. Animal castration, a book for the use of students and practitioners; . months, care beingtaken to spay before the heifer becomes pregnant. Season—Spring and fall. Spaying should be done in the springbefore flies appear, and in the fall after they disappear. Not ad-visable to operate during fly time. Preparation—Withhold feed for 24 hours previous to operat-ing in order to have alimentary tract comparatively empty. Waterin limited amount may be allowed. Position—Stan ding. Restraint—Spaying stocks (Fig. 139) are ideal means of re-straint. When stocks are not available the quickest and at the
. Animal castration, a book for the use of students and practitioners; . months, care beingtaken to spay before the heifer becomes pregnant. Season—Spring and fall. Spaying should be done in the springbefore flies appear, and in the fall after they disappear. Not ad-visable to operate during fly time. Preparation—Withhold feed for 24 hours previous to operat-ing in order to have alimentary tract comparatively empty. Waterin limited amount may be allowed. Position—Stan ding. Restraint—Spaying stocks (Fig. 139) are ideal means of re-straint. When stocks are not available the quickest and at the Animal Castration 171 same time one of the best methods of restraint is to tie head to gatepost and have an assistant draw tail between slats of gate abovethe animal. (See Fig. 144). The object in using crack above theanimal is to prevent lying down. A good strong assistant by trac-tion on tail can hold animal against gate in such manner as to limitmovement from side to side and up and down. In this position theflank region is readily available for Fig. 144—Restraint of Heiier for Flank Operation. Instruments—1. Hairclippers. (Fig. 145.) 2. Curved head spaying emasculator. (Fig. 146.) This is byfar the most satisfactory instrument yet devised for flank is easy to handle, takes up very little space in the incision andabdominal cavity, besides controls hemorrhage perfectly. Twoother spaying emasculators (Figs. 147 and 148) are fairly satis-factory. Especially is Figure 147 a good one. 3. Farmer Miles hook castrating knife (Fie. 25), or Jami-sons spaying knife (Fig. 149). The author prefers the Milesknife. 4. Suturing fork. (Fig. 150.) The object of this fork is tohold edges of skin wound while the needle is being thrust through. 172 Animal Castration It is also provided with a knife for purpose of cutting suturematerial. 5. Suturing needle. There are two needles suitable for pur-pose of closing the wound: (a) Miles palm needle (Fig. 151),and Moo
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