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• <br />Effect and symptoms <br /> <br />-6- <br />//204 Shallow Foothill <br />The plants contain cyanogenetic glycoside which bacteria and er <br />converts to a hydrocyanic (prussic) acid. A Lethal dose will c <br />animal consumes 0.25 percent of the body weight. The poison is <br />cumulative and animals will recover. The release of the toxin <br />consumption of water which prompts rapid release of the toxin. <br />~H~ <br />MLRA 49 <br /> <br />cur when the <br />not <br />s related to <br />Illness may begin within five minutes after plant is eaten. De th occurs <br />within 15 minutes. Extreme salivation, labored breathing, musc a tremors, <br />incoordination, bloating, convulsions, and death due co respira ory failure. <br />Blood will appear bright red and lungs will be congested. Remo a affected <br />animals from area and treat with sodium nitrate and sodium thio alfate <br />intravenously. Unaffected animals should also be removed. <br />Season Animals <br />Common Scientific Name Dangerous Affected <br />Name <br />Effect and symptoms <br />Drummond <br />milkvetch <br />Common <br />Name <br />variable Senecio <br />Symptoms ate progressive and effects are cumulative. Weakness, <br />darkly stained urine may be observed. Animals die quickly or ti <br />aimlessly. Adequate teed or supplement during the spring will <br />hazard. <br />Astragalus drummondii Drummond milk <br />vetch has not <br />been confirme <br />as being pois <br />ous to Iivest <br />However, it i <br />listed as bei <br />suspected of <br />toxicity. <br />Sea son <br />Scientific Name Dangerous <br />Senecio mutabilis when palatable <br />forage is <br />scarce. <br />Potent- <br />ia11 y <br />cattle, <br />horses <br />and sheep <br />Animal s <br />Affected <br />mostly cattle <br />and horses; <br />sheep are <br />usually not <br />affected if <br />Fed on sup- <br />plement during <br />the dry range <br />conditions in <br />the spring <br />diarrhea, and <br />ander <br />reduce the <br />' ^~ <br />"~1 <br />~~ <br />