Calcium and Phosphorus Requirements of Breeding
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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 optimum
reproduction in gallinaceous birds depends on the number of
eggs laid, the quantity of feed consumed, and the phosphorus
content of the diet