摘要
检查了中国内蒙古的45头牛瘤胃内容物,对其瘤胃内纤毛虫种类和各属的构成比进行了调查。共计检出了18属57种27型纤毛虫。其中20种6型是中国的牛瘤胃纤毛虫种类的首次纪录。检出的全部种类中Isotricha prostoma,Dasytricha ruminantium,Entodinium simplex,E.exiguum,E.ovinum,E.nalellum,E.longinucleatum,Eudiplodinium maggii以及Ostracodiniumobtusum obtusum出现的很频繁。这些种类在其他邻国的牛中也有出现的报道,因此具有高度共同性。另外在这次调查中虽然检出率较低出现了主要从热带地区反刍动物中记载的种类Ento-dinium tricostatum,E.biconcavum,E.indicum,Eremplastron bubalus,Ostracodinium mysorei属别构成比中Entodinium属最高,占了平均69.2％,依次为Dasytricha、Diploplastron、Eremo-plastron。每各宿主平均出现的纤毛虫种数为20.0种平均纤毛虫密度是3.0×10~5/ml。
Distribution of the genus and species, and generic composition ( % ) of the rumen ciliate protozoa were investigated on 45 cattle in Nei-Mon-gol, China. Seventeen genera involving 57 species with 27 forms were identified. Of them, 20 species and 6 forms were first described in chinese cattle.The species found with a higher frequency were common to those reported in various animals fed in neighbouring areas, but some of the species found with a lower frequency,such as Entodinium tricosta-tum, E. biconcavum, E. indicus , Eremoplastron bubalus and Ostracodinium mysorei were common to those found in animals in tropical areas. The number of species found in the rumen per host was 20.2 on an average, and the average number of total ciliates per milliliter of rumen ciliates was 3.0×105. The ciliates of the genus Entodinium were the most predominant, amounting to 69.2% on an average of the total ciliates per host.
出处
《畜牧兽医学报》
CAS
CSCD
北大核心
1989年第2期166-175,共10页
ACTA VETERINARIA ET ZOOTECHNICA SINICA
关键词
牛
纤毛虫
瘤胃
头毛虫科
Cattle, Ciliate, Ophryoscolecidae, Rumen
