摘要
本研究表明,鹌鹑是贝氏隐孢子虫的新宿主。贝氏隐孢子虫在鹌鹑体内和鸡体内的发育过程基本相同,潜在期均为3天,开放期分别为4～14天和4～24天,虫体的主要寄生部位为法氏囊、泄殖腔和呼吸道,发育的基本过程为3代裂殖生殖、配子生殖和孢子生殖,很少见到薄壁型卵囊。虫体形态大小在二者体内无差别,首次出现时间差别不大。经口感染,贝氏隐孢子虫可引起鹌鹑的发病与死亡,发病率为13.3％,病死率为100％,病程为2～3天。发病后主要表现为伸颈、张口呼吸和翅下垂。剖检可见气管粘膜水肿、粘液增多。H.E.染色可见气管粘膜表面有大量嗜碱性虫体,有时有大量细菌寄生;轻者粘膜上皮细胞纤毛消失,重者粘膜上皮脱落;固有层充血水肿。嗉囊注射接种表明,贝氏隐孢子虫在鹌鹑体内不存在从消化道向气管的移行。
The investigation shows quail is a new host of C.baileyi.The process by which C.baileyi developed in quail and chicken fundamentally is same.Their prepatent periods all _are three days and the patent periods are four to fourteen days and four to twenty four days respectively.The sites where C.baileyi parasitize are bursa of Fabricius,cloaca and respiratory tract.The basic development process includes three schizogamies, gametogony and sporogony. The thin wall oocysts were seldom seen.
出处
《中国兽医科技》
CSCD
1993年第1期7-10,共4页
Chinese Journal of Veterinary Science and Technology
