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Biochemical constituents of peritoneal fluid in cows
  1. T. Wittek, PD, DrMedVetHabil, DipECBHM, MRCVS1,
  2. A. Grosche, DrMedVet, DipBiol2,
  3. L. Locher, DrMedVet3,
  4. A. Alkaassem, DVM3 and
  5. M. Fürll, DrMedVetHabil, DipECBHM3
  1. 1Division of Animal Production and Public Health, Faculty of Veterinary Medicine, University of Glasgow, Bearsden Road, Glasgow G61 4EB
  2. 2Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, 2015 SW 16th Avenue, Gainesville, FL 32608-0136, USA
  3. 3Medizinische Tierklinik, Veterinärmedizinische Fakultät, Universität Leipzig, An den Tierkliniken 11, 04103 Leipzig, Germany
  1. E-mail for correspondence: t.wittek{at}


Samples of peritoneal fluid and jugular venous blood were taken simultaneously from 95 clinically healthy Holstein-Friesian cows. The concentrations of total protein, albumin, glucose, cholesterol, fibrinogen, L-lactate and D-dimer, the activities of lactate dehydrogenase (LDH), alkaline phosphatase and creatine kinase, and the white blood cell count were determined in the samples. Light's criteria, the serum-ascites albumin gradient (SAAG) and the ratios of the concentration of each parameter in peritoneal fluid to its concentration in blood were calculated. The mean concentrations of total protein, albumin and D-dimer, the activity of LDH and the SAAG were different from the reference values for monogastric animals and human beings.

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