{"title":"Epidemiology of Blastocystis in farm animals: A review.","authors":"Jinnat Rehena, Anas Bin Harun, Md Robiul Karim","doi":"10.1016/j.vetpar.2024.110382","DOIUrl":null,"url":null,"abstract":"<p><p>Blastocystis is a ubiquitous gastrointestinal protozoan parasite found both in humans and animals. The purpose of this review is to look at the prevalence and genetic diversity of Blastocystis in farm animals, including cattle, sheep, goats, pigs, and poultry, and discuss the potential evidence of transmission between animals and humans, as well as highlight the related risk factors and public health significance. Significant differences have been found in the prevalence of Blastocystis in different hosts worldwide. The global prevalence of Blastocystis infection was 13.6 % in cattle (1219/8961), 15.9 % in sheep (675/4233), 31.7 % in goats (837/2640), 44.57 % in pigs (2589/5808), and 26.29 % in poultry (892/3392). Blastocystis is mainly transmitted through fecal-oral routes. The existence of the same subtypes of the parasite in both animals and humans indicates potential zoonotic transmission. Subtypes ST10 (43.39 %) and ST14 (19.99 %) were most frequently found in cattle, sheep, and goats, while ST5 (62.57 %) was predominantly observed in pigs, and ST6 (16 %) and ST7 (36.6 %) were commonly recorded in poultry. Analysis of risk factors suggests that age, sex, close contact with animals, geographical location, farm management system, and season were the significant risk factors reported in many studies. Although epidemiology and subtype distribution of Blastocystis in different hosts have been described in several studies, understanding the possible transmission pathway from farm animals to humans and the public health impacts of Blastocystis requires more extensive studies.</p>","PeriodicalId":23716,"journal":{"name":"Veterinary parasitology","volume":"334 ","pages":"110382"},"PeriodicalIF":2.0000,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Veterinary parasitology","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1016/j.vetpar.2024.110382","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PARASITOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Blastocystis is a ubiquitous gastrointestinal protozoan parasite found both in humans and animals. The purpose of this review is to look at the prevalence and genetic diversity of Blastocystis in farm animals, including cattle, sheep, goats, pigs, and poultry, and discuss the potential evidence of transmission between animals and humans, as well as highlight the related risk factors and public health significance. Significant differences have been found in the prevalence of Blastocystis in different hosts worldwide. The global prevalence of Blastocystis infection was 13.6 % in cattle (1219/8961), 15.9 % in sheep (675/4233), 31.7 % in goats (837/2640), 44.57 % in pigs (2589/5808), and 26.29 % in poultry (892/3392). Blastocystis is mainly transmitted through fecal-oral routes. The existence of the same subtypes of the parasite in both animals and humans indicates potential zoonotic transmission. Subtypes ST10 (43.39 %) and ST14 (19.99 %) were most frequently found in cattle, sheep, and goats, while ST5 (62.57 %) was predominantly observed in pigs, and ST6 (16 %) and ST7 (36.6 %) were commonly recorded in poultry. Analysis of risk factors suggests that age, sex, close contact with animals, geographical location, farm management system, and season were the significant risk factors reported in many studies. Although epidemiology and subtype distribution of Blastocystis in different hosts have been described in several studies, understanding the possible transmission pathway from farm animals to humans and the public health impacts of Blastocystis requires more extensive studies.
期刊介绍：
The journal Veterinary Parasitology has an open access mirror journal,Veterinary Parasitology: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
This journal is concerned with those aspects of helminthology, protozoology and entomology which are of interest to animal health investigators, veterinary practitioners and others with a special interest in parasitology. Papers of the highest quality dealing with all aspects of disease prevention, pathology, treatment, epidemiology, and control of parasites in all domesticated animals, fall within the scope of the journal. Papers of geographically limited (local) interest which are not of interest to an international audience will not be accepted. Authors who submit papers based on local data will need to indicate why their paper is relevant to a broader readership.
Parasitological studies on laboratory animals fall within the scope of the journal only if they provide a reasonably close model of a disease of domestic animals. Additionally the journal will consider papers relating to wildlife species where they may act as disease reservoirs to domestic animals, or as a zoonotic reservoir. Case studies considered to be unique or of specific interest to the journal, will also be considered on occasions at the Editors'' discretion. Papers dealing exclusively with the taxonomy of parasites do not fall within the scope of the journal.
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