甜菜碱促进淡水白鲳生长的机制

被引:7
作者
陆清儿
李行先
李忠全
机构
[1] 杭州市水产科学研究所
[2] 杭州市水产科学研究所 浙江 杭州
[3] 浙江 杭州
关键词
淡水白鲳; 生长; 盐酸甜菜碱;
D O I
暂无
中图分类号
S963 [水产动物饵料及其营养];
学科分类号
090502 ;
摘要
以淡水白鲳为试验对象,研究并探讨了盐酸甜菜碱促进淡水白鲳生长的机制。试验结果表明,盐酸甜菜碱能促进淡水白鲳生长,降低饲料系数,提高饲料利用率;在生理上,能提高血清中T3、胰岛素及血清白蛋白的含量,极显著降低血清中尿素氮的含量;组织切片图显示:甜菜碱可使小肠绒毛和傲绒毛高度、密度及分布均匀度明显提高,对肝细胞超微结构无不良影响。试验结果提示:甜菜碱使T3和胰岛素分泌增加,通过神经-内分泌水平调控机体代谢活动,实现其促进生长等功能,还使消化道形态产生有益的变化。
引用
收藏
页码:564 / 569
页数:6
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