Tristeza parasitária bovina no Sertão da Paraíba

Costa, Vitória Mazon Martins; Rodrigues, André Luís dos Santos; Medeiros, J. M.; Labruna, Marcelo Bahia; Simões, Sara Vilar Dantas; Correa, Franklin Riet

doi:10.1590/s0100-736x2011000300009

Cited by 22 publications

(31 citation statements)

References 9 publications

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“…Overall, our results indicate that the farms sampled in the present study may be in a situation of enzootic instability for A. marginale, B. bigemina or B. bovis, since most of the animals were seronegative for at least one agent. This condition is corroborated by recent outbreaks of anaplasmosis and babesiosis reported in 24 farms in the Sertão region of Paraíba (COSTA et al, 2011). These outbreaks, which occurred from 2007 to 2009, were associated with atypically higher rainfall that favored higher vector abundance and, consequently, higher exposure of susceptible animals to infected vectors: both ticks (in the case of Babesia spp.…”

Section: Discussionsupporting

confidence: 54%

“…These outbreaks, which occurred from 2007 to 2009, were associated with atypically higher rainfall that favored higher vector abundance and, consequently, higher exposure of susceptible animals to infected vectors: both ticks (in the case of Babesia spp. and A. marginale) and biting flies (in the case of A. marginale) (COSTA et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Until very recently, cattle babesiosis or anaplasmosis had remained unreported in the Caatinga biome of the state of Paraíba. A recent study by our group described 24 outbreaks of cattle anaplasmosis and/or babesiosis on cattle farms in the Sertão region of that state (COSTA et al, 2011). These outbreaks mostly affected cows, with a 36% mean lethality rate (range: 0-100%), thus indicating that many of the affected cows were not immune, i.e.…”

Section: Introductionmentioning

confidence: 98%

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Seroprevalence and risk factors for cattle anaplasmosis, babesiosis, and trypanosomiasis in a Brazilian semiarid region

Costa

Ribeiro

Duarte

et al. 2013

Rev. Bras. Parasitol. Vet.

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The seroprevalence of Anaplasma marginale, Babesia bigemina, Babesia bovis and Trypanosoma vivax and the risk factors for these infections were investigated in 509 cows on 37 farms in the semiarid region of Paraíba, northeastern Brazil. Cow serum samples were tested by means of immunofluorescence assay (IFA) against each specific antigen. The mean seroprevalence values per farm were 15.0% (range: 0-75%) for A. marginale, 9.5% (range: 0-40%) for B. bigemina and 26.9% (range: 0-73.7%) for B. bovis. All cows tested negative for T. vivax. Higher prevalence for A. marginale was significantly associated with less frequent acaricide spraying per year and with higher use of injectable antihelminthics. Presence of cows positive for B. bigemina was significantly associated with acaricide use and with presence of horse flies on the farm. Both occurrence and higher prevalence of B. bovis were significantly associated with recent observations of ticks on cattle. Overall, the present results indicate that the region investigated is an enzootically unstable area for A. marginale, B. bigemina and B. bovis, since most animals were seronegative to at least one agent.Keywords: Anaplasma marginale, Babesia bigemina, Babesia bovis, cattle, risk factors, Brazil. ResumoA soroprevalência de Anaplasma marginale, Babesia bigemina, Babesia bovis e Trypanosoma vivax, assim como os fatores de risco para estas infecções, foram investigadas em 37 fazendas (total de 509 vacas) da região semiárida da Paraíba, nordeste do Brasil. A presença de anticorpos nos soros dos animais foi detectada pela técnica de imunofluorescência indireta, utilizando antígenos específicos. Os valores médios de soroprevalência por fazenda foram 15,0% (0-75%) para A. marginale, 9,5% (0-40%) para B. bigemina, e 26,9% (0-73,7%) para B. bovis. Todas as vacas foram soronegativas para T. vivax. As maiores prevalências de A. marginale foram significativamente associadas com menor uso de carrapaticidas por ano e com uso mais frequente de antihelmínticos injetáveis. A soroprevalência de B. bigemina foi significativamente associada com o uso de carrapaticidas, e com a presença de mutucas na fazenda. Tanto a ocorrência como a maior soroprevalência para B. bovis nas fazendas foram significativamente associadas com a presença recente de carrapatos nos bovinos. No geral, os resultados indicam que as fazendas amostradas estão situadas em área de instabilidade enzoótica para A. marginale, B. bigemina, e B. bovis, uma vez que a maioria dos animais foi soronegativa para pelo menos um dos agentes.Palavras-chave: Anaplasma marginale, Babesia bigemina, Babesia bovis, bovino, fatores de risco, Brasil.

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Section: Discussionsupporting

confidence: 54%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Seroprevalence and risk factors for cattle anaplasmosis, babesiosis, and trypanosomiasis in a Brazilian semiarid region

Costa

Ribeiro

Duarte

et al. 2013

Rev. Bras. Parasitol. Vet.

