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中文摘要：
精氨酸是目前发现的动物细胞内功能最多的氨基酸,几乎哺乳动物机体中所有组织均利用L-Arg合成细胞浆蛋白和核蛋白,L-Arg在细胞分裂、伤口复原、蛋白质合成和分泌激素等生理过程起着重要的作用。精氨酸作为必需氨基酸,在怀孕母猪和幼龄仔猪及猪在病理状况下,内源合成不能满足其需要。根据传统的营养标准（NRC1998）配制的日粮,精氨酸不能满足猪的需求,额外添加精氨酸可提高猪的生产性能。由于精氨酸与赖氨酸、色氨酸、组氨酸的吸收存在拮抗效应及价格昂贵,限制了精氨酸的使用。精氨酸生素可激活从谷氨酰胺和脯氨酸生成精氨酸的生化过程,促进精氨酸的内源生成。日粮添加精氨酸或者精氨酸生素,均有助于提高妊娠母猪的产活仔数及出生窝重、提高哺乳仔猪的增重及减少断奶应激。文中就精氨酸的代谢、调控及精氨酸和精氨酸生素在猪营养中的应用,特别是精氨酸与胚胎发育、新生动物蛋白合成和生长、仔猪肠道健康和疾病感染调控等方面的研究成果作一综述。
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