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首页> 外文期刊>Tropical Animal Health and Production >Increased genetic diversity of BVDV strains circulating in Eastern Anatolia, Turkey: first detection of BVDV-3 in Turkey
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Increased genetic diversity of BVDV strains circulating in Eastern Anatolia, Turkey: first detection of BVDV-3 in Turkey

机译：在火鸡东部循环中循环的BVDV菌株的遗传多样性：第一次检测土耳其BVDV-3

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Bovine viral diarrhea virus (BVDV) is a pathogen associated with loss of meat, milk, and reproductive performance in cattle across the world. There have been two types of BVDV identified worldwide: BVDV-1 and BVDV-2. However, a new type of BVDV, named HoBi-like pestivirus (BVDV-3), has been identified recently. BVDV presence in Turkey has been reported since the 1990s, but a mandatory vaccination program has not been implemented in Turkey so far. In serological studies conducted in Turkey for BVDV, reported seropositivity has been 50% on average. The aim of this study is to determine the genetic diversity of BVDV in blood and abortion materials from bovine in eastern Turkey. The presence of the virus was determined by antigen ELISA test. As a result of the phylogenetic analysis of 5 ' UTR, Npro and E2 genomic regions of the BVDV (n = 28), BVDV-1 (n = 25) was identified as the dominant type. In addition, BVDV-2 (n = 2) and BVDV-3 (n = 1) were determined which is the first report of HoBi-like pestivirus in Turkey. Although BVDV-1l (n = 19) was detected as the predominant sub-type of BVDV-1, 1a (n = 2), 1b (n = 1), 1c (n = 1), and 1d (n = 2) were also identified. In 2 samples, the BVDV-2 type detected was the 2a sub-type. In this study, it is emphasized that BVDV can be present in the abort materials as an agent and that it should be examined in the herd screening. In addition, it is understood that molecular epidemiological studies should continue for determining the genetic diversity of the viruses and that such studies should be carried out on the country basis. Necessary diagnostic programs should be developed for animals, which are imported or buying from other barns, and protection and control measures should be taken. The increase of reports on BVDV heterogeneity in Turkey and worldwide gets up related to the occurrence and spread of new BVDV types or variants, with potential implications for animal health and disease control.
机译：牛病毒性腹泻病毒（BVDV）是与世界各地的牛群中肉，牛奶和生殖性能相关的病原体。全球有两种类型的BVDV：BVDV-1和BVDV-2。然而，最近已经识别了新型的BVDV，名为Hobi样瘟病毒（BVDV-3）。自20世纪90年代以来，土耳其的BVDV存在于1990年代以来，但到目前为止，土耳其尚未实施强制性疫苗接种计划。在对BVDV的土耳其进行的血清学研究中，报告的血清阳性平均为50％。本研究的目的是确定来自土耳其东部的血液和流产材料中BVDV的遗传多样性。通过抗原ELISA测试测定病毒的存在。作为5'UTR的系统发育分析，BVDV（n = 28）的NPRO和E2基因组区域，将BVDV-1（n = 25）鉴定为优势型。此外，确定BVDV-2（n = 2）和BVDV-3（n = 1），这是土耳其在土耳其的流运疫苗的第一个报告。虽然被检测到BVDV-1L（n = 19）作为BVDV-1,1a（n = 2），1b（n = 1），1c（n = 1）和1d（n = 2）的主要子类型也被识别出来。在2个样品中，检测到的BVDV-2类型是2A子类型。在该研究中，强调BVDV可以作为药剂存在于中止材料中，并且应该在牧群筛查中检查它。此外，应当理解，分子流行病学研究应继续确定病毒的遗传多样性，并应在国家的基础上进行这些研究。应为从其他谷仓进口或购买的动物开发必要的诊断程序，应采取保护和控制措施。土耳其和全球BVDV异质性报告的增加与新的BVDV类型或变体的发生和传播有关，具有对动物健康和疾病控制的潜在影响。

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