Investigating serological evidence of Schmallenberg virus in cattle in eastern Algeria.

IF 0.8 4区农林科学 Q3 ZOOLOGY

Veterinary Research Forum Pub Date : 2025-01-01 Epub Date: 2025-03-15 DOI:10.30466/vrf.2024.2026853.4238

Nadia Djellata, Abdelkrim Yahimi, Christian Hanzen

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引用次数: 0

Abstract

Schmallenberg virus (SBV) is a newly identified virus belonging to the Orthobunyavirus genus, of the Bunyaviridae family, and transmitted by haematophagous arthropods in particular mosquitoes and biting midges of the Culicoides genus. The SBV is known to cause reproductive disorders in ruminants mainly abortions, stillbirths and congenital malformations (hydranencephaly and arthrogryposis syndromes). The aim of this study was to investigate the presence of SBV in dairy cattle in Algeria. Between September 2023 and December 2023, blood serum samples from 300 dairy cows from 75 dairy farms in north eastern Algeria were tested for SBV antibodies using a commercial indirect enzyme-linked immunosorbent assay kit. Individual seroprevalence was 38.33% (115/300; 95.00% confidence interval: 32.83 - 43.83), while herd seroprevalence was 41.33% (31/75; 95.00% confidence interval: 30.18 - 52.47). In addition, the results of this study revealed that SBV seroprevalence at individual or herd level was high and not negligible confirming the presence of SBV in the regions studied in Algeria. In conclusion, more in-depth studies are recommended concerning the molecular proof, origin and pathogenesis of SBV in ruminants mainly those linked to reproductive disorders as well as the study of the various associated risk factors.

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调查阿尔及利亚东部牛中存在施马伦贝格病毒的血清学证据。

施马伦贝格病毒（Schmallenberg virus， SBV）是一种新发现的病毒，属于布尼亚病毒科正布尼亚病毒属，由吸血节肢动物，特别是库蠓属的蚊子和蠓传播。已知SBV在反刍动物中引起生殖障碍，主要是流产、死产和先天性畸形（无脑畸形和关节挛缩综合征）。本研究的目的是调查阿尔及利亚奶牛中SBV的存在。在2023年9月至2023年12月期间，使用商业间接酶联免疫吸附测定试剂盒对阿尔及利亚东北部75个奶牛场的300头奶牛的血清样本进行了SBV抗体检测。个体血清阳性率为38.33% (115/300；95.00%置信区间：32.83 ~ 43.83)，而群体血清阳性率为41.33% (31/75；95.00%置信区间：30.18 - 52.47)。此外，本研究的结果显示，在个体或群体水平上的SBV血清患病率很高，不容忽视，证实了阿尔及利亚所研究地区存在SBV。综上所述，建议对反刍动物中SBV的分子证据、起源和发病机制进行更深入的研究，主要是与生殖障碍有关的SBV，以及各种相关危险因素的研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Veterinary Research Forum Veterinary-General Veterinary

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： Veterinary Research Forum (VRF) is a quarterly international journal committed to publish worldwide contributions on all aspects of veterinary science and medicine, including anatomy and histology, physiology and pharmacology, anatomic and clinical pathology, parasitology, microbiology, immunology and epidemiology, food hygiene, poultry science, fish and aquaculture, anesthesia and surgery, large and small animal internal medicine, large and small animal reproduction, biotechnology and diagnostic imaging of domestic, companion and farm animals.