate (OCV)"
means a female bovine or bison animal vaccinated against brucellosis with RB-51
brucellosis vaccine between four and twelve (12) months of age. All vaccination
must be conducted under the supervision of a federal or state veterinary
official or accredited veterinarian. Vaccinated animals must be permanently
identified as vaccinates and reported at the time of vaccination to the
appropriate state or federal agency cooperating in the eradication of
brucellosis.
7.1.14. "Reactor"
means an animal subjected to an official test resulting in a brucellosis
reactor classification or subjected to a bacteriological examination for field
strain Brucella abortus and found positive or reclassified as
a brucellosis reactor by a designated epidemiologist as provided for in the
definition of official test.
7.1.15. "Suspect" means an animal subjected
to an official test resulting in a brucellosis suspect classification or
reclassified as a brucellosis suspect by a designated epidemiologist as
provided for in the definition of official test.
7.1.16. "Uniform Methods and Rules
(UM&R)" for Brucellosis Eradication" means the standards set in APHIS
Bulletin No.
91-45-013 (2013) (as incorporated
herein).
7.2. Certified
Free Herd Requirements
7.2.1. Initial
certification of the certified free herd may be accomplished by the following
method:
7.2.1.1. At least two consecutive
negative approved blood tests of all test eligible cattle or bison not less
than 10 months, nor more than 14 months apart, are required for initial
certification.
7.2.2. The
following requirements apply to recertification of a Certified Free Herd:
7.2.2.1. A negative herd test of all test
eligible animals conducted within 60 days of each anniversary date is required
for continuous certification.
7.2.2.2. If the herd certification test is
conducted within 60 days following the anniversary date the certification
period will be 12 months from the anniversary and not 12 months from the date
of the recertifying test.
7.2.2.3.
If a herd test for recertification is not conducted within 60 days following
the anniversary date, then certification requirements are the same as for
initial certification.
7.3. Certified Free Herd Import Requirements
7.3.1. Cattle from Certified Free Herds may
be imported into Colorado without a test for brucellosis. A herd of cattle or
bison may qualify as Certified Brucellosis-Free by meeting the applicable
requirements that follow:
7.3.1.1. There has
been a whole herd test within 12 months, in which all test eligible cattle or
bison have tested negative to an approved test.
7.3.1.2. Additions to a certified free herd
may originate from other certified free herds that are approved by the state
animal health officials from the state of origin.
7.3.1.3. Additions to a certified free herd
may originate from Class Free States that have tested negative to an approved
test within 30 days of entry.
7.3.1.4. Additions to a certified free herd
from Non-free States must test negative to an approved brucellosis test within
30 days prior to shipment and be isolated on the certified free herd premises
and retested within 45 to 120 days after arrival.
7.3.1.5. Herd inventory verification of
certified free herds must be approved by the animal health or brand officials
from the state of origin.
7.3.1.6.
The certified free herd number, issued by the state animal health officials in
the state of origin, must be listed on the CVI.
7.4. Colorado Cattle and Bison Vaccination
Requirements
7.4.1. Vaccination for
Brucellosis is voluntary in the state of Colorado.
7.4.2. Vaccination for Brucellosis may only
be administered by an accredited veterinarian.
7.4.3. Any Brucellosis vaccination of beef,
dairy, and bison heifer calves must be with strain RB-51 and may only be
administered between 4 and 12 months of age.
7.4.4. Vaccinated heifers shall have legible
Brucellosis vaccination tattoos and official ear tags.
7.4.5. Any vaccination performed shall be
reported by the accredited veterinarian on an official vaccination certificate
(VS Form 4-24) to the USDA within 30 days of vaccination.
7.5. Diagnostic Testing
7.5.1. All Brucellosis tests needed for
movement or change of ownership shall be forwarded to the CDA Animal Health
Laboratory (AHL) on a VS Form 4-33 whenever any livestock are tested. Any
tested livestock shall be officially identified.
7.6. Quarantine of Affected Herds
7.6.1. In herds where a reactor animal is
disclosed, all cattle or bison in the herd shall be quarantined on the
premises.
7.6.2. The herd owner may
ship suspect or reactor cattle or bison, or other animals within the
quarantined herd directly to slaughter under a VS Form 1-27 permit.
7.6.3. Affected herds shall remain under
quarantine until such time that they are depopulated or all reactor or suspect
cattle or bison have been removed from the herd and the remaining cattle or
bison test and retest negative in accordance with the terms of the
quarantine.
Notes
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