Phagocytic and bactericidal activity of blood thrombocytes in carps (Cyprinus carpio)

M. Stosik, W. Deptuła, M. Trávniček and K. Baldy-Chudzik
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M. Stosik: University of Zielona Góra, Zielona Góra, Poland
W. Deptuła: University of Zielona Góra, Zielona Góra, Poland
M. Trávniček: University of Zielona Góra, Zielona Góra, Poland
K. Baldy-Chudzik: University of Zielona Góra, Zielona Góra, Poland

Veterinární medicína, 2002, vol. 47, issue 1, 21-25

Abstract: The studies aimed at monitoring development of phagocytic and bactericidal activity in carps in the course of their ontogenetic development. The studies were performed using the techniques described by Mantur et al. (1986a, b), adapted to fish. Results were expressed in thrombocyte phagocytic index (Ipt), percentage of phagocyting thrombocytes (%tp), percentage of ingested bacteria (%bp) and in the index of intracellular killing by thrombocytes (Ibt). Number of thrombocytes was also examined using the technique of Dessi. Results of testing thrombocyte capacity to ingest the standard Staphylococcus aureus 209P strain showed that Ipt and %tp increased gradually in carps between the age of 3 and 17 months. In older carps, 19 to 29 months of age, as well as in spawners the growth in activity paralelled the ontogenetic development within Ipt values while %tp values remained at a similar level. Phagocytic activity of thrombocytes expressed in Ipt was reflected also by %bp values, which was particularly evident in fish aging 23 months to 5 years. In the case of Ibt, values of the index were not related in any way to stage of ontogeny or sex of the fish. Number of thrombocytes in carps aged 3 months to 5 years was increasing in parallel to their ontogenetic development.

Keywords: carp; thrombocytes; phagocytic ability; bactericidal aktivity (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlvet:v:47:y:2002:i:1:id:5798-vetmed

DOI: 10.17221/5798-VETMED

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