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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
16/06/2005 |
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Data da última atualização: |
22/06/2005 |
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Autoria: |
CORRÊA-FERREIRA, B. S.; DOMIT, L. A.; CREPALDI, L. M.; LIMA, R. A.; COSTA, J. M.; BUASKY, E.; ALVES, L. C. |
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Título: |
Utilização do controle biológico de percevejos da soja em áreas de microbacias. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
In: EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR). Resultados de pesquisa da Embrapa Soja 1996. Londrina, 1997. |
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Páginas: |
p. 75-76. |
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Série: |
(EMBRAPA-CNPSo. Documentos, 104).
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Idioma: |
Português |
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Thesagro: |
Controle Biológico; Inseto; Praga de Planta; Soja. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00787naa a2200253 a 4500
001 1467610
005 2005-06-22
008 1997 bl uuuu u00u1 u #d
100 1 $aCORRÊA-FERREIRA, B. S.
245 $aUtilização do controle biológico de percevejos da soja em áreas de microbacias.
260 $c1997
300 $ap. 75-76.
490 $a(EMBRAPA-CNPSo. Documentos, 104).
650 $aControle Biológico
650 $aInseto
650 $aPraga de Planta
650 $aSoja
700 1 $aDOMIT, L. A.
700 1 $aCREPALDI, L. M.
700 1 $aLIMA, R. A.
700 1 $aCOSTA, J. M.
700 1 $aBUASKY, E.
700 1 $aALVES, L. C.
773 $tIn: EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR). Resultados de pesquisa da Embrapa Soja 1996. Londrina, 1997.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
10/12/2021 |
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Data da última atualização: |
10/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
LIMA, A. M. C.; ALVES, F. S. F.; PINHEIRO, R. R.; ALVES, S. M.; FARIAS, D. A. de; ANDRIOLI, A.; ELOY, A. M. X.; SANTOS, M. D. dos; CARDOSO, J. de F. S.; PAULA, N. R. de O. |
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Afiliação: |
ANA MILENA CÉSAR LIMA, Federal University of Piauí (UFPI), Teresina, PI, Brazil; FRANCISCO SELMO FERNANDES ALVES, CNPC; RAYMUNDO RIZALDO PINHEIRO, CNPC; SAMILLY MESQUITA ALVES, Federal University of Ceará (UFC) - Fortaleza, CE, Brazil; DANIELE ALVES DE FARIAS, Technological Education Center Institute (CENTEC) - Granja, CE, Brazil; ALICE ANDRIOLI PINHEIRO, CNPC; ANGELA MARIA XAVIER ELOY, CNPC; MARIA DALILA DOS SANTOS, University Center Inta (UNINTA) - Sobral, CE, Brazil; JANAINA DE FATIMA SARAIVA CARDOSO; NEY RÔMULO DE OLIVEIRA PAULA. |
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Título: |
Risk factors associated with seroprevalence of Chlamydia abortus in sheep farms in Ceará, Brazil. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Acta Scientiae Veterinariae, v. 49, pub 1784, 2021. |
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DOI: |
https://doi.org/10.22456/1679-9216.108045 |
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Idioma: |
Inglês |
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Conteúdo: |
Background: Chlamydia abortus infections (Chlamydiosis) can cause reproductive problems in sheep, such as abortions and birth defects, leading to farm productivity loss. The symptoms, which are similar to other reproductive diseases, and the microbial pathogenesis make the clinical diagnosis difficult. Chlamydia abortus is a zoonotic pathogen, making it a public health issue because it can infect and induce abortions in humans. This study investigated anti-C. abortus antibody levels and infection risk factors in sheep in the State of Ceará, Brazil. Materials, Methods & Results: Forty-three properties from 10 municipalities in 4 mesoregions in the State of Ceará, Brazil (Sertões, metropolitan Fortaleza, North Ceará and Northwest Ceará) with sheep, goats, cattle, and horses were visited. Five hundred and four serological samples from sheep were collected and tested for anti-C. abortus antibodies using an Enzyme-linked Immunosorbent Assay (ELISA) [IDEXX®, Australia] and all procedures were performed in accordance with the manufacturer's instructions at the Clinical Pathology Laboratory of EMBRAPA Goats and Sheep (Sobral, Brazil). Individual questionnaires were completed about sheep breeding