It produced the same results as tests using wool sheep and horses.
VOA: special.2009.08.03
It says the price index contained this amount of beef, this amount of sheep wool, this amount of sole leather, and this amount of corn; that was the first consumer price index ever used for financial contracts.
指数中包括这些数量的牛肉,这些数量的羊毛,这些数量的鞋底皮,这些数量的玉米,这是在金融合约里出现的,第一个消费者物价指数
Also,hair sheep require less care than wool sheep.
VOA: special.2009.08.03
Shearing is when a sheep gets a haircut so the fleece can be made into wool.
VOA: special.2009.07.21
"Having to shear the sheep for wool is actually very costly and labor intensive.
VOA: special.2009.08.03
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