The preliminary study of the selected immune and physiologicalparameters in diploids and triploids of Carassius auratus
2009
The aim of the study was to analyse the selected immune and
physiological parameters in diploids and triploids of C. a.
gibelio, triploids of C. a. langsdorfii as well as the hybrids
between C. a. gibelio and C. carassius and hybrids between C.
a. gibelio and C. carpio. Following physiological and immune
parameters were analysed: differential leukocyte counts,
erythrocyte count, spleen size, luminescence analysis of
oxidative burst, bacteriolytic activity of complement system,
lysozyme concentration in skin mucus, condition factor, gonad
size and gonado-somatic index. The erythrocyte count decreased
significantly with increasing ploidy level. The highest
lysozyme concentration in skin mucus was found in diploids of
C. a. gibelio comparing to C. a. langsdorfii and hybrids. The
luminescence analysis of oxidative burst revealed the highest
values in diploids of C. a gibelio and hybrids C. a. gibelio
and C. carassius. Concerning to bacteriolytic activity of
complement system the highest activity was found in both
diploids and triploids of C. a. gibelio. The smallest values of
bacteriolytic activity of complement system was found in C. a.
langsdorfii. The preliminary analyses suggest that the imunity
of C. a. gibelio is weakened compared to triploids of C. a.
gibelio and C. a. langsdorfii and interspecies hybrids of C. a.
gibelio.
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