Veterinary obstetrics, including the diseases of breeding animals and of the new-born . hat no rotation should occur, in manycases, and consequently that the fetus may develop transverselyand, without rotation, present transversely at the time of partu-rition. Handling. Version, as described on page 634, is usuallythe best and most effective method of handling. In almost everycase it succeeds well. Should this fail, it may be necessary toperform detruncation in the lumbar region. The detruncationis to be accomplished chiefly with the chisel, severing first the786 Traiisverse Presentations 787
Veterinary obstetrics, including the diseases of breeding animals and of the new-born . hat no rotation should occur, in manycases, and consequently that the fetus may develop transverselyand, without rotation, present transversely at the time of partu-rition. Handling. Version, as described on page 634, is usuallythe best and most effective method of handling. In almost everycase it succeeds well. Should this fail, it may be necessary toperform detruncation in the lumbar region. The detruncationis to be accomplished chiefly with the chisel, severing first the786 Traiisverse Presentations 787 spinal column. The soft parts may be most conveniently sev-ered with the finger knife. Evisceration, page 648, should fol-low. The posterior half may be secured by means of a rope nooseabout the lumbar vertebrae, or by hooks or cords applied insidethe pelvis. It may prove necessary to extend the embryotomy to includethe destruction of the pelvic girdle, pages 661 and 649. Inother cases, the posterior half of the fetal body may be repelled,and converted into a posterior Fig. 137. Dorsal (Franck). The anterior half is to be managed in a similar manner. Afterevisceration it may be desirable to sever the ribs, page 656, soas to permit the fetal chest to collapse. The remnant may nowbe extracted by securing the dorsal vertebrae by means of a cordand exerting traction upon it. In some cases it may be practicable or preferable to convertthe anterior half into the anterior presentation. In one instance occurring in our practice, due to abortion ina mare, the fetus was in the dorsal transverse presentation, withits upper hind leg extended over its back into the pelvic leg could not be returned into the uterine cavity, and con-sequently detruncation was effected, after which it was easy toconvert the posterior half into a posterior presentation, and thetwo pieces were readily removed. 788 Veter7iary Obstetrics b. Ventral Transverse Presentation. Mo
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