| Yellowstone Bison Slaughter
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Article 1/23/04 |
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| Chronology
of Wyoming brucellosis cases
By The Associated Press
Star Tribune, Casper, Wyoming
January, 23 2004
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A
look at the history of recent brucellosis cases in Wyoming
cattle:
Oct. 27, 2003--Four cattle from ranch east of Boulder
sold through Riverton Livestock Auction.
Oct. 28--Three cows slaughtered at plant in Gibbon, Neb.
Oct. 30--Fourth cow slaughtered at plant in Gering, Neb.
Nov. 14--Lab in Topeka, Kan., which routinely tests tissue
from slaughterhouses, notifies U.S. Animal Plant and Health
Inspection Service that the three cows sent to Gibbon
tested positive for brucellosis.
Nov. 17--APHIS notifies ranch owners and Wyoming state
veterinarian of finding.
Nov. 19--Gering cow tests positive in Kansas lab.
Nov. 20--Boulder herd put under quarantine.
Dec. 2--Blood samples taken from herd, which numbers around
400.
Dec. 4--State Veterinary Laboratory in Laramie finds brucellosis
in 31 cattle from herd.
Dec. 5--Colorado implements testing requirements of cattle
in broad area of western Wyoming.
Dec. 7--Testing begins on neighbor herds and those that
may have been in contact with infected herd.
Dec. 10--Second round of blood samples from 31 infected
cattle taken because of owner's concerns over initial
sampling.
Dec. 12--National Veterinary Services Laboratories in
Iowa confirms brucellosis in first round of samples.
Dec. 18--California imposes testing requirements on Wyoming
cattle.
Dec. 19--Nebraska imposes testing requirements.
Dec. 23--Wyoming officials label "suspect" results
of four cows from two neighbor herds. The four and all
neighbor herds will be retested in the spring after calving
season.
Dec. 24--Colorado revises its restrictions to include
only cattle from Sublette and Lincoln counties.
Dec. 29--NVSL again confirms disease, from second round
of tests, on the 31 cattle; U.S. Department of Agriculture
formally designates Boulder herd infected with brucellosis.
Jan. 1, 2004--Remaining herd appraised to determine market
value.
Jan. 5--Infected cattle transported from ranch to state
vet lab.
Jan. 6--Wyoming Livestock Board adopts emergency rules
effective Feb. 11 requiring most breeding cattle to be
tested upon change of ownership.
Jan. 8--Three days of euthanizing completed at state vet
lab of the 31 infected cattle along with removal of tissue
to determine type of brucella bacteria. Carcasses to be
incinerated.
Jan. 9--State wildlife officials announce that elk from
feedground near Boulder ranch will be trapped and tested
to determine if they were source of infection.
Jan. 13--South Dakota announces restrictions, effective
Feb. 1.
Jan. 14--About 260 cattle from Boulder herd, which had
tested negative, sent to slaughter in Nebraska. The family
is allowed to keep heifers and steers as long as they
are not used for breeding. They will be reimbursed by
APHIS for cattle that sell for less than appraised market
value.
Jan. 15--Blood samples drawn from 12 cattle at Worland
feedlot that originally came from Boulder herd.
Jan. 20--State vet lab finds brucellosis in six cattle
in Worland herd.
Jan. 21--APHIS declares Wyoming has second brucellosis
case.
Jan. 22--State Veterinarian Jim Logan says Wyoming will
lose its brucellosis-free status and cattle will be subject
to more extensive testing.
Sources: APHIS, Wyoming Game and Fish Department, Wyoming
governor's office, Wyoming State Veterinary Lab, Wyoming
Livestock Board, Associated Press.
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