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Dr. Ronald P. Rogers CHIROPRACTOR Support for your body's natural healing capabilities 270-384-5554 Click here for details 
  
Columbia Gas Dept. GAS LEAK or GAS SMELL Contact Numbers 24 hrs/ 365 days 270-384-2006 or 9-1-1 Call before you dig 
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Adair County Agent report for October 4, 2005: Grasses. Prussic acid poisoning . . . early spring green-up . . . just as important in a forage stand as on a golf course or lawn. Now is time to apply nitrogen for cool season grasses Most prussic acid poisoning in domestic animals caused by plants they et By David Herbst dherbst@uky.edu Adair County Extension Agent for Agriculture When most of us think of nitrogen fertilization of cool season grass pastures and hay fields, we think of early spring and late summer. Some producers are now taking a cue from turfgrass professionals who routinely apply nitrogen in the late fall (late October and November in KY). Obviously we dont care about late season green color in forage stands, but the advantages of increased grass density (more tillering), improved weed competition, and early spring green-up are just as important in a forage stand as on a golf course or lawn. The goal is to apply light N rates after grass growth has slowed, but when the leaves are still green. Nitrogen applied in early fall (September and early October) can stimulate excess growth during the time of the year that stands should be preparing of winter. On the other hand, N applied late fall is taken into the plant and improves root growth, tillering, and energy storage. Current turf recommendations call for 60 lbs/acre for late fall fertilization. This rate is fine for forage stands, but a more economic rate of 30 to 40 lbs/acre is still sufficient to increase tillering and stand density.Nitrogen is high this year, but consider the many advantages of a light rate of late fall N when determining you pasture and hay fertilizer needs. Prussic acid poisoning primarily caused by eating plants containing the toxin The primary cause of hydrocyanic (prussic) acid poisoning in domestic animals is the ingestion of plants containing this potent toxin. Cyanide-producing compounds occurring in living plant cells are converted to prussic acid when cells are crushed or otherwise ruptured. The prussic acid potential of plants is affected by species and variety, weather, soil fertility and stage of plant growth. Plants of the sorghum group and leaves of wild cherry trees have a potential for producing toxic levels of prussic acid. There are wide differences among varieties. Some of the sudangrasses, such as Piper, are low in prussic acid. Pearl millet is apparently free of prussic acid in toxic amount. Cause: Prussic acid is one of the most potent toxins in nature. As ruminants consume plant materials containing cyanide-producing compounds, prussic acid is liberated in the rumen, absorbed into the bloodstream and carried to body tissues where is interferes with oxygen utilization. If toxin is absorbed rapidly enough, the animal soon dies from respiratory paralysis. Symptoms: When lethal amounts are consumed, dead animals may be found without visible symptoms of poisoning. Symptoms from smaller amounts include labored breathing, irregular pulse, frothing at the mouth and staggering. Prevention: Forage species and varieties may be selected for low prussic acid potential. The risk from potentially dangerous forages may be reduced by following certain management practices.
October 4, 2005 For more information contact the Adair County Cooperative Extension Service by calling 384-2317; or visit the office located at 409 Fairground St., in Columbia. Educational programs of the Cooperative Extension Service serve all people regardless of race, color, age, sex, religion, disability, or national origin. Adair County Extension Service, P.O. Box 309, Columbia KY 42728-0309 Phone: (270) 384-2317 This story was posted on 2005-10-04 12:20:50
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115 Jamestown St. Columbia, KY. 270-384-2496 
  
   
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