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Where The Disease Is Endemic: Other diseases, including bovine tuberculosis, brucellosis and swine fever, which once caused serious stock losses and even human illness, are now wholly or partly wiped out in most advanced countries. But there are always new risks and a close watch has to be kept on those areas where the disease is endemic husbandry is primitive and disease endemic.
Mycoplasmosis is a respiratory disease caused y the bacteria Mycoplasma gallisepticum. It is Iso known as air sac disease or chronic respira-jry disease. Those affected with the disease may how nasal discharge, watery eyes, and respira-)ry difficulty. This disease is often associated /ith other respiratory diseases. It is transmitted hiefly from infected hens to their chicks through le eggs. The disease can also be transmitted by ontact with infected individuals, but it spreads ery slowly in this manner. The disease can best e controlled by maintaining breeding flocks free f the disease by strict measures of isolation and mitation. Chicks hatched from such flocks can egin life free of the disease.
Phe most common symptoms are gasping, cough-ng, depression, loss of appetite, and nervous yinptoms. Partial or complete paralysis of the imbs, muscular tremors, peculiar attitudes of he head and neck, and abnormal movements uch as somersaulting, falling, and walking in ircles may also be observed. Egg production in iens may completely cease. The disease is best ontrolled in countries where the disease is endemic it is endemic by pe-iodic vaccination with appropriate vaccines made rom killed or modified live-virus preparations. |
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