practices and to identify possible C. abortus risks. Seropositive results were found in 18.45 % (93/504 individuals) of sheep, and 88.37 % (38/43 properties) of the herds had at least one seropositive animal. The number of seropositive individuals was significantly different between adults and ewes [P < 0.01; Odds Ratio (OR) = 0.510; 95% confidence interval (CI) = 0.306 - 0.850]. Logistic regression modeling identified a missing health certificate request for newly acquired animals as a chlamydiosis risk factor [P = 0.038; OR = 2.672; 95% CI = 1.058 - 6.749]. Discussion: The prevalence of anti-C. abortus antibodies in sheep in the State of Ceara emphasizes the importance of testing and tracking the disease spread among herds; these results were similar to studies in other areas of Brazil. Adult sheep that spend more time on the property may have a higher exposure risk because of increased reproductive activity. Misinformation and technical limitations can influence the proper handling of animals avoiding contagion through the correct use of techniques and recommendations. Disease transmission occurs through the digestive tract and between mother and fetus. Therefore, seropositive (infected) sheep may be related to the breeding system practices, such as allowing contact between sheep and other species on the property (goats, cattle, and horses) during breeding. Acquiring animals from external sources without sufficient health information can increase the transmission risk. Contaminated pastures, water, food, and air also increase transmission risk. The lack of technical and practical knowledge regarding disease prevention and control also contributes to disease transmission, resulting in reproductive losses due to high abortion rates. Chlamydia abortus has zoonotic potential and may infect humans without proper safety information. Therefore, future epidemiological studies are required for a better understanding of the primary risk factors for disease occurrence and spread among herds in the region. Chlamydia abortus infection is present in sheep in Ceará, Brazil. Chlamydiosis information programs should be adopted, sanitary measures implemented, and the epidemiological surveillance of sheep herds strengthened. MenosBackground: Chlamydia abortus infections (Chlamydiosis) can cause reproductive problems in sheep, such as abortions and birth defects, leading to farm productivity loss. The symptoms, which are similar to other reproductive diseases, and the microbial pathogenesis make the clinical diagnosis difficult. Chlamydia abortus is a zoonotic pathogen, making it a public health issue because it can infect and induce abortions in humans. This study investigated anti-C. abortus antibody levels and infection risk factors in sheep in the State of Ceará, Brazil. Materials, Methods & Results: Forty-three properties from 10 municipalities in 4 mesoregions in the State of Ceará, Brazil (Sertões, metropolitan Fortaleza, North Ceará and Northwest Ceará) with sheep, goats, cattle, and horses were visited. Five hundred and four serological samples from sheep were collected and tested for anti-C. abortus antibodies using an Enzyme-linked Immunosorbent Assay (ELISA) [IDEXX®, Australia] and all procedures were performed in accordance with the manufacturer's instructions at the Clinical Pathology Laboratory of EMBRAPA Goats and Sheep (Sobral, Brazil). Individual questionnaires were completed about sheep breeding practices and to identify possible C. abortus risks. Seropositive results were found in 18.45 % (93/504 individuals) of sheep, and 88.37 % (38/43 properties) of the herds had at least one seropositive animal. The number of seropositive individuals was significantly different between adults a... Mostrar Tudo |
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Palavras-Chave: |
Chlamydia abortus. |
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Thesaurus NAL: |
Abortion (animals); Bacterial infections; Brazil; Chlamydiosis; Chlamydophila abortus; Epidemiology; Reproductive disorders; Semiarid zones; Serology; Sheep diseases; Small ruminants. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/228896/1/CNPC-2021-Art-95.pdf
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Marc: |
LEADER 04599naa a2200385 a 4500
001 2137492
005 2021-12-10
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.22456/1679-9216.108045$2DOI
100 1 $aLIMA, A. M. C.
