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<br />-6- <br />~fect and symptoms <br /> <br />p704 Shallow Fooch~ll XLRa 49 <br />The plants contain cyanogenetic glyrnside which bacteria a~ ymes <br />converts to a hydrocyanic (prussic) acid. A Iethal dose will cur when the <br />animal consumes 0.15 percrnt of the body weight. The poison is not <br />cumulative and animals will recover. The release of the toxi is related to <br />consump[ion of water which prompts rapid release of the toxin. <br />Illness may begin within five minutes after plant is eaten. ath occurs <br />within IS minutes. Extreme salivation, labored breathing, mus Ie Cremors, <br />incoordination, bloating, convulsions, :nd death due to respir tory failure. <br />Blood will appear bright red a~ lungs will be congested. Re ve affected <br />animals from area and treat rich sodius nitrate and sodium thi salfate <br />intravenously. Unaffected animals should also be removed. <br />Season Animals <br />tbmmon Scientific Hame Dangerous Affected <br />Xame <br />Drummond Astragal us drummondii Drummond ml~ <br />milkvetch vetch has no <br />been confir <br />as being poia <br />ous to livest <br />Sorever, SL i <br />listed as bey <br />suspected of <br />tonicity. <br />Co~non Season <br />Name SCie+rtific Nasx Dangerous <br />variable senecio Senecio mutabilis rhen palatable <br />forage is <br />scarce. <br />s~ -_. <br />Effect and symptoms <br />Potent- <br />iall y <br />cattle, <br />horses <br />end sheep <br />s <br />Animal s <br />Affected <br />mostly cattle <br />a~ horses; <br />sheep are <br />usually noe <br />affected it <br />fed on sup- <br />plement during <br />the dry range <br />cronditions in <br />the spring <br />Symptoms are progressive and effects are cumulative. D'eakneis, <br />darkly stained urine may be observed. Animals die quickly or r <br />aimlessly. Adequate teed or supplement during the spring rill <br />hazard. <br />diarrhea, end <br />the <br />