Trained men, some of them veterinarians, in the employ of the government, make a thorough inspection of the glands and other organs of the hog. 佚名.神奇的知识之书.
Veterinarians in the employ of the government examine all the hogs that come into these pens, and any that seem to be at all sickly, or for any reason unfit for food, are held out. 佚名.神奇的知识之书.