We intend to study the effect of different avian species' competitive exclusion culture on salmonella colonization, immunity and serum biochemical values of broiler chickens.
本文旨在研究不同禽类竞争性排斥培养物对肉鸡沙门氏菌定植、免疫力及血液生化指标的影响。
2
This is an important distinction because the efficacy of a live priming vaccine could be affected by existing immunity to the microorganism and to related species.
区分这个很重要，因为初次免疫的功效会受到已经存在的针对该细菌或者相关细菌的免疫性的影响。
3
Belonging to Araliaceae ginseng species, ginseng is a traditional precious herb, and has the functions of enhancing immunity, anti-tumor, anti-atherosclerosis to protect the myocardium.