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首页> 外文期刊>Fish Physiology and Biochemistry >Effect of yeast polysaccharide on some hematologic parameter and gut morphology in channel catfish (Ictalurus punctatus)
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Effect of yeast polysaccharide on some hematologic parameter and gut morphology in channel catfish (Ictalurus punctatus)

机译：酵母多糖对channel鱼某些血液学参数和肠道形态的影响

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摘要

A study was conducted to investigate the effect of dietary yeast polysaccharides on some hematologic parameters and intestinal morphology of channel catfish. Channel catfish were fed diets containing yeast polysaccharides at 0 (control), 0.1, 0.2, or 0.3% for 7 weeks. Each diet was provided to 10 channel catfish specimens (5.82+or-0.13 g initial weight) replicated 3 times in individual 250 L fiberglass tanks. Some hematologic parameters, leukocyte phagocytic activity, and intestinal morphology were monitored. After 7 weeks of trial, 0.2% yeast polysaccharides resulted in significantly higher (P<0.05) monocyte numbers. Furthermore, fish fed 0.2% yeast polysaccharide diet had higher (P<0.05) phagocytic rate of leukocyte. And 0.3% yeast polysaccharide enhanced (P<0.05) phagocytic index of leukocyte. Histological evaluation showed yeast polysaccharide supplementation increased the height of intestine fold (0.1, 0.2 and 0.3%) and the thick of muscular layers (0.2%) in intestine (P<0.05). In addition, 0.1 and 0.3% yeast polysaccharide supplementation improved the number of goblet cells (P<0.05). The results of this trial indicate that yeast polysaccharides supplementation could affect blood monocytes, improve leukocytes phagocytic activity, and the development of intestine in channel catfish.
机译：进行了一项研究，以研究膳食酵母多糖对channel鱼某些血液学参数和肠道形态的影响。向鱼喂饲含酵母多糖（对照（0％），0.1％，0.2％或0.3％）的饲料，持续7周。每种饮食都提供给10个channel鱼样本（初始重量为5.82 +或-0.13 g），并在各个250 L玻璃纤维水箱中重复3次。监测一些血液学参数，白细胞吞噬活性和肠道形态。经过7周的试验，0.2％的酵母多糖导致单核细胞数量显着增加（P <0.05）。此外，饲喂0.2％酵母多糖饮食的鱼的白细胞吞噬率更高（P <0.05）。 0.3％的酵母多糖可增强白细胞吞噬指数（P <0.05）。组织学评估显示，添加酵母多糖可增加肠道的折叠高度（0.1％，0.2％和0.3％）和肌肉层的厚度（0.2％）（P <0.05）。此外，添加0.1和0.3％的酵母多糖可改善杯状细胞的数量（P <0.05）。该试验的结果表明补充酵母多糖可能会影响blood鱼的血液单核细胞，改善白细胞的吞噬活性以及肠道发育。

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