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Spontaneous Atherosclerosis of Bovine¹

Department of Veterinary Anatomy

Norman L. Jacobson

Department of Animal Science

Robert Getty

Department of Veterinary Anatomy, Iowa State University, Ames

ABSTRACT

The arterial wall has been investigated in many domestic animals (1–14). Atherosclerosis in domestic animals has been discussed by Dahme (2), and lipid deposition in abdominal arterial walls of ruminants has been reported by Likar et al. (7, 8). Stehbens (13, 14) found lipid deposition to be common in the cerebral arterial walls of sheep; however, he observed the condition (in very mild form) in only one of seven young adult steers.

Studies at Iowa State University have revealed that spontaneous vascular lesions occur in the abdominal aorta, and to a lesser degree in the thoracic aorta, of swine over one year of age (4, 11, 12) and in dogs over five years of age (5, 6). The present investigation was conducted to determine the occurrence of spontaneous atherosclerosis in both the thoracic and abdominal aortae of cattle.

Thirty cattle, three months to ten years of age, from Iowa State University herds were used.

¹ Journal Paper no. 5742 of the Iowa Agricultural and Home Economies Experiment Station, Ames, Iowa. Project no. 1671.