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  • Title: [Dynamics of the acid-base balance of venous and arterial blood in clinically healthy calves].
    Author: Slanina L, Nagy O, Sedovic M, Struháriková J.
    Journal: Dtsch Tierarztl Wochenschr; 1992 May; 99(5):182-6. PubMed ID: 1638961.
    Abstract:
    Values of the acid base balance were examined in both venous and arterial blood of healthy calves (n = 6) of the Slovak Spotted breed aged, 3, 6, 8, 10, 12, 14, 18, and 24 weeks, respectively. Until week 4 of age the animals were fed milk only, until the age of 9 weeks a milk-roughage transition fodder and from week 10 on they were given classical herbage. Blood samples were taken from the V. jugularis and A. carotis communis or A. axillaris, respectively. The results achieved were corrected to a body temperature of 39 degrees C. During the examination period the following values were stated for both arterial and venous blood: actual acidity (pH) 7.391 +/- 0.014 and 7.362 +/- 0.013 logmolc, pCO2 6.35 +/- 0.15 and 7.35 +/- 0.11 kPa, HCO3-28.38 +/- 1.42 and 30.32 +/- 1.02 mmol. l(-1), ABE 3.57 +/- 1.44 and 4.34 +/- 1.09 mmol. l(-1); pO2 12.63 +/- 1.15 and 5.21 +/- 0.73 kPa, SAT 95.8 +/- 1.03 and 61.2 +/- 9.59%, respectively. A gradual increase in most indices of the acid base balance could be stated both in arterial and venous blood. The trends either revealed a parallel increase (HCO3-, pH) or they were more pronounced either in venous blood (SAT) or in arterial blood (ABE, pO2). Some trends were almost balanced (pCO2 and pO2 in venous blood and SAT and pCO2 in arterial blood). Thus pH, pO2 and SAT indices of the acid base balance were higher in arterial blood as compared to venous blood while pCO2, HCO3- and ABE values were higher in venous blood.(ABSTRACT TRUNCATED AT 250 WORDS)
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