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Position: Home > Articles > TWO NEW SPECIES OF OSTERTAGIA(NEMATODA:TRICHOSTRONGYLIDAE)FROM SHEEP OF KANSU PROVINCE,NORTH-WESTERN CHINA Chinese Journal of Animal and Veterinary Sciences 1957,2 (1) 1-6+88-89

甘肃绵羊奥斯脱他属线虫二新种

作  者:
许绶泰;林孟初;梁经世
摘  要:
本文报告1956年9月中国畜牧兽医学会总会组织的西北家畜寄生虫调查队,在甘肃省武威县附近地区所采集到的蠕虫标本中的二线虫新种的描述。在原调查报告中,本文所描述的二种线虫,曾列为 Ostertagia(Ostertagia)sp.(1)及 Ostertagia(Oster-tagia)sp.(2)。
译  名:
TWO NEW SPECIES OF OSTERTAGIA(NEMATODA:TRICHOSTRONGYLIDAE)FROM SHEEP OF KANSU PROVINCE,NORTH-WESTERN CHINA
作  者:
S.T.Hsv M.T.LING C.S.LIANG
摘  要:
Two species of Ostertagia from sheep of Kansu province were described and considered new to science.Ostertagia(Ostertagia)erschowi nov.sp.is morpho- logically close to Ostertagia(Ostertagia)trifurcata Ransom,1907(=Ostertagict pinnata Daubney,1933)but bears the following differential features:(1)relatively short distance from the distal extremities of the lateral branches of the spicule to that of the main branch,(2)tadpole-shaped gubernaculum,(3)entirely different genital cone,(4)medio-lateral rays being much greater than the postero-lateral ones,while in the case of Ostertagia(Ostertagia)trifurcata,only slightly greater, (5)in the male,greater body length,width,as well as the greater length of the dorsal ray,and(6)in the female,greater body width,greater length of the ovi- jector together with its sphinctor muscles,longer distance from the vulva to the posterior extremity,less pointed tail end and finally,the presence of a prominant vaginal flap. Ostertagia(Ostertagia)hsiungi nov.sp.,resembles Ostertagia(Ostertagia) buriatica Konstantinova,1934,but differs from the latter by the shape of spicules, shape and size of gubernaculum,shape of the genital cone,size of the external dorsal rays as compared to the antero-lateral rays,and finally,by the greater body length and the longer distance from the cervical papiUae,and also from the excretory pore,to the anterior extremity.

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