Calcium and Phosphorus Requirements of Breeding

CALCIUM AND PHOSPHORUS EEQUIREMENTS OF

BREEDING BOBWHITE QUAIL

JAMES B.DEWITT,RALPH B.NESTLEE 'AND JAMES V.DERBY,JR.

Fish and Wildlife Service, V. S. Department of the Interior, Laurel, Maryland

(Received for publication August 19, 1949)

The percentage of dietary calcium necessary for optimumreproduction in gallinaceous birds depends on the number of eggs laid, the quantity of feed consumed, and the phosphorus content of the diet