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“…Reportes inferiores fueron realizados por CALDERON-GONÇALVES et al (2011), quienes informaron frecuencias de 28,2% de hematozoarios en el estado de San Pablo, Brasil. Sin embargo, COSTA et al (2011), reportaron frecuencias muy superiores que oscilaban entre el 2 y 80% de hematozoarios en el estado de Paraíba, Brasil. BUTLER et al (2012) y NIJHOF et al (2007, confirmaron transmisión autóctona de B. caballi y T. equi en equinos de zonas endémicas y concluyen que la presencia de Dermacentor reticulatus son las causas de los casos clínicos y de los anticuerpos detectados.…”

Section: Resultados Y Discusiónunclassified

Casuística clínica más frecuente en el servicio ambulatorio de grandes animales de la Universidad de Córdoba, Colombia

2017

Rev Colombiana Cienc Anim. RECIA

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ResumenEl objetivo principal fue identificar la frecuencia de las patologías comúnmente encontradas en los grandes animales de las diferentes explotaciones ganaderas del departamento de Córdoba, Colombia. Entre los años 2008 y 2015, fueron evaluados clínicamente, epidemiológicamente y con pruebas diagnósticas, 2795 bovinos y 513 equinos con el fin de establecer su respectivo diagnóstico y la estrategia de manejo adecuada. Los datos fueron clasificados por especie y sistema afectado, siendo los bovinos los de mayor casuística (84,5%), seguido por los equinos (15,5%). Razón por la cual se describen las condiciones patológicas más frecuentes encontradas en estos animales y sus causas probables. Los casos más destacados fueron para ambas especies en el sistema Hematopoyético, donde los hematropicos endoglobulares (Babesia spp y Anaplasma spp) fueron la principal causa. El 5% de los pacientes recibió tratamiento quirúrgico, siendo la piel y anexos los más intervenidos, mientras que el 95% de los casos recibió tratamiento médico. La casuística atendida en el área de médico-quirúrgica entre los años 2008 y 2015 fue elevada, por lo que se hace necesario el seguimiento de los problemas que aquejan a los grandes animales en el Departamento de Córdoba y se recomienda la impartición de cursos cortos en centros de adiestramiento para los medianos y pequeños productores, con el fin de que mejoren los sistemas de manejo y profilaxis de los animales de trabajo y producción. Palabras Clave:Bovinos; equinos; frecuencia; casos clínicos. Key words:Cattle; equine; frequency; clinical cases. AbstractThe main objective was to identify the frequency of diseases commonly encountered, was conducted large animals from different farms in the department of Cordoba, Colombia. Between 2008 and 2015, were evaluated clinical, epidemiological and laboratorial, 2795 cattle and 513 horses in order to establish their respective diagnosis and appropriate management strategy. The data were classified by species and affected system, with cattle having more patients (84.5%), followed by horses (15.5%). Therefore the most common pathological conditions found in these animals and their probable causes are described. Among them, the most important for both species were the Hematopoietic system where endoglobular hematropicos (Babesia sp. and Anaplasma sp.) were the main cause. 5% of the patients received surgical treatment, with the skin and exhibits the surgery, while 95% of cases received medical treatment. Cases seen in the medicalsurgical area between 2008 and 2015 was high, so tracking problems facing large animals in the Department of Córdoba is necessary and delivery of short courses is recommended training centers for small and medium producers, in order to improve management systems and prophylaxis of animal work and production.

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“…Another possibility is that some horses were infected with other piroplasms species. In fact, it has been observed that horses can carry B. bovis and B. bigemina DNA (Bulling et al 2007), which are highly prevalent parasites in cattle at Northeastern region of Brazil (Costa et al 2011).…”

Section: Isabel B Ribeiro Et Al 220mentioning

confidence: 99%

Detection of Theileria equi in spleen and blood of asymptomatic piroplasm carrier horses

Ribeiro

Câmara

Bittencourt

et al. 2013

Acta Parasitologica

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This study aimed to determine whether asymptomatic horses naturally infected with Theileria equi retain infected erythrocytes in the spleen and whether the presence of the hemoparasite in this organ is associated with parasitemia. We collected samples from 25 adult horses without clinical signs of any disease. From each animal, we collected whole blood samples from the jugular vein and a splenic puncture blood sample. All samples were submited to blood cell counts and detection of Theileria or Babesia. DNA extraction and PCR were performed in all samples for identification of piroplasm infection (T. equi and B. caballi). From the 25 horses evaluated for piroplasm detection by PCR, seven horses (28%) were positive in jugular vein blood but negative in splenic blood samples, five horses (20%) were positive in splenic blood samples but negative in jugular vein blood samples, and 13 horses (52%) were positive in both jugular vein and splenic blood samples. The hematological evaluation revealed anemia in 13 of 25 (52%) infected horses, lymphopenia in five (20%), neutrophilia in two (8%), neutropenia in one (4%), and thrombocytopenia in one (4%) infected horse. The present study demonstrated that several (20%) of the asymptomatic piroplasm carrier horses did not show parasitemia, but show infected erythrocytes in the spleen.

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Tristeza parasitária bovina no Sertão da Paraíba

Cited by 22 publications

References 9 publications

Seroprevalence and risk factors for cattle anaplasmosis, babesiosis, and trypanosomiasis in a Brazilian semiarid region

Seroprevalence and risk factors for cattle anaplasmosis, babesiosis, and trypanosomiasis in a Brazilian semiarid region

Casuística clínica más frecuente en el servicio ambulatorio de grandes animales de la Universidad de Córdoba, Colombia

Detection of Theileria equi in spleen and blood of asymptomatic piroplasm carrier horses

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