VOA慢速英语 让机器人为奶牛挤奶
Letting a Robot Milk Your Cow
让机器人为奶牛挤奶
This is the VOA Special English Agriculture Report.
Technology is making life easier for some dairy farmers. They use robotic systems to milk their cows. These systems are designed to reduce labor and increase milk production. Here is how they work:
Cows are trained to follow a series of paths that lead to milking stations. Only one cow at a time can enter a station.
Once inside, the cow is rewarded with food. As the cow eats, a robotic arm cleans and connects the animal to the milking machine. A few minutes later, the milking is complete. The gate is lifted, the cow is released and the next cow enters.
The robotic systems are designed to operate twenty-four hours a day. The cows get to decide when they want to be milked. Cows are milked an average of about three times a day. Some are milked four to six times a day.
The cows wear collars around their necks that identify them to the system. A computer keeps records on their eating and milking. A cow is released from the station if the computer decides it should not be milked.
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