Studies on Species Variation of Blood Sedimentation in Domestic Animals:Variation of Erythrocyte Sedimentation Curve

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In order to ascertain species variation of erythrocyte sedimentation curve in healthy and sick domestic animals, blood sedimentation rate was measured in 14 horses, 23 swine, 25 dogs, 24 cows, 26 sheep and 23 goats. In all instances, 4 parts of blood was drawn from jugular vein into a syringe, containing 1 part of 3.8% sodium citrate solution, but in swine blood only, samples were collected at the occasion of bleeding in slaughter-house. These citrated blood samples were drawn up into Westergren tube and left in water bath at 20°C. Blood sedimentation rate was measured at the range from 5 minutes to 24 hours. Principal results obtained are given in Fig. 1-6 and Table 1 in Japanese text.The erythrocyte in horses settled most quickly, whereas in ruminants the sedimentation rates were the slowest. The rates in swine and dogs lay between them.The erythrocyte sedimentation curves in dogs and swine varied largely, whereas in horses and ruminants the variation were small. If the sedimentation curves in domestic animals were grouped into the five types, the occurence of these types among species measured could be given as that shown in Table 2 in the text.
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