Farmer's magazine (January-December 1920) . n to fifteen eggs, or from fifteen to twenty days, for theear lobe to become entirely bleached out. After layingfrom thirty to forty eggs, or from sixty to seventy-fivedays, the beak also will become entirely free from pigment,while in case of the shanks it will require from seventy-five to eighty eggs, or from one hundred to one hundredand twenty days for them to become practically free fromyellow. It requires somewhat longer for the PlymouthRocks, Wyandottes or Rhode Island Reds to bleach out,depending, however, upon how fat they were when they \yf
Farmer's magazine (January-December 1920) . n to fifteen eggs, or from fifteen to twenty days, for theear lobe to become entirely bleached out. After layingfrom thirty to forty eggs, or from sixty to seventy-fivedays, the beak also will become entirely free from pigment,while in case of the shanks it will require from seventy-five to eighty eggs, or from one hundred to one hundredand twenty days for them to become practically free fromyellow. It requires somewhat longer for the PlymouthRocks, Wyandottes or Rhode Island Reds to bleach out,depending, however, upon how fat they were when they \yfANY of the hens on the Canadian^^^ farms are of the American or Leg-horn breeds, and these are denoted by apredominance of yellow pigment in thebeak, shanks and skin. The co-relationbetween this yellow pigment and egg-laying activity in the domestic fowl isvery marked. When a fowl begins tolay, her requirements for fat and yellowmaterial for the yolk become excep-tionally great. The ordinary ration doesnot supply the amount needed for both. began laying and upon their amount of production,soon as a hen stops laying she quickly takes on pigmention again, and it comes back in the same order as to bosections as that in which it left. It reappears, howevdecidedly more rapidly than it was withdrawn. Tlwhen you find a hen with bleached-out shanks in the 1fall you are safe in assuming that she is a high produc :S Large Abdominal Capacity Necessary A NOTHER test of the productiveness of a hen is?^^ dominal capacity. Some hens are physicallyconstructed that they can never be anything but infilayers. The Hogan system of selecting the beetyielders is based on the measurements of the pelvicThis arch is the bony framework at the rear part offowls body, and consists of three pairs of bones on ei(side of the back bone, forming an incomplete circle throiwhich the egg passes. In the fowl about to begin la;it will be found that the bones of the pelvic arch sh(more or less increased spread, the p
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear