Molecular characterization of common zoonotic protozoan parasites and bacteria causing diarrhea in dairy calves in Ningxia Hui Autonomous Region, China

Diarrhea caused by zoonotic pathogens is one of the most common diseases in dairy calves, threatening the health of young animals. Humans are also at risk, in particular children. To explore the pathogens causing diarrhea in dairy calves, the present study applied PCR-based sequencing tools to inves...

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Bibliographic Details
Published in:Parasite (Paris) 2024, Vol.31, p.60
Main Authors: Zhao, Jia-Qi, Fan, Ying-Ying, Lei, Yun-Duan, Liu, Ding, Wang, Jun-Wei, Yang, Xin, Song, Jun-Ke, Zhao, Guang-Hui
Format: Article
Language:English
Subjects:
Animals
Cattle
Cattle Diseases - epidemiology
Cattle Diseases - microbiology
Cattle Diseases - parasitology
China - epidemiology
clostridium perfringens
Clostridium perfringens - classification
Clostridium perfringens - genetics
Clostridium perfringens - isolation & purification
Coinfection - epidemiology
Coinfection - microbiology
Coinfection - parasitology
Coinfection - veterinary
Cryptosporidiosis - epidemiology
Cryptosporidiosis - parasitology
Cryptosporidium - classification
Cryptosporidium - genetics
Cryptosporidium - isolation & purification
cryptosporidium spp
Dairying
Diarrhea - epidemiology
Diarrhea - microbiology
Diarrhea - parasitology
Diarrhea - veterinary
Enterocytozoon - classification
Enterocytozoon - genetics
Enterocytozoon - isolation & purification
enterocytozoon bieneusi
escherichia coli
Escherichia coli - classification
Escherichia coli - genetics
Escherichia coli - isolation & purification
Feces - microbiology
Feces - parasitology
giardia duodenalis
Giardia lamblia - classification
Giardia lamblia - genetics
Giardia lamblia - isolation & purification
Giardiasis - epidemiology
Giardiasis - parasitology
Giardiasis - veterinary
Humans
Microsporidiosis - epidemiology
Microsporidiosis - veterinary
Polymerase Chain Reaction - veterinary
Salmonella - classification
Salmonella - genetics
Salmonella - isolation & purification
salmonella spp
Zoonoses
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Summary:Diarrhea caused by zoonotic pathogens is one of the most common diseases in dairy calves, threatening the health of young animals. Humans are also at risk, in particular children. To explore the pathogens causing diarrhea in dairy calves, the present study applied PCR-based sequencing tools to investigate the occurrence and molecular characteristics of three parasites (Cryptosporidium spp., Giardia duodenalis, and Enterocytozoon bieneusi) and three bacterial pathogens (Escherichia coli, Clostridium perfringens, and Salmonella spp.) in 343 fecal samples of diarrheic dairy calves from five farms in Lingwu County, Ningxia Hui Autonomous Region, China. The total positive rate of these pathogens in diarrheic dairy calves was 91.0% (312/343; 95% CI, 87.9-94.0), with C. perfringens (61.5%, 211/343; 95% CI, 56.3-66.7) being the dominant one. Co-infection with two to five pathogens was found in 67.3% (231/343; 95% CI, 62.4-72.3) of investigated samples. There were significant differences (p 
ISSN:1776-1042
1252-607X
1776-1042
DOI:10.1051/parasite/2024059