期刊论文

中文

上海海洋大学学报

1674-5566

2010

19

4

475-481

湖北省教育厅重点项目（D200618007）；

本校为第一机构

通过在鲫日粮中添加稀土壳聚糖螯合盐(rareearth-chitosan chelate, RECC),研究其对鲫(Carassius auratus L.)肠道发育的影响. 试验分为1个空白对照组和3个试验组,日粮中稀土壳聚糖螯合盐的添加量分别为0.00%、0.08%、0.16%和0.24%. 每组设3个重复,每个重复放养30尾鲫. 试验鲫初始平均体重为(5.04±0.08)g. 每日投喂2次(9:00,16:00),每次投喂量为每池鱼总重的0.5%~1.0%(投喂量据具体情况调节),养殖期60d. 试验期间水温(26.7±2.5)℃,自然光照,水体pH为7.1~7.8,溶氧＞4mg/L. 研究结果表明:添加RECC能改善鲫肠道形态结构. 添加RECC后肠道粘膜褶变细长,形状较均一,数目增多. 与空白对照组相比,0.08...

A feeding study was performed to investigate possible performance enhancing effects of the rare earth-chitosan chelate （RECC） on intestinal structure of Carassius auratus L. Three hundred and sixty individuals （about 5.0 g） were allotted to four dietary treatments： a control group and three RECC-treated groups. RECC-treated groups were supplemented with 800 mg,1 600 mg and 2 400 mg of RECC per kg feed respectively. Each group had three duplicates. The whole feeding period lasted for sixty days. Results are as follows： RECC added in diet p...