Cottonseed Meal, Buttermilk, and Tankage as Sources of Protein of the Laying Hen

Since there has been so much conflicting data relative to the use of cottonseed meal in the laying ration it was thought advisable to run an experiment to clear up the matter for the Southern farmer. Consequently, starting November 1, 1917, four pens, each consisting of 25 S. C. White Leghorn pullets, were fed the following rations:

Pen 1. Basic mash plus 3.2 pounds of tankage.

Pen 2. Basic mash plus buttermilk (available all the time).

Pen 3. Basic mash plus 1.6 pounds tankage and 3 pounds C. S. M.

Pen 4. Basic mash plus 6 pounds cottonseed meal.

All pens received the basic mash of 10 pounds bran; 10 pounds shorts; 5 pounds ground oats.

The same grain ration was fed to all pens. The grain mixture was changed from time to time to meet the demands of war rations. The first year 2 parts wheat, 2 parts corn . . .