American poultry world . producing shape, color, or in building up a strain of pro-lific producers, he neglects or overlooks the health typeand breeding for health, thereby placing a stumblingblock in his own pathway to ultimate success. In the selection of breeding stock the possession of goodhealth, sound constitutional vigor, should outweigh allother qualifications. Too often birds are selected that lackstamina and are bred because of Standard qualities whichthe breeder is unwilling to sacrifice to the requirementsof breeding for good Figure 2 A—Strong and B—Weak White I,eghoni chi
American poultry world . producing shape, color, or in building up a strain of pro-lific producers, he neglects or overlooks the health typeand breeding for health, thereby placing a stumblingblock in his own pathway to ultimate success. In the selection of breeding stock the possession of goodhealth, sound constitutional vigor, should outweigh allother qualifications. Too often birds are selected that lackstamina and are bred because of Standard qualities whichthe breeder is unwilling to sacrifice to the requirementsof breeding for good Figure 2 A—Strong and B—Weak White I,eghoni chickens vhenthey have completed their first chick plumage. Published by courtesyof New York State Agricultural College, Cornell University. Figure i. A—Head of Barred Plymouth Rock male showing sexualvigor and masculine qualities. B—Head of Barred Plymouth Rockcapon (unsexed male) showing characteristic effeminacy. Note smallcomb, wattles, and elongated beak. This crow headed appearanceshown in head B is common in weak males. Published by courtesy ofNew York State Agricultural College, Cornell University. THE HEALTH TYPE For all practical purposes, the type of health andstrength and the type of weakness, of lacking bodily vigor,are easily differentiated. Do not mistake the purely ner-vous energy of closely bred thoroughbreds for an indica-tion of vigor. This may be simply the mettlesome spirit ofthe thoroughbred and alone is of no great value as a guideto health; combined with satisfactory physical qualities itis a desirable asset.
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Keywords: ., bookauthorcurtisgr, bookcentury1900, bookdecade1910, bookyear1910
