Current Aspects of Bovine Leukemia

Authors

  • J. A. House Biological Research Division, Pitman-Moore, Inc., Washington Crossing, N.J. 08560
  • F. L. Glover Biological Research Division, Pitman-Moore, Inc., Washington Crossing, N.J. 08560
  • C. House Biological Research Division, Pitman-Moore, Inc., Washington Crossing, N.J. 08560

DOI:

https://doi.org/10.21423/aabppro19757794

Abstract

Bovine leukemia (leukosis, lymphosarcoma) is a disease which has caused serious economic consequences in Europe. Apparently there are not as many herds in the United States that show as high a percentage of tumors as are found in European cattle. It is difficult to evaluate the actual incidence of the clinical disease in cattle in the United States. In 1974, 4,669 cattle carcasses were condemned because of lymphosarcoma (14). In general, we can assume that these cattle did not demonstrate clinical signs of lymphosarcoma before slaughter, but were condemned due to the presence of internal tumors since only five cattle were condemned on ante-mortem inspection. It is difficult to determine the number of cattle observed to have tumors and not sent to slaughter, but rather "condemned" by the veterinarian and sent for tankage from the farm.

Cover image of the Proceedings of the 8th Annual Convention: Cover image is sectioned out from top to bottom blocks of red, white, and blue. Top red section has the text for the theme of this years convention; middle white section has a red and blue star logo with the date range 1776-1976; bottom blue section has the proceeding convention number, date, and location.

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Published

1975-12-13

Issue

1975

Section

Appendix