鉴定和挑选持续感染动物 Identify persistently infected animals and cull 免疫程序 Vaccination program 用于未怀孕牛 Use in non-pregnant cattle ..
2
?免疫计画
稚鱼之免疫时间及 免疫计画 ( vaccination program )需经了解稚鱼免疫系统之发 育,并需待其成熟后方得免疫.
双语例句
1
The foremost recommendation is to discuss the vaccinationprogram with your veterinarian. Don't be hesitant to ask questions about the pros and cons of vaccinations.
首先的建议是跟你的兽医商讨免疫程序。不用犹豫问清楚有关疫苗的好的或是坏的作用。
2
Despite an ever increasing array of antimicrobial agents and an expanding vaccinationprogram, infectious diseases remain an important cause of morbidity and mortality in children.
尽管增加系列抗菌代理人和一个扩大的接种疫苗计画，传染病在孩子里保持一个病状和死亡率的重要的原因。
3
Smallpox had caused millions of deaths and much suffering for centuries, but once the agency set out to eradicate it, WHO personnel traveled the world to conduct a massive vaccinationprogram.