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One Cause Of X Disease
Found At Experiment Stat.
At least one cause of the mysterious X disease yf cattle has been , found. The Sinclair Refining Company, Sinclair Research Laboratories, Inc., and the VPI Agricultural Experiment Station have announced jomtly that a fiighly chlorinated napthalene ° will produce bovine hyperkeratosos, or X disease. The discovery follows a year of intensive work by Dr. Wit* son 15. Bell, veterinarian at VPI.
The malady appeared in this country about 10 years ago and scientists have been looking for the cause or causes ever since. Although not too widespread, X disease has caused considerable concern to. livestock producers. Affected animals lost their appetite, their eyes water, they slobber constantly, their skins becomes rough and hard and the animals nearly always die. * Materials that have been used to ‘produce the disease experimently Include a certain kind of processed alfalfa, feed concentrate, ,a wood preservative, and a lubricant, lit is* possible, says Dr. Bell, that a highly chlorinated napthalene in some way has gained entrance into the feed materials or is present in the wood preservative. It is also possible, he believes, that other chemicals may be found that will cause the disease.
A complete report of Dr., Bell’s w'orlc is being published in the July issue of the Virginia Journal .of Science. -•
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