The mating and breeding of poultry . good chance to make a recordof 200 eggs or better. CHAPTER IV THE AMERICAN CLASS The Plymouth Rock The Plymouth Rock is a good sized, upstanding fowl, withbody of good length, good breadth and depth. There is aconsiderable tendency for individuals of both sexes to be toosmall, and this can only becorrected by selecting fowls ofstandard weight as should not, on the otherhand, be used which are morethan one or two pounds overweight, as such unusuallylarge birds alniost invariablyget away from good PlymouthRock type. The Plymouth Rock shouldnot
The mating and breeding of poultry . good chance to make a recordof 200 eggs or better. CHAPTER IV THE AMERICAN CLASS The Plymouth Rock The Plymouth Rock is a good sized, upstanding fowl, withbody of good length, good breadth and depth. There is aconsiderable tendency for individuals of both sexes to be toosmall, and this can only becorrected by selecting fowls ofstandard weight as should not, on the otherhand, be used which are morethan one or two pounds overweight, as such unusuallylarge birds alniost invariablyget away from good PlymouthRock type. The Plymouth Rock shouldnot be stilty, that is, too longin shank. The bird wants tostand strongly on legs set wellapart. There should be notendency to a knock-kneedcondition, but this is by nomeans rare and is quitetroublesome. See Fig breast should be full andwell rounded, not flat. IMalesare particularly likely to belacking in breast. See Fig. 29. A long keel is desired and the body should have goodwidth. Birds with narrow bodies should be avoided as. Fig. 28. A knock-kneed male. r Photograph from the Bureau of Animal Industry. United States Department of Agriculture.) 69 70 THE MATING AND EREEDIXG OF POULTRY breeders, since they are not typical Plymouth Rocks. Abody set too low on legs, too deep from back to hock, or, inother words, body approaching too closely the Orpingtonin type, or with a tendency to be baggy, should be avoided. The comb ofthe male shouldbe fairly small,with a well-turned blade andfive points. Thecomb of themale follows thecurve of thehead in generaloutline, but theblade should notfollow the necktoo fivepoints are de-sired, fourpoints, becauseof the relativelysmall size of thecomb, are notbad, as theytend to form as y m m e t r icalcomb. In some cases, a six-point comb may prove to besymmetrical also. It is better to use a male with a four-point comb than one with six points, especially when thefemales to which he is to be bred carry combs with an extranumber o
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