نوع مقاله : مقاله پژوهشی
نویسندگان
گروه شیلات، دانشکده شیلات و محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران.
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
The present study was carried out to investigate the effect of Padina astraulis hauck on common carp (Cyprinus carpio) mucus resistance indeces. According to this, a total of 250 fry with an average weight of 20±4 g in were introduced into four treatments each with three replications, including diet without algae (control), diet with 0.5% algae (Treatment 1), diet with 1% algae (Treatment 2) and diet with 2% algae (Treatment 3) and fed for 42 days. At the end of the feeding period, treatments wer exposured to silver nanoparticles at concentrations of 0.5%. At the end of experiment, sampling of fish mucus was performed. The results showed that the highest protein content of mucus was observed in 1 and 2% treatments and the lowest one in 0.5% treatment and control and there was no significant difference between treatments. The highest increase in lysozyme and ALP of the mucus were observed in 1 and 2% treatments and the lowest one in 0.5% and control group (P
کلیدواژهها [English]
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