ArticleParasite (Paris, France)2024
Molecular characterization of common zoonotic protozoan parasites and bacteria causing diarrhea in dairy calves in Ningxia Hui Autonomous Region, China.
Article in Parasite (Paris, France), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Isolation, Genomic Evolution, and Pathogenicity ofAnimals : an open access journal from MDPI · 2026Article
- Development of a Multiplex PCR Assay for SelectedBiology · 2026Article
- Prevalence and Pathogen Profiles of Yak Diarrhea in Ganzi Tibetan Autonomous Prefecture, Sichuan Province, China.Pathogens (Basel, Switzerland) · 2026Article
- Molecular Prevalence and Genotyping of Enterocytozoon bieneusi in Cattle from Central Algeria.Acta parasitologica · 2026Article
- Occurrence and Genetic Diversity ofMicroorganisms · 2025Article
- Investigation of Cryptosporidium spp. and Enterocytozoon bieneusi in free-ranged livestock on the southeastern Qinghai-Xizang Plateau, China.BMC infectious diseases · 2025Article
- Prevalence and Risk Factors of Bacterial Pathogens Causing Camel Calf Diarrhea in Shabeley and Kebribayah Districts, Fafan Zone, Eastern Ethiopia.Veterinary medicine international · 2025Article
- Synergistic effects of Chinese herbal formula combined with Microcin J25 againstFrontiers in veterinary science · 2025Article
- Article
- Gut Microbial Composition and Antibiotic Resistance Profiles in Dairy Calves with Diarrhea.Life (Basel, Switzerland) · 2024Article
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8 authors.
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Abstract
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 < 0.05) in the positive rates of Cryptosporidium spp. and diarrheagenic E. coli among farms, age groups, and seasons. Two Cryptosporidium species (C. parvum and C. bovis) and five gp60 subtypes of C. parvum (IIdA15G1, IIdA20G1, IIdA19G1, IIdA14G1, and a novel IIdA13G1) were identified. Two assemblages (assemblage E and zoonotic assemblage A) of G. duodenalis and six ITS genotypes of E. bieneusi (J, Henan-IV, EbpC, I, EbpA, and ESH-01) were observed. Four virulence genes (eaeA, stx1, stx2, and st) of diarrheagenic E. coli and one toxin type (type A) of C. perfringens were detected. Our study enriches our knowledge on the characteristics and zoonotic potential of diarrhea-related pathogens in dairy calves.
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