High school
Health Sciences & Medicine
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Mad cow disease is a kind of disease caused among cattle that affects the brain. This disease originated during 1980's and proved fatal to both human beings and cattle. It is a silent disease and its symptoms appear at an advanced stage. There are various reasons and factors that lead to this disease and it can have drastic effects on an individual and the society.


[Ecohealth environmental change and our health glossary, n.d]. The most important fact about this disease is that those cows that are genetically susceptible by this disease only get infected by it. [What is mad cow disease, n .d]
This disease first originated in United Kingdom in 1985. A similar kind of disease was prevalent in sheep for over 200 years called Transmissible Spongiform Encephalopathy (TSE) or scrapie. Prior to the widespread of this epidemic, cattle were fed with meat and bone meal of butchered cows and sheep. Due to the gradual accumulation of prions on the cattle by constantly feeding them with such infected meat resulted in the origin of this epidemic. The infection of this disease was found in the blood although the pathogenic molecules were those of the brain and nervous system. [Bovine spongiform encephalopathy, n. d]. This disease started occuring all over the world due to the export of cattle and cattle feed from United Kingdom.
It is a silent disease whose symptoms are not prominent at the initial stages and appears only after 2 to 8 years of the infection. The gestation period for this disease is between 2 weeks to 6 months. The symptoms of this disease in the animal are change in the attitude and behavior, uncoordinated movements and weight loss. ...
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