【摘要】 猪场免疫效果好坏是关系到养猪成败的关键环节之一。文章从疫苗的质量、保存及使用方法等方面分析了猪场免疫失败的原因,并针对问题提出了几点提高猪场免疫效果的措施。更多还原

【Abstract】 The immunization effect is one of the key links which affect on pig feeding.In this study,the reasons of the immunization failure including quality,preserving approach and appling methods of vaccine were analyzed and a few measures of improving immunization effect were proposed.更多还原