The seasonal changes of innate immunity of tench, Tinca tinca (L.) with different ploidy level

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Publikace nespadá pod Pedagogickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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TOLAROVÁ Soňa DÁVIDOVÁ Martina VETEŠNÍKOVÁ ŠIMKOVÁ Andrea MARTIN Flajšhans HYRŠL Pavel

Rok publikování 2014
Druh Článek v odborném periodiku
Časopis / Zdroj Aquaculture
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Doi http://dx.doi.org/10.1016/j.aquaculture.2014.04.006
Obor Imunologie
Klíčová slova Tench; Innate immunity; Seasonal changes; Host ploidy status; 11-Ketotestosterone
Popis The study analysed the effect of fish ploidy level and seasonality on hematological parameters and innate immune response of tench (Tinca tinca, Cyprinidae), fish species extensively bred in European aquaculture. Fish samples were collected from breeding pond in Vodňany (Czech Republic) during four sampling periods (September, December, March and June). All measured hematological parameters (erythrocyte and leukocyte count, hematocrit, hemoglobin concentration) were strongly affected by the season and fish ploidy status. The effect of sex was found only in leukocyte count. Blood innate immunity measured by respiratory burst activity of phagocytes and complement activity differed among seasonal samples. Moreover, respiratory burst activity differed between diploid and triploid tench and the trend of ploidy effect was found also for complement activity. Lysozyme activity in skin mucus was affected only by the season. No effect of sex on innate immunity was observed. The level of stress measured as glucose concentration showed seasonal changes, whilst no significant difference in glucose between diploid and triploid tench was found. The same trend was observed also for 11-ketotestosterone in males. Our study demonstrated the seasonal variation in haematological and innate immunity parameters of tench and indicates the differences in these parameters between diploid and triploid form of tench.
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