2011
DOI: 10.1016/j.vetpar.2010.10.036
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Abstract: Feces were collected from 125 sheep between January and December 2007, on ten farms in the State of Rio de Janeiro, Brazil, and examined for the presence of Cryptosporidium. Ninety samples were collected from lambs 2 to 6 months of age, and 35 were from sheep over 12 months of age. All samples were subjected to molecular analysis by polymerase chain reaction (nested PCR) in two steps of the SSU rRNA. Two samples (1.6%) from the lambs were positive, and after sequencing were identified as Cryptosporidium ubiqui… Show more

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Cited by 26 publications
(22 citation statements)
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“…However, this protozoan was only detected in 2.2% and 6.5% of infected sheep in Belgium and Australia, respectively (Geurden et al 2008;Yang et al 2009). Recently in Brazil, a study on the genetic characterization of Cryptosporidium isolates from sheep demonstrated a low rate prevalence of this parasite; only 1.6% of animals were infected with C. ubiquitum (Fiuza et al 2011). Intragenotypic variation of C. ubiquitum was seen in the SSUrRNA sequences from some samples included in this study (data not shown).…”
mentioning
confidence: 53%
“…However, this protozoan was only detected in 2.2% and 6.5% of infected sheep in Belgium and Australia, respectively (Geurden et al 2008;Yang et al 2009). Recently in Brazil, a study on the genetic characterization of Cryptosporidium isolates from sheep demonstrated a low rate prevalence of this parasite; only 1.6% of animals were infected with C. ubiquitum (Fiuza et al 2011). Intragenotypic variation of C. ubiquitum was seen in the SSUrRNA sequences from some samples included in this study (data not shown).…”
mentioning
confidence: 53%
“…[38]. On the other hand, potentially zoonotic genotypes or species such as G. duodenalis assemblage A and B [1, 2, 12, 19, 26, 30, 41], C. parvum [3, 6, 12, 22, 46], C. hominis [17], C. meleagridis [42] and C. ubiquitum [10, 12, 45] have been reported in small ruminants. Furthermore, the identification of potentially zoonotic genotypes does not necessarily imply that transmission occurs.…”
Section: Discussionmentioning
confidence: 99%
“…A ocorrência de criptosporidiose em rebanhos ovinos foi descrita em várias regiões geográficas, com incidências variáveis: 10,1% na Polônia (MAJEWSKA et al, 2000), 59% na Espanha (CAUSAPÉ et al, 2002), 77,4% nos Estados Unidos (SANTÍN; TROUT; FAYER, 2007), 11,2% na Tunísia (SOLTANE et al 2007); 24,5% na Austrália (YANG et al, 2009), também 25% (SILVA, 2007, 41% (COSENDEY et al, 2008), 6,7 % (FÉRES et al, 2009), 0% (SEVÁ et al, 2010, 1,6% (FIUZA et al, 2011), 15% (ZUCATTO, 2013 Wang et al (2010), obtiveram três espécies de Cryptosporidium, pela PCR, sendo C. andersoni em ovelhas gestantes e no pós-parto (04/82); C. xiaoi em cordeiros durante e após desmame (04/82) e C. genótipo cervine em amostras de cordeiros e ovelhas (74/82).…”
Section: Criptosporidiose Em Ovinosunclassified
“…Em 10 ovinoculturas no Rio de Janeiro, Fiuza et al (2011) detectaram 1,6% (2/90) de infecção por este parasito em cordeiros entre dois a seis meses de idade, com identificação molecular de C. ubiquitum. Distribuída no mundo todo, está última espécie foi isolada em seres humanos (ONG et al, 2002;XIAO, 2010), mas tem sido observada em cordeiros com menos de doze meses de idade (SANTÍN; FAYER, 2007;YANG et al, 2009;FURUSETH HANSEN, 2010;WANG et al, 2010;SWEENY et al, 2011).…”
Section: Criptosporidiose Em Ovinosunclassified