Byssinosis leads to development of persistent symptoms and progressive decline in FEV1. Byssinosis Byssinosis, also called "brown lung disease" or "Monday fever", is an occupational lung disease caused by exposure to cotton dust in inadequately ventilated working environments. Byssinosis commonly occurs in workers who are employed in yarn and fabric manufacture industries. It is now thought that the cotton dust directly causes the disease and some believe that the causative agents are endotoxins that come from the cell walls of gram-negative bacteria that grow on the cotton. Although bacterial endotoxin is a likely cause, the absence of similar symptoms in workers
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