{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Latest on Mad Cow crisis' data-url='/boclips/videos/5c54c2cad8eafeecae15c595' data-video-url='/boclips/videos/5c54c2cad8eafeecae15c595' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nLatest on Mad Cow crisis\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eWashington DC - 31 December 20031. Dr. Ron DeHaven, US Department of Agriculture Chief Veterinarian, and other officials at news conference.2. Cutaway reporters and photographers3. SOUNDBITE (English) Dr. Ron DeHaven, US Department of...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eWashington DC - 31 December 2003\u003cbr/\u003e1. Dr. Ron DeHaven, US Department of Agriculture Chief Veterinarian, and other officials at news conference.\u003cbr/\u003e2. Cutaway reporters and photographers\u003cbr/\u003e3. SOUNDBITE (English) Dr. Ron DeHaven, US Department of Agriculture Chief Veterinarian \u003cbr/\u003e\"As you know, we don't have a live animal test, so the animals - if they're going to be tested - would have to be sacrificed and then brain tissue obtained for doing that testing. I think some of the factors that we would want to consider initially would be confirming that they all came from the same herd in Alberta; we want to confirm that, in fact, we have the right herd in Alberta; so in the meantime - and also, would they be birth cohorts of this animal. If in fact the age is such that there's no absolute reason to suggest or to - if we're able to absolutely confirm that they weren't fed the same feed as the index cow, then we may or may not take the animals at that point.\"\u003cbr/\u003eUndated file material \u003cbr/\u003e4. Various of cows on farm\u003cbr/\u003eUS agriculture investigators have determined that at least nine cows at a dairy farm in Mabton, Washington came from Canada in the same shipment as the cow that developed mad cow disease.  \u003cbr/\u003eAgriculture Department officials on Wednesday said they were deciding whether to kill those animals in order to test for mad cow disease.  \u003cbr/\u003eThe department's top veterinarian, Dr. Ron DeHaven, said officials were weighing factors such as whether all the cows are from the same herd; whether they were born at the same time as the sick cow and whether all of those cows ate the same feed.\u003cbr/\u003eDeHaven also said DNA tests on the sick cow were about to be performed at labs in the US and Canada - perhaps as early as Wednesday night - with results expected early next week.  \u003cbr/\u003eDeHaven said the tests were expected to reveal the cow was born in the Canadian province of Alberta about six and a half years ago.  \u003cbr/\u003eDeHaven also said it was too soon to say whether a rendering plant in Edmonton, Alberta, was a source of feed for the Canadian and US cows with mad cow disease and that the issue remained under investigation with Canadian authorities.  \u003cbr/\u003eAn Edmonton newspaper reports Canadian investigators found material from the plant may have been used in feed consumed by both animals.\u003cbr/\u003e\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' id='resource-details-heading'\u003eResource 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