File:Poultry production (1921) (14764722152).jpg

Identifier: poultryproductio00lipp (find matches)
Title: Poultry production
Year: 1921 (1920s)
Authors: Lippincott, William Adams, 1882-1931
Subjects: Poultry
Publisher: Philadelphia and New York, Lea & Febiger
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ps the organ without also grasping the bloodvessel, orthe tissues surrounding it, constitutes the whole trick of theoperation. Having grasped the testicle, twist the forcepsaround a couple of times and pull them out quickly. Removethe spreaders and allow the skin to cover the opening between THE BREEDING OF CHICKENS 105 the ribs, as iii Figure 42. In ten days there will be nothingleft but a shiny scar. It is customary to remove both testicles from one side.In that case it is better to remove the lower one first. Some-times there is a little bleeding which would hide the lowerone if the upper one was removed first. Beginners, however,will do well to make two incisions, one on each side, operat-ing at first on a dead bird. After doing this successfullyseveral times, one may tear away the membranes enoughto see the second testicle and remove both testicles throughthe same incision. In fact, one may become so proficientthat he can grasp both organs at once and remove themtogether. Fig. 44
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White Plymouth Rock capons. (Courtesy of Purdue Agricultural Experiment Station.) After the operation, the birds should be placed in a yard by themselves and fed on soft food for three or four days. After that time give them their regular rations. At the end of a week they may be turned in with the other chickens. A few of them will bloat during the first week. This is not serious, and is remedied by pricking the skin with a coarse needle or with the little blade of a pocket-knife. Spaying of Pullets.—The spaying of pullets is not practised for two reasons: they are more profitable as egg producers than as meat producers, and there would be no economic gain in performing the operation. A further and more 106 POULTRY PRODUCTION decisive reason is that because of surgical difficulties it is practically impossible to perform the operation successfully. It has been successfully accomplished a comparatively few times by trained investigators. Removing the ovary in its entirety usually results in the

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