Detection and molecular characterization of chicken parvovirus and chicken megrivirus in layer breeders affected by intestinal dilatation syndrome.

IF 2.5 2区农林科学 Q1 VETERINARY SCIENCES Avian Pathology Pub Date : 2024-07-15 DOI:10.1080/03079457.2024.2372486

Luis Fabian N Nuñez, Ruy D Chacón, Antonio Charlys da Costa, Silvana H Santander-Parra, Rafael da Costa Pereira Innocentini, Christian J Sánchez-Llatas, Pablo Cea-Callejo, Stefhany Valdeiglesias Ichillumpa, Claudete S Astolfi Ferreira, Lilian Rose Marques de Sá, Antonio J Piantino Ferreira

引用次数: 0

Abstract

Research highlights: IDS presented pathognomonic dilatation of the jejunum up to Meckel's diverticulum.IDS caused weight loss, decreased egg production, and increased culling and mortality.Chicken parvovirus (ChPV) was consistently detected through PCR assays.Chicken megrivirus (ChMV) was consistently detected through viral metagenomics.

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受肠膨大综合征影响的蛋鸡种鸡体内鸡细小病毒和鸡巨细胞病毒的检测与分子特性分析

肠扩张综合征（IDS）是一种节段性肠病，其特点是回肠和空肠交界处（梅克尔憩室）扩张。IDS 严重影响家禽业，会导致产蛋率不可逆转地长期下降，降低饲料转化效率，增加死亡率。本文描述了白羽蛋鸡 IDS 的临床和病理特征，并进行了病毒分子和元基因组研究。50至60日龄的鸡表现为粘膜苍白、冷漠、精神萎靡、羽毛蓬乱和腹泻，同时可产蛋量下降20%，淘汰率为20%，死亡率为5%。尸体解剖的主要结果是肠道明显扩张，肠道淤血，梅克尔憩室区域的空肠远端狭窄，食物未消化。显微镜分析显示出明显的萎缩性淋巴浆细胞性和异性肠炎，伴有增生的隐窝、溃疡、异性和淋巴浆细胞性会厌炎。通过分子检测，在肠道、胰腺和胃窦的三个节段中都检测到了鸡细小病毒，在肠道内容物中也检测到了鸡巨细胞病毒。明显的萎缩性肠炎伴有会厌炎和肠淤积，与肠道吸收不良和继发细菌感染的临床表现有关。我们的数据提供了有关 IDS 的有用信息，并强调了进一步研究的重要性，以确定检测到的每种病毒在该综合征中的具体作用。

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

Avian Pathology 农林科学-兽医学

CiteScore

4.50

自引率

10.70%

发文量

审稿时长

1 months

期刊介绍： Avian Pathology is the official journal of the World Veterinary Poultry Association and, since its first publication in 1972, has been a leading international journal for poultry disease scientists. It publishes material relevant to the entire field of infectious and non-infectious diseases of poultry and other birds. Accepted manuscripts will contribute novel data of interest to an international readership and will add significantly to knowledge and understanding of diseases, old or new. Subject areas include pathology, diagnosis, detection and characterisation of pathogens, infections of possible zoonotic importance, epidemiology, innate and immune responses, vaccines, gene sequences, genetics in relation to disease and physiological and biochemical changes in response to disease. First and subsequent reports of well-recognized diseases within a country are not acceptable unless they also include substantial new information about the disease or pathogen. Manuscripts on wild or pet birds should describe disease or pathogens in a significant number of birds, recognizing/suggesting serious potential impact on that species or that the disease or pathogen is of demonstrable relevance to poultry. Manuscripts on food-borne microorganisms acquired during or after processing, and those that catalogue the occurrence or properties of microorganisms, are unlikely to be considered for publication in the absence of data linking them to avian disease.