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This study aims to investigate the effects of replacing different proportions of fishmeal with Antarctic krill (AK) on the growth performance, body composition and nonspecific immunity index of red swamp crayfish Procambarus clarkia. AK was used to replace 0 (control), 25%, 50% and 100% of the
An eight-week experiment was conducted to determine the effects of dietary fulvic acids (FAs) on the growth performance, digestive enzymes and nonspecific immunity of red swamp crayfish Procambarus clarkia. Three diets supplemented with three different levels of FAs (0.1, 0.5 and 1 g kg-1) were
This study aims to investigate the effects of Rhodiola rosea polysaccharide (RRP) on the growth performance and nonspecific immunity of red swamp crayfish Procambarus clarkia. RRP was prepared by hot water extraction and partly characterised by high-performance liquid chromatography and sugar