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Abstract

The objective of this study was to determine the applicability of the Migratest® kit for evaluating the chemotactic activity of peripheral blood neutrophils in goats. The experiment was performed on 14 goat kids aged 30±2 days, divided into two groups of 7 animals each: C - control group, and E – experimental group, supplemented with β-hydroxy-β-methylbutyrate (HMB), a typical immunostimulant which influences the phagocytic activity of peripheral neutrophils. The feed administered to experimental goat kids was supplemented with HMB at 40 mg/kg BW, whereas control goat kids were administered standard farm-made feed without supplementation. Blood was sampled from the jugular vein immediately before the experiment (day 0) and on experimental days 15, 30 and 60 to determine the chemotactic activity of peripheral blood neutrophils in goats. The results of the study indicate that the Migratest® kit can be used to evaluate the influence of immunomodulators on the chemotactic activity of peripheral blood neutrophils in goats. The results of the assay are most effectively presented by calculating the chemotactic index which accounts for the chemotaxis or migration of neutrophils in the presence or absence of a chemotactic factor, respectively, and the percentage of granulocytes that migrate towards fMLP. The results of both presentation methods appear to be identical.

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Authors and Affiliations

R. Wójcik
J. Małaczewska
E. Kaczorek-Łukowska

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