Mad deer disease is rampant in the United States

Introduction: a kind of mad deer disease similar to mad cow disease is spreading in American pastures Scientists are studying how to stop the spread of the epidemic "Mad deer disease" has spread to eight states in the United States and parts of Canada In Colorado, sharpshooters shot 10000 deer from airplanes to prevent the spread of the disease Worried that "mad deer disease" would hurt the region's hunting and tourism economy, state lawmakers rushed to Washington for financial support Data show that 3% of Wisconsin's deer herd was infected last year, while the state's annual killing volume is 446000, bringing more than $1 billion in economy and endless deer meat dinner "Mad deer disease" has existed for 35 years, but it was not until the outbreak of "mad cow disease" that people paid more attention to it The disease is still a mystery Scientists have preliminarily determined that a protein invades deer's brain, causing protein mutation in the brain There is no sign that people will be infected after eating deer meat, but five rare brain diseases in the United States have attracted people's attention recently Researchers have not yet been able to confirm a direct link to "mad deer disease." Originally, "mad deer disease" was caused by natural bacterial infection and spread very slowly But the transportation of elk in the trade made the disease spread rapidly In recent years, commercial elk farms have flourished in the United States There is little feed and space needed to domesticate elk The sales of deer meat and antler are very good Antler is exported to Asia in large quantities It costs US $17 An ounce in the United States By 2000, only 259 elk had become ill, a small share of 160000 elk in 2300 North American pastures However, due to the incubation period of "mad deer disease", the number of deaths increased dramatically two or three years later Consumers are beginning to worry that "mad deer disease" is even worse than "mad cow disease" It can spread among animals, like influenza Some experimental studies show that in theory, "mad deer disease" will infect people, but the probability is very low At present, there are no effective measures to reduce the possibility of people infected with "mad deer disease" virus It is difficult to ensure that the deer meat sold by butchers to customers is not mixed with infected meat It is a frightening thing that foodmakers process deer meat into hamburgers and sausages.