Cases of omasal dilation and displacement in 4 dairy cows are described. The disease was initially diagnosed by a combination of history and clinical signs that included right-sided abdominal distension, rectal palpation, and decreased milk production. The condition was confirmed by laparotomy or necropsy.
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Omasal dilation and displacement in 4 Holstein dairy cows.
Can Vet J
April 2009
Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, 14853 USA.
Cases of omasal dilation and displacement in 4 dairy cows are described. The disease was initially diagnosed by a combination of history and clinical signs that included right-sided abdominal distension, rectal palpation, and decreased milk production. The condition was confirmed by laparotomy or necropsy.
View Article and Find Full Text PDFIn review of the case records of all cattle greater than or equal to 2 years of age admitted to the Large Animal Hospital of the New York State College of Veterinary Medicine in a 3-year-period, 366 were identified as having areas of right side tympanitic resonance (ping) due to gas distention of intra-abdominal structures. The source of the ping was identified as abomasum in 137 cattle, various segments of the intestinal tract in 157 cattle, and peritoneal gas in 2 cattle. In 70 cattle, no identification was made as to the source of the ping.
View Article and Find Full Text PDF1. The mechanical activity of different parts of the omasum was recorded by means of small balloons and/or strain-gauges in conscious sheep. These events were related to the electrical activity of the omasal body, the omasal groove and the leaves and to the changes in diameter of the reticulo-omasal orifice.
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