Seroprevalence of avian metapneumovirus (aMPV) among pullet and layer hens in Northern Thailand.

IF 1.7 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE Tropical animal health and production Pub Date : 2024-10-28 DOI:10.1007/s11250-024-04202-9

Nisachon Apinda, Kriangkrai Witoonsatian, Kanokwan Sangkakam, Anucha Muenthaisong, Nattawooti Sthitmatee, Pakpoom Tadee

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Abstract

Avian metapneumovirus (aMPV) poses a significant global threat to the respiratory and reproductive systems of poultry, yet its prevalence and impact in specific regions, such as northern Thailand, remain understudied. This study is the first comprehensive assessment of aMPV seroprevalence among layer hens in the region. By the application of Enzyme-Linked Immunosorbent Assay (ELISA), our findings reveal a high overall seroprevalence of 60.78%, with significantly higher rates among post-laying hens (70.87%) compared to pre-laying hens (47.02%). Regional variations were noted, Uttaradit province showing the highest seroprevalence at 74%. Factors such as overcrowded conditions and poor farm hygiene were implied as contributors to increased seropositivity. Comparison with global studies highlights aMPV's endemicity and emphasizes the need for targeted surveillance and biosecurity measures. Migratory birds were inferred as potential vectors, contributing to the spread of aMPV across different regions. This study provides crucial epidemiological data essential for optimizing vaccination strategies and enhancing disease management practices to safeguard poultry health and sustainable production in northern Thailand.

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泰国北部小母鸡和蛋鸡的禽偏肺病毒（aMPV）血清流行率。

禽偏肺病毒（aMPV）对家禽的呼吸系统和生殖系统构成全球性的重大威胁，但其在泰国北部等特定地区的流行情况和影响仍未得到充分研究。本研究是首次全面评估该地区蛋鸡的 aMPV 血清流行率。通过应用酶联免疫吸附测定法（ELISA），我们的研究结果显示总体血清阳性率高达 60.78%，其中产后母鸡的阳性率（70.87%）明显高于产前母鸡（47.02%）。地区之间存在差异，乌塔拉迪特省的血清流行率最高，为 74%。过度拥挤和鸡场卫生条件差等因素被认为是导致血清阳性率上升的原因。与全球研究的比较突出了 aMPV 的地方流行性，并强调了有针对性的监控和生物安全措施的必要性。候鸟被推断为潜在的传播媒介，有助于 aMPV 在不同地区的传播。这项研究提供了重要的流行病学数据，对于优化疫苗接种策略和加强疾病管理措施以保障泰国北部家禽健康和可持续生产至关重要。

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来源期刊

Tropical animal health and production 农林科学-兽医学

CiteScore

3.40

自引率

11.80%

发文量

361

审稿时长

6-12 weeks

期刊介绍： Tropical Animal Health and Production is an international journal publishing the results of original research in any field of animal health, welfare, and production with the aim of improving health and productivity of livestock, and better utilisation of animal resources, including wildlife in tropical, subtropical and similar agro-ecological environments.