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Cattle Boards
Health & Nutrition
Japanese Yew plants
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<blockquote data-quote="Lucky_P" data-source="post: 910909" data-attributes="member: 12607"><p>Bummer.</p><p>I see it(yew poisoning) all the time - and usually it's just as previously stated - the person trimming the yew shrubs thinks the cows would appreciate the nice green 'snack' - but I've also seen cattle eat dry brown yew needles when folks have pulled out shrubs that died and dumped them in a ditch in the pasture. Even dry and brown, Japanese yew contains enough cyanide to quickly kill a cow, sheep, or goat, with just a few mouthfuls of the plant material. It's- pretty easy to diagnose - you just open the rumen, and the partially chewed(usually minimally-chewed) yew leaves/needles/stems are floating right there on top. </p><p>There are other toxic compounds (taxime, taxol, etc.) in yew that can potentially cause toxicity, but the cyanogenic compounds are usually what kills 'em right off.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 910909, member: 12607"] Bummer. I see it(yew poisoning) all the time - and usually it's just as previously stated - the person trimming the yew shrubs thinks the cows would appreciate the nice green 'snack' - but I've also seen cattle eat dry brown yew needles when folks have pulled out shrubs that died and dumped them in a ditch in the pasture. Even dry and brown, Japanese yew contains enough cyanide to quickly kill a cow, sheep, or goat, with just a few mouthfuls of the plant material. It's- pretty easy to diagnose - you just open the rumen, and the partially chewed(usually minimally-chewed) yew leaves/needles/stems are floating right there on top. There are other toxic compounds (taxime, taxol, etc.) in yew that can potentially cause toxicity, but the cyanogenic compounds are usually what kills 'em right off. [/QUOTE]
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