缓释复方免疫增强剂对雏鸡免疫功能各项

将40只14日龄蛋用雏鸡随机分成2组，每组20只，A组为对照组，颈部皮下注射新城疫疫苗0.2ml/只，B组为试验组，在颈部皮下注射新城疫疫苗的同时，每只雏鸡投服缓释复方免疫增强剂1粒（0.25 mg左右），在试验后10、20、30和40 d时检测的新城疫HI抗体效价、T淋巴细胞ERFC形成率、外周血T淋巴细胞ANAE阳性率，试验组显著高于对照组（P＜0.01），对免疫器官相对重量变化具有明显的促生长作用，对机体的囊体比和脾体比有一定的提高，但差异不显著（P＞0.05）。由此可见，研制的缓释复方免疫增强剂的免疫增强效果明显，持续时间长，同时还可促进机体的生长发育，是一种效果好、副作用小的新型免疫增强剂。

Study on the Effects of Sustained-release Compound Immunopotentiator on the Various Index of Immune Function in Chickens

40 egg-laying chickens of 14-day-old were randomly divided into two groups,control and treatment.There were 20 chicks in each group.Newcastle vaccines(0.2ml/chick) were injected to cervical subcutaneous of control,and treatment was not only injected Newcastle vaccines,but also fed sustained-release compound immunopotentiator(1 particle/chick).Treatment were noticeably higher(P<0.01) than control in Newcastle disease(ND) HI antibody valence,rate of ERFC and positive ratio of ANAE after detected in 10,20,30 and 40 d;in addition,the growth of relative weight of the immune organs on treatment could be obviously promoted,compared with control,and ratio of chicken bursa and spleen also did,but the difference of them was not obvious(P>0.05).Therefore,the sustained-release compound immunopotentiator developed was an effective and less side-effect immunopotentiator that had significant effect of immunoenhancement,disappeared slowly in delay phase,and as well could promote the growth of organism.