نتایج جستجو برای: bovine cryptosporidium
تعداد نتایج: 77813 فیلتر نتایج به سال:
introduction: cryptosporidium is an apicomplexa parasite that infects humans and a wide range of domestic and wild animals. however, the sub-genotypes of the species infecting animals in iran are unclear. the aim of the present study isto identify dna fingerprinting of bovine cryptosporidium in qazvin province using sequences of gp60 gene. materials and methods : in this study we investigated...
An 840-bp fragment of the 18S rRNA gene was used to identify Cryptosporidium spp. recovered from human immunodeficiency virus (HIV)-infected and -uninfected patients from Kenya, Malawi, Brazil, the United Kingdom, and Vietnam. Initial identification was by Ziehl-Neelsen acid-fast staining. Confirmation was by nested PCR, targeting the most polymorphic region of the 18S rRNA gene. Genotyping was...
Cryptosporidium, an enteric parasite of humans and a wide range of other mammals, presents numerous challenges to the supply of safe drinking water. We performed a wildlife survey, focusing on white-tailed deer and small mammals, to assess whether they may serve as environmental sources of Cryptosporidium. A PCR-based approach that permitted genetic characterization via sequence analysis was ap...
The aims of the current study were to estimate the prevalence of enteropathogens in calves in Norwegian dairy herds, evaluate the clinical consequences of protozoal infections, and identify risk factors for diarrhea. The 135 participating herds were randomly selected from those in The Norwegian Dairy Herd Recording System that had at least 15 cow-years. Each herd was followed for 1 yr. Fecal sa...
The present review reports the prevalence studies carried out in bovine cryptosporidiosis in European countries in the last decade, including the molecular background when available. In foreground, the distribution of Cryptosporidium species, genotypes and C. parvum subtype families (alleles) in cattle are described in the twenty countries where molecular studies have been conducted. Surveys ca...
A cross-sectional study was conducted to determine prevalence and risk factors of cryptosporidiosis in bovine from two contrasting production system in and around Tanga municipality between May 2003 and January 2004. The study populations comprised 117 calves aged ≤3 months, randomly selected from 44 smallholders dairy and traditional managed herds, respectively. Individual calf and herd-level ...
background: cryptosporidiosis is one of the most important parasitic infections in human and animals. this study was designed for survey on the prevalence of cryptosporidium infection in farms of ilam, west of iran, using parasitology method and genotyping by nested pcr-rflp. methods : fecal samples of 217 cattle were collected fresh and directly from the rectum of cattle. all of the samples we...
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