This section is from the book "Elements Of The Theory And Practice Of Cookery", by Mary E. Williams. Also available from Amazon: Elements Of The Theory And Practice Of Cookery; A Textbook Of Domestic Science For Use In Schools.
What the seed is for the seedling, and the egg for the unhatched chick, the milk of an animal is for its young - that is, a perfect food. Why it comes nearer than eggs do to being a perfect food for any human being we shall see when we have found out its composition.
 
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