Anatomopathological Changes Induced by Mycotoxins
2023
Emil Tirziu | Ileana Nichita | Ciceronis Cumpanasoiu | Daniela Mot | Radu Valentin Gros | Monica Seres | Magdalena Simona Muntean
Fungi or mycetes represents the biggest group of microorganisms from the entire biologic system (nearly 250.000 species), very widespread in nature. They are inferior vegetal organisms, heterotrophic, lacking chlorophyll or other trophic pigments, which grow up on live organic substrates or on decaying substrates. The intensive researches from the last two decades had proved that only 30 – 40% from the total number of fungi species is capable to synthesize some toxic metabolites, and, among this species, only 60 species had proved to be dangerous for human or animals. Researches about mycotoxins action upon factors that interfere with the natural or acquired immunity are relatively recent and most of them refer to aflatoxins. The immune-suppression phenomena rely on morphological and histological modifications of lymphoid organs, changes of blood parameters, changes of functional capacity of humoral and some cellular factors. The presence of mycotoxins in feed causes major economic losses, either by their direct action (defined by disease state) or indirectly, by affecting the specific and nonspecific resistance of the organism. In the present study we studied the effect of aflatoxins upon the main organs involved in immune response, pathological changes induced by mycotoxins. To determine the influence of mycotoxins on food conversion, weighings were made at the beginning and the end of the experimental period.
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