Every boy or girl who keeps poultry naturally desires to make as much profit as possible. To do so it is important that every hen kept should be a good layer and that all cockerels except those for breeding purposes (as well as pullets that lack vigor and vitality) should either be eaten or canned for home use or be sold as soon as they are large…

One of the most important advance steps in commercial poultry keeping in recent years, and one that promises to exercise a truly great influence upon the development and permanent upbuilding of the industry, is the more exact knowledge poultry keepers now have of the characters of individual fowls; also the extent to which these characters, whether…