2011
DOI: 10.1590/s1984-29612011000200008
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Natural infection by Eimeria spp. in a cohort of lambs raised extensively in Northeast Brazil

Abstract: The aim of the study was to examine and describe the changes in the course of Eimeria infection in a cohort of lambs of the mixed breed Santa Inês raised extensively on a farm in the State of Rio Grande do Norte, northeastern Brazil. The study was carried out between April and August 2008, during which period fecal samples were collected on a weekly basis from each of the 27 male lambs starting from the day after birth until the age of 90 days. Samples were analyzed under optical microscope and those testing p… Show more

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Cited by 12 publications
(15 citation statements)
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“…The high susceptibility of young animals is related to immunological aspects once the species-specific immunity against Eimeria sp. occurs after the initial infection (SILVA et al, 2011).…”
Section: Discussionmentioning
confidence: 99%
“…The high susceptibility of young animals is related to immunological aspects once the species-specific immunity against Eimeria sp. occurs after the initial infection (SILVA et al, 2011).…”
Section: Discussionmentioning
confidence: 99%
“…To ensure that species identification is valid, when possible, at least 50 sporulated oocysts from each species were observed and measured (Wang et al, 2010;Cavalcante et al, 2012). One hundred oocysts were randomly selected and identified to determine the percentages of each Eimeria species present in the fecal samples and then OPG per Eimeria species was counted (Silva et al, 2011). An estimate of intensity of each Eimeria species was achieved by relating their proportions to the McMaster counts (Craig et al, 2007).…”
Section: Eimerian Species Identificationmentioning
confidence: 99%
“…(1,18-1,60); esporocisto com média de comprimento 19,09µm (16.65-9,98µm); largura média 11,98 (9,99-13,32µm) e índice morfométrico médio 1,60µm (1,50-2,0µm) (Figura 1). Souza et al (2015) encontraram também em condições semiáridas da região Nordeste E. intricata acometendo ovinos com índice morfométrico para os oocistos exatamente igual ao presente trabalho (IM=1,4µm).…”
Section: Resultsunclassified
“…Porém este coccídeo já foi relatado para ovinos na Polônia (Antoszek e Balicka-Ramisz, 2009); no Irã (Yakhchali e Rezaei, 2010); na China (Wang et al, 2010); na Alemanha (Dittmar et al, 2010). No Brasil, foi notificada na região Sudeste, São Paulo (Amarante e Barbosa, 1992) e no Rio de Janeiro (Hassum et al, 2005); no Norte, Tocantins (Almeida et al, 2013); no Sul, Paraná (Lopes et al, 2013); e no Nordeste, Pernambuco (Tembue et al, 2009); Bahia (Souza et al, 2015). No Rio Grande do Norte, E. intricata foi notificada em ovinos no município de Lajes (Silva, 2009), em Angicos (Silva et al, 2011) e em Macaíba, por Andrade Júnior et al (2012).…”
Section: Resultsunclassified