Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.

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Kupczyński R. , Chudoba-Drozdowska B. 2002. VALUES OF SELECTED BIOCHEMICAL PARAMETERS OF COWS’ BLOOD DURING THEIR DRYING-OFF AND THE BEGINNING OF LACTATION, EJPAU 5(1), #1.
Available Online: http://www.ejpau.media.pl/volume5/issue1/veterinary/abs-1.html

ABSTRACT

The research aimed at determing the values of selected hematological and biochemical parameters of cows’ blood characterized by acid-base equilibrium during their drying-off and the beginning of lactation. Acid-base equilibrium (RKZ) parameters and the level of hematological parameters were determined, and in plasma the following were determined: total protein and its fractions, glucose, macro-elements: Ca, inorganic P, Mg, Na, K and Cl as well as the following enzyme activity: AspAT, AlAT, AP and GGTP. All analyses were conducted three times: 4 weeks before delivery, one week and 4 weeks after delivery. The obtained results indicate that the drying-off period and the beginning of lactation do not influence the level of acid-base equilibrium parameters and hematological parameters, however they do influence enzyme activity, particularly AP and GGTP, which increased during the beginning of the lactation period. The status of acid-base equilibrium, glucose and total protein content in blood plasma of cows may c

Key words: cows, acid-base equilibrium, metabolic profile, hematological and biochemical blood parameters.

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