文献类型： 外文期刊
第一作者： Feng, Xinwei
作者： Feng, Xinwei;Deng, Jinhua;Zhang, Zhenjie;Yu, Fuchang;Zhang, Jianing;Qi, Meng;Shi, Tuanyuan;Sun, Hongchao;Liu, Xuehan
作者机构：
关键词： Cryptosporidium; Infection; Identify subtype; Chicken
期刊名称：PARASITOLOGY RESEARCH （ 影响因子：2.0； 五年影响因子：2.0 ）
ISSN： 0932-0113
年卷期： 2023 年 122 卷 9 期
页码：
收录情况： SCI
摘要： Cryptosporidium is a common enteric parasite in chickens. A total of 812 fecal specimens were collected from 11 broiler farms in Zhejiang Province, China, and analyzed by nested PCR amplification based on the small subunit ribosomal RNA (SSU rRNA) gene. The overall infection rate of Cryptosporidium was 6.3% (51/812), and five of 11 farms were Cryptosporidium positive. Broilers aged > 90 days accounted for the highest infection rate of 16.1% (6/56), followed by those aged 30-60 days (10.6%, 38/358) and 60-90 days (4/378, 1.1%). Two Cryptosporidium species were identified by sequence analysis, with the predominant species being C. baileyi (96.1%, 49/51) and the minor infection being C. meleagridis (3.9%, 2/51). Based on the 60-kDa glycoprotein (gp60) gene, two C. meleagridis-positive isolates were identified as one known subtype, IIIbA24G1R1. This study indicated the common occurrence of C. baileyi in broiler chickens in this region and low zoonotic transmission potential of Cryptosporidium to humans.
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