New findings of Enterocytozoon bieneusi in beef and dairy cattle in Brazil

Veterinary Parasitology
Vagner Ricardo da Silva FiuzaMónica Santín

Abstract

Microsporidia are widely recognized as important human pathogens with Enterocytozoon bieneusi as the most common species infecting humans and animals, including cattle. Although Brazil has the second largest cattle herd in the world and it is the largest exporter of beef there are no data on the presence or impact of E. bieneusi on this important population. To fill this knowledge gap, fecal specimens were collected from 452 cattle from pre-weaned calves to adult cattle in the state of Rio de Janeiro. Host factors including age, gender, dairy/beef, body composition, and fecal consistency were included in the study. Using molecular methods, E. bieneusi was found in 79/452 (17.5%) fecal specimens. This represents the first report of this parasite in Brazilian cattle. A significantly higher prevalence was found in calves less than 2 months of age (27.6%) and those 3-8 months of age (28.8%) versus heifers (14.1%) and adults (1.4%) (P<0.05). Dairy cattle (26.2%) had a higher prevalence than beef cattle (9.7%) (P<0.001). No correlation was found between infection and gender, body composition, and fecal consistency. Molecular characterization of the internal transcribed spacer (ITS) revealed 12 genotypes; five previously reported in c...Continue Reading

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Citations

Jul 31, 2016·Research in Veterinary Science·Vagner Ricardo da Silva FiuzaMonica Santín
Oct 31, 2016·Parasitology International·Meng QiLongxian Zhang
Nov 7, 2016·Parasitology Research·Maria Júlia Rodrigues da CunhaMónica Santín
Jan 15, 2018·Parasitology Research·Qiang ZhangLihua Xiao
Oct 26, 2018·The Journal of Eukaryotic Microbiology·Yan ZhangRobin B Gasser
Jun 12, 2020·Parasites & Vectors·Sunwoo HwangKyoung-Seong Choi
Aug 30, 2019·BMC Veterinary Research·Ruenruetai UdonsomSupaluk Popruk
Jul 6, 2017·BioMed Research International·Jian-Gang MaDong-Hui Zhou
Feb 21, 2019·Revista brasileira de parasitologia veterinária = Brazilian journal of veterinary parasitology : Órgão Oficial do Colégio Brasileiro de Parasitologia Veterinária·Jamille Batista Faria PradoVeronica Jorge Babo Terra
Mar 14, 2018·Parasites & Vectors·Chuanxiang TangLihua Xiao
Jun 8, 2017·Memórias do Instituto Oswaldo Cruz·Sandra YamashiroRegina Maura Bueno Franco
Jul 12, 2019·Frontiers in Microbiology·Hai-Yan WangLong-Xian Zhang
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Nov 25, 2020·Parasite : Journal De La Société Française De Parasitologie·Xin-Li ZhengGang Lu
Jun 11, 2021·Transboundary and Emerging Diseases·Md Robiul KarimLongxian Zhang

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