Lindsay D S, Blagburn B L, Hoerr F J
Department of Pathobiology, College of Veterinary Medicine, Auburn University 36849-5519.
Avian Dis. 1990 Jul-Sep;34(3):791-3.
Four of six cockatiels died within a week after being purchased from a commercial breeder. A fifth bird was euthanatized and necropsied during this time, and tissues were collected for microscopic examination. The small intestine had moderate numbers of Cryptosporidium sp. parasites present. A few large, basophilic intranuclear inclusions were present in renal ductular epithelium. Cryptosporidium sp. oocysts were found in the feces of the surviving bird. Thirty oocysts were 7.2 by 5.5 microns. The shape index was 1.31. Morphological examinations of the fecal oocysts indicated that the Cryptosporidium species infecting the cockatiels was similar to C. baileyi, a parasite that is not usually associated with small-intestinal infections.
从商业繁殖者处购买的六只玄凤鹦鹉中有四只在一周内死亡。在此期间，第五只鸟被安乐死并进行了尸检，采集了组织进行显微镜检查。小肠中有中等数量的隐孢子虫属寄生虫。肾小管道上皮细胞中存在一些大的嗜碱性核内包涵体。在存活鸟的粪便中发现了隐孢子虫卵囊。30个卵囊大小为7.2×5.5微米。形状指数为1.31。粪便卵囊的形态学检查表明，感染玄凤鹦鹉的隐孢子虫种类与拜氏隐孢子虫相似，拜氏隐孢子虫通常与小肠感染无关。
