新疆部分地区梅迪维斯纳病毒感染的血清学调查

doi:10.11843/j.issn.0366-6964.2020.08.028

Abstract

Abstract: To investigate the epidemic status and characteristics of Maedi-Visna disease in Xinjiang, this study collected 2 647 samples of sheep sera from Aksu, Aletai, Bazhou, Changji, Hami, Shihezi, Yining, from 2017 to 2019. Enzyme-linked immunosorbent assay (ELISA) was performed to detect Maedi-Visna antibody. Statistical analysis of the positive rate of sheep Maedi-Visna antibody in different varieties, genders and regions. The detection rate of Aksu, Altay, Bazhou, Changji, Hami, Shihezi and Yining were 28.95% (121/418), 0.67% (5/751), 2.50% (2/80), 4.91% (8/163), 1.14% (3/264), 1.22% (1/82) and 17.10% (152/889). The positive rate of Aletai sheep, Hetian sheep, Kazakh sheep, Merino sheep, Suffolk sheep and Small Tail Han sheep, were 0.35% (1/288), 1.14% (3/264), 22.87% (231/1 010), 13.86% (42/303), 1.85% (13/702) and 2.50% (2/80), respectively. The positive detection rate of local variety and introduced variety were 0.79% (8/1015), 1.58% (15/947), respectively. The positive detection rate of female and male were 3.59 % (34/946) and 15.17 % (258/1 701), respectively. These results indicated that it is necessary to carry out early quarantine of Meadi-Visna disease, identify and eliminate the sick sheep timely, and improve the feeding and management conditions, which is of great significance to promote the healthy development of the sheep industry.

Key words: Xinjiang, Maedi-Visna disease (MVD), Maedi-Visna virus (MVV), serological investigation

CLC Number:

ZHANG Yanhong, LI Yan, YANG Yan, ZHANG Zhe, LÜ Wenhua, QIAN Tianhao, MENG Yaqi, SHENG Jinliang. Serological Investigation of Maedi-Visna Virus Infection in Some Areas of Xinjiang[J]. Acta Veterinaria et Zootechnica Sinica, 2020, 51(8): 2022-2026.

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Serological Investigation of Maedi-Visna Virus Infection in Some Areas of Xinjiang

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