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| 2种疫病感染情况下猪瘟母源抗体消长规律的测定 | |
| 引用本文： | 陈亚敏,杨鹤峰,周碧君,陈军义,王开功,文明,程振涛,岳筠,张双祥.2种疫病感染情况下猪瘟母源抗体消长规律的测定[J].贵州农业科学,2009,37(11). |
| 作者姓名： | 陈亚敏 杨鹤峰 周碧君 陈军义 王开功 文明 程振涛 岳筠 张双祥 |
| 作者单位： | 1. 贵州大学,动物科学学院,贵州,贵阳,550025 2. 贵州省六盘水市兽医防治检疫站,贵州,六盘水,553000 3. 贵州大学,动物科学学院,贵州,贵阳,550025;贵州省动物疫病研究所,贵州,贵阳,550025 4. 贵州省农业委员会,贵州,贵阳,550001 |
| 基金项目： | 贵州省科技支撑计划项目(农业攻关) "贵州省猪繁殖与呼吸综合症防控研究与应用"，贵州省科技厅重大专项子课题"种猪场主要疫病免疫程序与生物安全程序研究"，国家科技部支撑计划子课题"疫病防控技术集成与推广"，贵州省农业厅兽医科技计划项目"2009年贵州省主要动物疫病免疫监测研究"，贵阳市农业局科技计划项目"贵阳市猪蓝耳病疫苗免疫效果评价 " |
| 摘 要： | 为了确定2种疫病感染情况下仔猪猪瘟疫苗的首免日龄,采用ELISA方法,测定了不同日龄仔猪的猪瘟母源抗体,并分析其消长规律.结果显示,隐性感染PRRSV的免疫猪瘟疫苗(6头份/头)母猪所产仔猪的猪瘟母源抗体阳性水平在10～14 d为100.0%(25/25),15～19 d为81.5%(22/27),20～24 d为77.8%(21/27),25～29 d为67.7%(21/31),30～34 d为58.6%(17/29),35～39 d为50.0%(16/32);而感染过SFV的猪场的母猪所产仔猪母源抗体阳性水平在5 d、10 d、15 d和20 d均为100.0%(20/20),至30 d抗体阳性水平骤降为80.0%(16/20).根据母源抗体消长规律,确定了隐性感染PRRSV的猪瘟疫苗免疫母猪所产仔猪的首免日龄为20～24 d;而感染过SFV猪场的母猪所产仔猪为30～35 d. |
| 关 键 词： | 隐性感染 首免日龄 母源抗体 |
Determination of Dynamic Changes of Maternal Antibodies for Piglets of Swine Fever Infected by Two Kinds of Epidemics |
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| CHEN Ya-min,YANG He-feng,ZHOU Bi-jun,CHEN Jun-yi,WANG Kai-gong,WEN Ming,CHENG Zhen-tao,YUE Jun,ZHANG Shuang-xiang.Determination of Dynamic Changes of Maternal Antibodies for Piglets of Swine Fever Infected by Two Kinds of Epidemics[J].Guizhou Agricultural Sciences,2009,37(11). | |
| Authors: | CHEN Ya-min YANG He-feng ZHOU Bi-jun CHEN Jun-yi WANG Kai-gong WEN Ming CHENG Zhen-tao YUE Jun ZHANG Shuang-xiang |
| Institution: | CHEN Ya-min1,YANG He-feng3,ZHOU Bi-jun 1,2*,CHEN Jun-yi1,WANG Kai-gong1,2,WEN Ming1,CHENG Zhen-tao1,YUE Jun4,ZHANG Shuang-xiang1(1.College of Animal Science,Guizhou University,Guiyang,Guizhou 550025,2.Guizhou Animal Disease Institute,Guizhou,550025,3.Veterinary Station of Liupanshui,liupanshui,Guizhou 553000,4.Guizhou Agriculture Committee,Guizhou 550001,China) |
| Abstract: | ELISA was used to determine maternal antibodies of piglets and analyze their dynamic changes,and confirm initial immunization age of the piglets of SF infected by 2 kinds of epidemics.The results showed that the neutralizing level of maternal antibody achieved 100.0%(25/25) in 10~14 days,followed by 81.5%(22/27),77.8%(21/27),67.7%(21/31),58.6%(17/29),50.0%(16/32) from sows infected with PRRSV and immunized 6 times of activated vaccine.It reached 100.0%(20/20) at 5~20 days and 80.0%(16/20) at 30 days from so... |
| Keywords: | SF swine fever (SF) suppressive infection initial immunization age maternal antibody |
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