1) vaccine failure factor
免疫失败因素
3) immunity failure
免疫失败
1.
Cultivation of mink,fox and raccoon dog and prevention and cure of their nutrition metabolic and main infections diseases(quality of vaccine,protocol of usaqe and immunity and cause of immunity failure)were summarized in the paper.
主要对貂、狐、貉的养殖及一些长期存在的营养代谢病、主要传染病防治(疫苗质量,使用与免疫程序,免疫失败)进行归纳和总结。
6) immunologic factors
免疫因素
1.
CAN may be caused by immunologic as well as nonimmunologic factors.
导致CAN发生的原因主要包括免疫因素和非免疫因素。
补充资料:非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条