245 $aRisk factors associated with seroprevalence of Chlamydia abortus in sheep farms in Ceará, Brazil.$h[electronic resource]
260 $c2021
520 $aBackground: Chlamydia abortus infections (Chlamydiosis) can cause reproductive problems in sheep, such as abortions and birth defects, leading to farm productivity loss. The symptoms, which are similar to other reproductive diseases, and the microbial pathogenesis make the clinical diagnosis difficult. Chlamydia abortus is a zoonotic pathogen, making it a public health issue because it can infect and induce abortions in humans. This study investigated anti-C. abortus antibody levels and infection risk factors in sheep in the State of Ceará, Brazil. Materials, Methods & Results: Forty-three properties from 10 municipalities in 4 mesoregions in the State of Ceará, Brazil (Sertões, metropolitan Fortaleza, North Ceará and Northwest Ceará) with sheep, goats, cattle, and horses were visited. Five hundred and four serological samples from sheep were collected and tested for anti-C. abortus antibodies using an Enzyme-linked Immunosorbent Assay (ELISA) [IDEXX®, Australia] and all procedures were performed in accordance with the manufacturer's instructions at the Clinical Pathology Laboratory of EMBRAPA Goats and Sheep (Sobral, Brazil). Individual questionnaires were completed about sheep breeding practices and to identify possible C. abortus risks. Seropositive results were found in 18.45 % (93/504 individuals) of sheep, and 88.37 % (38/43 properties) of the herds had at least one seropositive animal. The number of seropositive individuals was significantly different between adults and ewes [P < 0.01; Odds Ratio (OR) = 0.510; 95% confidence interval (CI) = 0.306 - 0.850]. Logistic regression modeling identified a missing health certificate request for newly acquired animals as a chlamydiosis risk factor [P = 0.038; OR = 2.672; 95% CI = 1.058 - 6.749]. Discussion: The prevalence of anti-C. abortus antibodies in sheep in the State of Ceara emphasizes the importance of testing and tracking the disease spread among herds; these results were similar to studies in other areas of Brazil. Adult sheep that spend more time on the property may have a higher exposure risk because of increased reproductive activity. Misinformation and technical limitations can influence the proper handling of animals avoiding contagion through the correct use of techniques and recommendations. Disease transmission occurs through the digestive tract and between mother and fetus. Therefore, seropositive (infected) sheep may be related to the breeding system practices, such as allowing contact between sheep and other species on the property (goats, cattle, and horses) during breeding. Acquiring animals from external sources without sufficient health information can increase the transmission risk. Contaminated pastures, water, food, and air also increase transmission risk. The lack of technical and practical knowledge regarding disease prevention and control also contributes to disease transmission, resulting in reproductive losses due to high abortion rates. Chlamydia abortus has zoonotic potential and may infect humans without proper safety information. Therefore, future epidemiological studies are required for a better understanding of the primary risk factors for disease occurrence and spread among herds in the region. Chlamydia abortus infection is present in sheep in Ceará, Brazil. Chlamydiosis information programs should be adopted, sanitary measures implemented, and the epidemiological surveillance of sheep herds strengthened.
650 $aAbortion (animals)
650 $aBacterial infections
650 $aBrazil
650 $aChlamydiosis
650 $aChlamydophila abortus
650 $aEpidemiology
650 $aReproductive disorders
650 $aSemiarid zones
650 $aSerology
650 $aSheep diseases
650 $aSmall ruminants
653 $aChlamydia abortus
700 1 $aALVES, F. S. F.
700 1 $aPINHEIRO, R. R.
700 1 $aALVES, S. M.
700 1 $aFARIAS, D. A. de
700 1 $aANDRIOLI, A.
700 1 $aELOY, A. M. X.
700 1 $aSANTOS, M. D. dos
700 1 $aCARDOSO, J. de F. S.
700 1 $aPAULA, N. R. de O.
773 $tActa Scientiae Veterinariae$gv. 49, pub 1784, 2021.
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