prolificacy

Its great prolificacy, strong constitution, quick growth, and large size make it a favorite with squab growers.

The advantages of prolificacy are so apparent that it is unnecessary to dilate upon them.

These are not so much specialised structure as courage, a good constitution, mental capacity and prolificacy.

That the Mulattoes of the Germanic and Ethiopian races possess little prolificacy: 2.

This great prolificacy is what makes the scale so serious a pest.