饲料工业2026，Vol.47Issue(10)：65-70,6.DOI:10.13302/j.cnki.fi.2026.10.011
五倍子提取物对大口黑鲈生长性能、肠道组织及酶活性的影响
Effects of Gallnut Extract on Growth Performance,Intestinal Tissue and Enzyme Activity of Micropterus salmoides
摘要
Abstract
Investigating the effects of gallnut extract on the growth and development of Micropterus salmoi-des.Selecting 450 vigorous individuals with an initial weight of(10.23±0.05)g,divided into 5 groups,each with 3 replicates,and each replicate containing 30 individuals.Each group is fed a diet supplemented with five different concentrations of galla chinensis extract:0(A),0.125％(B1),0.25％(B2),0.375％(B3)and 0.5％(B4),over a trial period of 90 d.The experimental results indicate that:① compared to the A group,the feed conversion ratios(FCR)for the B1,B2,and B3 groups significantly decreased(P<0.05),while the final spe-cific growth rates(SGR),weight gain rates(WGR),and final body weights(FBW)for each group significantly increased(P<0.05).② There aren't any big differ-ences in moisture,crude ash,crude protein,and crude fat between the groups(P>0.05).③ Com-pared with the F0 group,there was no significant effect on amylase and trypsin activities in any group(P>0.05),but the lipase activities in the B1 and the groups went up a lot(P<0.05).④ There are no significant differences in superoxide dismutase(SOD),alkaline phosphatase(AKP),and acid phosphatase(ACP)among the groups(P>0.05).⑤ Compared with group A,the number of B3 foregut villi was significantly increased.In summary,adding an appropriate amount of five-needle pine extract to the feed of the Micropterus salmoides can effectively improve intestinal tissue morphology and reduce the feed conversion ratio.Based on the weight gain rate as the evaluation index,the suitable addition level of five-needle pine extract is 0.375％.关键词
五倍子提取物/大口黑鲈/生长性能/特定生长率/肠道健康Key words
galla chinensis extract/Micropterus salmoides/growth performance/specific growth rate/intesti-nal health分类
农业科技引用本文复制引用
张福佳,孔秋宏,罗仕立,刘巧,陈敦学,杜强,周贤君..五倍子提取物对大口黑鲈生长性能、肠道组织及酶活性的影响[J].饲料工业,2026,47(10):65-70,6.基金项目
贵州省科技计划项目[黔科合支撑[2023]一般046、黔科合支撑[2022]一般130] （）
