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 wild animals. The principal wild animals used for food are the deer, bear, rabbit, and squirrel. Many other wild animals, however, are eaten and in some cases highly prized. In this manual only the principal meat foods both of domesticated and wild animals will be mentioned.

Classification of Meat Food as Respects Age.—The edible flesh of domesticated animals as well as of wild animals is eaten both in the young and full-grown state. Common names, however, designate these different classes. For instance, veal in the growing and beef for the full-grown animal, lamb for the young and mutton for the full-grown sheep, pig in the younger and pork in the full-grown swine, etc. There is no legal limit of age for such a distinction, but as long as the animal is not fully grown it may be classified under the name representing the young animal. There is a common understanding, however, that in the case of veal and lamb the animal must be under one year of age and usually not under two nor more than eight months of age. A classification of this kind is so indefinite, however, that no strict definition can be given other than that founded on the general principles above outlined.

Preparation of Animals.—The proper sanitary conditions attending the fattening of animals intended for slaughter are of great importance to the consumer. It is a common understanding that animals intended for slaughter should be plump and healthy. Poor animals, either those which are meager from lack of food or from disease, are to be rigidly excluded from the slaughter pen. Animals intended for slaughter should be fattened under sanitary conditions with plenty of fresh water and fresh air as well as good food. The stalls in which they are fattened should be clean and well ventilated, and the sanitary conditions surrounding them should be such as to exclude contagious and epidemic diseases and provide the most favorable environment for growth and preparation for the market.

It is evident that all these conditions are to be secured by proper inspection of the animals while preparing for the market. The time will, doubtless, soon arrive in this country when the supervision of the preparation of animals for the market, the sanitary conditions under which they live, and the general environment which surrounds them shall be subjects of local, municipal, and state inspection. Since the power of the general government cannot extend to states and municipalities, these corporate bodies should take uniform and scientific action concerning all these matters. National and state conventions of municipal and state sanitary authorities should decide upon uniform systems of inspection and sanitation to which all state and municipal authorities must agree, so that a uniform and effective method of inspection and sanitation will be secured throughout the country.

When animals are transported before slaughter from one state to another the national government is then entitled to inspect and certify respecting the