Byssinosis not brown. Brown lung can ultimately result in narrowing of the airways, lung scarring and death from infection or respiratory failure. Patient history should reveal exposure to cotton, flax, hemp, or jute dust. Diagnostic tests include a lung function test and a chest x ray or CT scan. Measurable change in lung function before and after working shifts is key to diagnosis. Patients suffering from byssinosis show a significant drop in FEV1 over the course of work shift. Chest radiographs show areas of opacity due to fibrosis of the pulmonary parenchyma. Affected workers should be offered alternative employment. Continued exposure
Foreign animal disease serological, and molecular techniques. There is no vaccine available for this disease, and pharmaceutical therapy is not recommended because animals may improve clinically but will remain carriers. Good hygiene at assisted matings must be utilized. Compulsory notification and slaughter of infected horses is used to help control the disease, and most countries legislate control of movement. Foot-and-mouth disease Foot-and-mouth disease (FMD) is a severe highly contagious viral disease affecting cloven-hooved animals, such as cattle, sheep, and swine. FMD was once worldwide but has been largely controlled in developed nations, and has been eradicated from some regions such as North America