2011
DOI: 10.1590/s1984-29612011000300014 View full text |Buy / Rent full text
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Abstract: A eimeriose é responsável por causar graves problemas avícolas caracterizados, principalmente, por redução do ganho de peso e alteração na conversão alimentar, gerando grandes perdas econômicas. O objetivo deste trabalho foi avaliar a epidemiologia da eimeriose em frangos de corte na região de Araguaína, Estado do Tocantins, Brasil. AbstractEimeriosis is responsible for causing serious problems in poultry, mainly characterized by reduced weight gain and abnormalities of food conversion efficiency, thereby cau… Show more

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“…Un estudio sobre la prevalencia de coccidiosis en Santa Catarina (BR) mediante PCR mostró que el 96% de las fincas fueron positivas para Eimeria, con siete especies identificadas: E. maxima (63,7%) y E. acervulina (63,3%), E. tenella (54,6%), E. mitis (38,6%), E. praecox (25,1%), E. necatrix (24,3%) y E. brunetti (13,1%), con un promedio de 2,96 especies por explotación (Moraes et al, 2015). Otro estudio en una pequeña región del estado de Tocantins reportó la ocurrencia de coccidiosis en todas las granjas, con la presencia de E. maxima, E. acervulina, E. mitis y E. tenella (Toledo et al, 2011). La alta preponderancia de una especie de Eimeria puede indicar su resistencia a los fármacos habitualmente expuestos, como es el caso de E. tenella estudiado en Nigeria (Ojimelukwe et al, 2018) E. maxima micro y E. acervulina en el presente estudio y el otros informaron en Brasil.…”
Section: Discussionunclassified
“…The intestinal lesions caused by E. acervulina, E. maxima, and E. tenella are considered the most important in the production of broiler chickens since they have been shown to cause the most significant impact on zootechnical indicators. Therefore, lesions in the intestine caused by these species are prioritized in intestinal health monitoring (Toledo et al 2011, Gazoni et al 2015, Gazoni et al 2017, Huang et al 2017. The histopathological analysis is used to assist in the diagnosis of macroscopic lesions in the intestine, which also helps to establish the severity of infection by Eimeria spp.…”
Section: Introductionmentioning
“…Occurrences of coccidiosis in commercial poultry can range from 5 to 70% (DU;HU, 2004;FREITAS et al, 2008;AARTHI et al, 2010;LEE et al, 2010;TOLEDO et al, 2011), and economic losses have been widely reported (DALLOUL; LILLEHOJ, 2006).…”
Section: Introductionmentioning