中国北方五省水貂、狐狸和貉的隐孢子虫属。

IF 1.9 2区 农林科学 Q3 FOOD SCIENCE & TECHNOLOGY
Zhen-Qiu Gao, Hai-Tao Wang, Nian-Yu Xue, Zhong-Yuan Li, Ya Qin, Xue-Min Li, Qing-Yu Hou, Jing Jiang, Li-Hua Yang, Xing Yang, Hong-Bo Ni, Yan Tang, Shuo Liu
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引用次数: 0

摘要

隐孢子虫是一种常见的肠道病原体,可引起人类和动物腹泻。中国北方有大规模的毛皮动物养殖业。虽然已有相关研究,但仍缺乏系统的数据。本研究在山东、河北、辽宁、吉林和黑龙江四省共采集毛皮动物粪便样本871份。采用巢式聚合酶链反应,检出隐孢子虫阳性标本75份,总感染率为8.61%。各省感染率为4.23% ~ 16.81%,其中山东最高(16.81%,19/113),吉林次之(15.07%,11/73)。狐狸(15.06%,53/352)的感染率高于水貂(4.55%,13/286)和貉(3.86%,9/233),提示狐狸可能更易感染。共鉴定出犬隐孢子虫(66种)、meleagridis隐孢子虫(1种)、细小隐孢子虫(1种)和水貂(7种)4种/基因型。其中,在貉和狐狸中分别检测到细小C.和meleagridis,而水貂基因型仅在水貂中检测到。在3种动物中均存在犬原体,在狐狸中为优势种。这些发现表明,养殖毛皮动物可能是隐孢子虫传播给人类的潜在宿主。本研究提供了皮毛动物隐孢子虫感染的基本流行病学数据,有助于更好地了解其分布和潜在的人畜共患风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cryptosporidium Spp. in Mink, Foxes, and Raccoon Dogs in Five Provinces of Northern China.

Cryptosporidium spp. is a common intestinal pathogen that causes diarrhea in both humans and animals. Northern China has a large-scale fur animal farming industry. Although there have been related studies, systematic data remain lacking. In this study, a total of 871 fecal samples were collected from fur animals in Shandong, Hebei, Liaoning, Jilin, and Heilongjiang provinces. Using nested polymerase chain reaction, 75 Cryptosporidium-positive samples were detected, and the overall infection rate was 8.61%. The infection rates ranged from 4.23% to 16.81% across different provinces, with the highest rate was observed in Shandong (16.81%, 19/113), followed by Jilin (15.07%, 11/73). Additionally, foxes (15.06%, 53/352) showed a higher infection rate compared with mink (4.55%, 13/286) and raccoon dogs (3.86%, 9/233), suggesting that foxes may be more susceptible. Four species/genotypes were identified: Cryptosporidium canis (n = 66), Cryptosporidium meleagridis (n = 1), Cryptosporidium parvum (n = 1), and mink genotype (n = 7). Among these, C. parvum and C. meleagridis were found in raccoon dogs and foxes, respectively, while the mink genotype was detected only in mink. C. canis was present in all three animal species and was the dominant species in foxes. These findings indicate that farmed fur animals may serve as potential reservoirs for Cryptosporidium transmission to humans. This study provides essential epidemiological data on Cryptosporidium infections in fur animals, contributing to a better understanding of its distribution and potential zoonotic risk.

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来源期刊
Foodborne pathogens and disease
Foodborne pathogens and disease 医学-食品科技
CiteScore
5.30
自引率
3.60%
发文量
80
审稿时长
1 months
期刊介绍: Foodborne Pathogens and Disease is one of the most inclusive scientific publications on the many disciplines that contribute to food safety. Spanning an array of issues from "farm-to-fork," the Journal bridges the gap between science and policy to reduce the burden of foodborne illness worldwide. Foodborne Pathogens and Disease coverage includes: Agroterrorism Safety of organically grown and genetically modified foods Emerging pathogens Emergence of drug resistance Methods and technology for rapid and accurate detection Strategies to destroy or control foodborne pathogens Novel strategies for the prevention and control of plant and animal diseases that impact food safety Biosecurity issues and the implications of new regulatory guidelines Impact of changing lifestyles and consumer demands on food safety.
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