急求英语短文

Bird flu provides a lesson

The rapid spread of lethal bird flu in Asia has sparked concerns about the outbreak's long-term impact on the poultry industry.
To prevent avian influenza from spreading further, experts in China and other infected regions are culling poultry and vaccinating thousands of fowl each day.
Some observers have opined these measures could prove to be a blessing in disguise because they will lead to improved living conditions for farmed foul. That's laudable, but perhaps the more important result is that farmers are being forced to realize the importance of maintaining sanitary conditions for their poultry stock.
Although there is so far no evidence to suggest the poor environment of poultry farms is a primary cause of the disease, there can be no doubt unsanitary farms and poorly outfitted live fowl markets increase the risk of spreading the virus.
Preventing domestic flocks from becoming infected is seen as the first l