A self-grooming device, called cow wash, has become cows' favorite as well as farmers'.
日前一款叫做“奶牛洗刷器”的设备成为奶牛和农场主的新宠。
The cows enjoy the sensation of being brushed and it can boost milk production by 3.5 percent. So far, 30,000 cow washes have been sold in its native Sweden market.
据了解，该设备既可以让奶牛享受洗刷的舒畅感，同时能够将产奶量提高3.5%。目前，已有3000多台“奶牛洗刷器”在设备生产国瑞典售出。
