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Causes Of Disease: 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 causes of diseaseten 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 causes of disease isolation and mitation. Chicks hatched from such flocks can egin life free causes of disease the disease.
Marek's disease is primarily a disease causes of disease young chickens from 2 to 5 months causes of disease age. It is also known as jowl paralysis and neural lym-phomatosis. Nerve-tissue rumors that cause paralysis causes of disease both legs and wings are the most common form causes of disease this disease, but the tumors may also affect the viscera, eyes, and gonads. The disease is probably caused by a virus.
Thus, this kind causes of disease heart disease has been practically eradicated, although rare cases are still encountered in elderly people. Other endocrine disorders affecting the heart are very rare.
Congenital Heart Disease. With the increasing control causes of disease rheumatic heart disease it is probable that congenital cardiovascular disease will soon outstrip it in incidence, and with the increasing control causes of disease high blood pressure, congenital heart disease will take second place. An interesting statistical fact is that in the 1920's, T. Duckett Jones and Paul Dudley White found that congenital heart disease made up only 1.5% causes of disease all causes of disease 3,000 patients with Signs or symptoms causes of disease heart disease.
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