AI Article Synopsis
- Blastocystis is a common parasite found in the intestines of humans and animals, and its transmission from animals to humans is being studied, especially in goats, which are economically important for cashmere, meat, and dairy.
- A study analyzed 789 fecal samples from different types of goats in Shaanxi province, China, revealing colonization frequencies of 54.1% in dairy, 40.4% in meat, and 78.6% in cashmere goats.
- The research identified seven subtypes of Blastocystis, with subtype 10 being the most common, and found zoonotic subtypes in dairy and cashmere goats, indicating a significant zoonotic risk associated with these animals.
Article Abstract
Blastocystis is one of the most common parasites inhabiting in small intestines of human and animals. Although its pathogenicity has been remaining controversial, the possibility of zoonotic transmission between human and animals was recognized. The goat was one of the most important economic animals supplying people with cashmere, meat, and dairy products. However, few studies were to investigate Blastocystis infection in goats. A total of 789 faecal specimens of goats (including 362 of dairy, 193 of meat and 234 of cashmere goats) were collected from multiple regions of Shaanxi province in northwestern China to investigate the colonization frequency and subtypes of Blastocystis, and to assess the zoonotic potential of these goats. The respective colonization frequencies of Blastocystis in dairy, meat and cashmere goats were 54.1% (196/362), 40.4% (78/193) and 78.6% (184/234). The prevalence of Blastocystis in pre-weaned (0-2-month) goats was significantly lower than that in goats of other age groups, and the highest colonization was observed in goats of 7-11-month age group. Sequence analysis of Blastocystis positive samples indicated the presence of seven subtypes in these goats, including six known subtypes (STs1, 3, 4, 5, 10, 14) and one possible novel subtype (isolate Sd26), with the subtype 10 as the predominant one. Additionally, zoonotic subtypes were found in dairy (ST1, ST3 and ST5) and cashmere (ST4 and ST5) goats, but not detected in meat goats. These results showed that Blastocystis is highly prevalent, widely distributed and genetically diverse in goats in Shaanxi province, northwestern China, and zoonotic potential of dairy and cashmere goats to transmit Blastocystis.
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| http://dx.doi.org/10.1016/j.actatropica.2017.08.028 | DOI Listing |
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