中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 固始鸡源隐孢子虫人工感染试验 畜牧与兽医 2008,40 (7) 9-13
Position: Home > Articles > Artificial innoculation of Cryptosporidium isolated from Gu-shi chick Animal Husbandry & Veterinary Medicine 2008,40 (7) 9-13

固始鸡源隐孢子虫人工感染试验

作  者：
邵兆霞;赵金凤;马超锋;菅复春;宁长申;张龙现
单  位：
河南农业大学牧医工程学院
关键词：
隐孢子虫;固始鸡;人工感染
摘  要：
为了解来源于地方鸡品种的隐孢子虫分离株致病特点,对收集到的河南固始鸡源隐孢子虫经鹌鹑传代纯化后,进行动物感染。结果:固始鸡源隐孢子虫分离株无论在正常还是免疫抑制情况下均不能感染小鼠,但能成功感染海兰雏鸡,出现明显的呼吸道症状及法氏囊病变。剖检发现虫体主要寄生在法氏囊、气管和泄殖腔等部位。根据卵囊形态学及寄生部位等特点,本试验分离的隐孢子虫种类鉴定为贝氏隐孢子虫(Crypto-sporidium baileyi)。增大感染剂量,可使雏鸡排卵囊高峰期提前,排卵囊量增大,持续期延长;免疫抑制剂的使用也可使高峰期提前,持续期延长,但会造成试验动物死亡率增高。雏鸡临床症状、剖检病变和增重减少均与感染剂量呈正相关,免疫抑制剂的使用会加重此影响。
译  名：
Artificial innoculation of Cryptosporidium isolated from Gu-shi chick
作  者：
SHAO Zhao-xia,ZHAO Jin-feng,MA Chao-feng,JIAN Fu-chun,NING Chang-shen,ZHANG Long-xian(College of Animal Science and Veterinary Medicine,Henan Agricultural University,Zhengzhou 450002,China)
关键词：
Cryptosporidium;Gu-shi chick;artificial inoculation
摘  要：
To study the pathogenicity of Cryptosporidium oocysts isolated from Gu-Shi chick which is a local breed,the experiment was conducted after the isolate was reproducted in quails to gain the purified Cryptosporidium oocysts.The result showed that mice could not be infected in normal or immunosuppressive status,but the chickens could be infected successfully.The sideased chickens were manifested with the diordered in respiratory systems and pathological changes in bursa of Fabricius.Cryptosporidium were found mainly in respiratory trachea,cloaca and bursa of Fabricius of chicken.The isolate was identified C.baileyi based on morphology and parasitized sites.The modest increase inoculation amount of oocysts and use of immunosuppressant could advance and prolong the maximum oocyst output time,abundant oocyst shedding,but immunosuppressant could decrease appetite of birds and increase the mortality of chicken.There were positive correlation between clinical symptom,pathological change,less weight and infective dose,and immunodepressant could strengthen these changes.

相似文章

导出引用
计量
文章访问数: 12
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46