河南农业大学学报2011，Vol.45Issue(4)：432-436,5.
芦荟多糖对肉鸡免疫器官指数和新城疫疫苗免疫效果的影响
Effects of aloe polysaccharide on immune organ index and immune efficacy of vaccine against Newcastle disease in broiler
摘要
Abstract
To observe the effect of aloe polysaccharide(AP)on immune organs and immune efficacy of Newcastle disease(ND) vaccine in yellow broiler(broiler) ,AP solution was injected subcutaneously in amount of 3.75 ,7.50 ,11.25 ,15.00,0 mg each time per bird,respectively,while ND vaccine was inoculated. Effects of AP of different concentrations and injecting times on immune organ indexes and HI antibody titer in broilers vaccinated ND vaccine were studied. The results showed that AP could promote the growth of immune organs,increase the mass and indexes of thymus,spleen and bursa when injected to 5-day-old together with 1 dose live and 1/2 dose inactived ND vaccine,and enhance ND HI antibody titers of broilers vaccinated ND,especially the treatments of 3.75 ,7.50 mg AP per bird,in which effects were the most significant(P <0.05)on 35-day-old. AP improved immune organsand indexes when injected twice at 5 ,20-day-old,respectively,together with live ND vaccine,and the thymus indexes were significantly higher than those of the controled (P <0. 05) except the treatment of 15.00 mg AP per bird and the bursa indexes of all treatments were higher than those of the controled. AP also promoted ND HI antibody titer when injected twice at 5,20-day-old,respectively,together with live ND vaccine,ND HI antibody titers were higher than the controled after 15 days of first injection (20-day-old) .except the treatment of 15.00 mg AP per bird,especially the treatments of 3.75 mg AP per bird,in which effect was the most significant(P <0. 05) ,and ND HI antibody titers were significantly higher than those of the controled(P <0. 05) after 15 days of second injection(35-day-old) except the treatment of 11.25 mg AP per bird. It was proved that certain amount of AP can improve immune organs,enhance the immune efficacy of ND vaccine,and AP can be used as an immunopoten-tiator totether with ND vaccine.关键词
芦荟多糖/免疫促进剂/免疫器官指数/HI抗体滴度Key words
aloe polysaccharide/immunopotentiator/immune organs index/HI antibody titer分类
农业科技引用本文复制引用
冯元璋,古飞霞,袁朝霞,张雅君,刘胜洪,胡浪浪,徐磊..芦荟多糖对肉鸡免疫器官指数和新城疫疫苗免疫效果的影响[J].河南农业大学学报,2011,45(4):432-436,5.基金项目
广东省科技计划农业攻关项日(2007 A0203000022-8) （2007 A0203000022-8）
广东省农业科技推广专项资助项目(2130106) （2130106）
