...会大打折扣,所以,免疫疫苗前后添加适量的免疫营养健力源及多维,可以提高免疫效果;第二,猪群处于隐性感染(silent infection)又称亚临床感染状态,会严重影响免疫效果,所以建议疫苗免疫时,若感觉猪群状态不好,最好在免疫疫苗前15天使用抗生素5天,清除隐...
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The goose parvovirus generally does notcause the morbidity to big goose, but may cause the horizontal transmission in big goose withthe silent infection, continuous holding and expelling virus.
小鹅瘟病毒一般不引起大鹅发病,可使大鹅呈现隐性感染,持续带毒、排毒,从而造成病毒的水平传播。
参考来源 - 检测GPV抗体的间接ELISA方法的建立及初步应用·2,447,543篇论文数据,部分数据来源于NoteExpress
The symptoms of the disease are silent and often appear many years after infection.
该病的症状是隐性的,通常在感染多年以后才显现出来。
Because infection with these viruses initially presents no symptoms, it is a silent epidemic.
感染这些病毒初期并没有任何症状,因而这种感染是一种沉默的流行病。
Looking at the spider silent work, I was the spirit of the infection.
看着蜘蛛无声的工作着,我被它的精神感染了。
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