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- W580164868 abstract "以初始体质量约35g的异育银鲫（Allogynogenetic silver crucian carp）（Carassius auratus gibelio♀×Cyprinus carpio♂）为研究对象,以鱼粉为对照饲料,研究了摄食含30%豆粕饲料8周后的生长性能及实验前（0周）、3周和8周后肠道显微结构的变化。结果表明：1）与对照组相比,30%豆粕显著降低鲫鱼的增重率和特定生长率（P〈0.05）;2）组织切片显示：摄食30%豆粕3周后鲫鱼前、中、后肠较0周时黏膜皱襞受损,边缘糜烂,出现缺刻,皱襞间质变宽且有大量淋巴细胞浸润,黏膜上皮细胞核排列紊乱,肌层明显变薄;3）扫描电镜显示：较0周时前肠和后肠黏膜皱襞间距明显变宽,黏膜皱襞间可见脱落组织,中肠黏膜皱襞间距未见明显变化,但黏膜上皮结构糜烂。8周后肠道受损症状却有所减轻。上述结果表明,异育银鲫对豆粕中致敏因子比较敏感,但随着作用时间延长可产生一定的适应性。本研究旨在为异育银鲫人工饲料配方的优化提供科学依据。" @default.
- W580164868 created "2016-06-24" @default.
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- W580164868 date "2010-01-01" @default.
- W580164868 modified "2023-10-12" @default.
- W580164868 title "豆粕对异育银鲫（方正银鲫♀×兴国红鲤♂）生长性能及肠道形态的影响" @default.
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