The number of cattle euthanized goes up daily as additional cows are killed and tested for the brain wasting BSE, or mad cow disease.
This past Tuesday 15 "animals of interest" were euthanized and sampled from the Moxee facility where one cow, which had been imported into the United States with the infected cow, was found.
United State Department of Agriculture officials continue to track down the 80 animals that crossed the border with the infected animal.
The cow found with BSE was being milked on a Mabton dairy until the beginning of December, when it was sent to a slaughterhouse after sustaining injuries giving birth. On Dec. 23, after BSE testing had been completed, it was found that the animal had contracted mad cow disease.
Taking protective measures, the USDA started tracking all the animals that were imported from an Alberta dairy with the infected cow.
Nine additional cows from the original 81-cow herd imported into the U.S. from Canada were located on the Mabton dairy where the infected cow had been milked. So far, 131 cows from the Mabton dairy, 39 cows from a Mattawa dairy and 15 animals from a Connell dairy were killed and tested for the disease. All were found negative for BSE.
Officials are still awaiting tests from animals that were depopulated from facilities in Quincy, Tenino, Moxee and Boardman, Ore.
In addition to the dairy cows that were believed to be imported with the infected cow, an additional 449 bull calves were euthanized. The calves were part of an operation that had purchased the infected cow's calf. Officials were unable to positively identify the calf, so all of the animals were euthanized.
. Melissa Browning can be contacted at (509) 837-4500, or e-mail firstname.lastname@example.org