The Journal of Medical Research Volume 8

The Journal of Medical Research Volume 8

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ...each assistant holding an extremity. In five hours' actual work with one microscope, ninety were examined. In this way one hundred and seventy-eight were examined and nineteen found trichinous, or ten and seven-tenths per cent of the entire herd of swine. The condemned swine were later autopsied and the muscle previously examined was, as a rule, found as thickly sown with the trichinae as any other portion of the carcass excepting the diaphragm. The tongue was almost invariably infected. None were found in the heart muscle. The fat only of the above nineteen was made use of. This apparent waste would seem justifiable, as I shall quote cases apparently caused by supposedly thoroughly cooked pork. There were several pens of sixteen to eighteen swine in which no trichina; were found; on the other hand, as a rule, three to four cases were frequently found herded together in a pen. The crowding together of large numbers would seem to favor the spread of trichinosis. During the winter months the swine are kept in pens numbering fifteen to twenty in each, but during the summer months are allowed more than an acre of pasturage. We do not expect all the mild cases among the swine were found and condemned on this first examination, as in certain instances repeated examinations of many muscles of a carcass are necessary before a single trichina is found. By thoroughly boiling all articles of food fed the swine, the exclusion of slaughter-house refuse, by cleansing the pens, and by the above process of elimination at intervals of as many diseased swine as possible, a decrease in trichinosis among our swine in the near future is anticipated. The following blood examinations were made at the time of slaughter from fifteen normal and fifteen trichinous...show more

Product details

  • Paperback | 182 pages
  • 189 x 246 x 10mm | 336g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236668251
  • 9781236668257