Prevalência de leptospirose em caprinos leiteiros do semiárido paraibano

Higino, Severino Silvano dos Santos; Alves, Clebert José; Santos, Carolina S.A.B.; Vasconcellos, Sílvio Arruda; Silva, Maria Luana Cristiny Rodrigues; Brasil, Arthur Willian de Lima; Pimenta, Carla Lauise Rodrigues Menezes; Azevêdo, Sérgio Santos de

doi:10.1590/s0100-736x2012000300003

Cited by 17 publications

(14 citation statements)

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“…Hardjobovis and Autumnalis were the most frequent serovars of sheep and goats found in this study, a result that corroborates the findings of recent serological surveys conducted on small ruminants in Brazil (HERRMANN et al, 2004;LILENBAUM et al, 2007;ARAÚJO NETO et al, 2010;HIGINO et al, 2010;SALABERRY et al, 2011;CARVALHO et al, 2011;SANTOS et al, 2012;MARTINS et al, 2012;MORAES et al, 2012;ALVES et al, 2012;HIGINO et al, 2012;RIZZO et al, 2014). It was long believed that these animals acquired leptospirosis only by prior contact with other species (LEON-VIZCAINO et al, 1987), although the breeding of these species together with cattle breeding and the presence of rodents are important factors for the dissemination of the Hardjobovis and Autumnalis serovars, respectively (FAINE et al, 1999;SALABERRY et al, 2011;SEIXAS et al, 2011).…”

Section: Resultssupporting

confidence: 92%

Influence of storage on the chemical composition of Stylosanthes hays for equine feeding

et al. 2016

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The aim of this survey was to determine the frequency of anti-Leptospira spp. antibodies in goats and sheep slaughtered in different slaughterhouses in the State of Paraiba, in the semi-arid region of Northeastern Brazil. Blood samples were collected from 500 goats and 500 sheep randomly selected. To verify the presence of anti-Leptospira spp. antibodies the microscopic agglutination test (MAT), using 24 serovars as antigens, was used. From the 1,000 animals analyzed, 82 (8.2%; 95% CI = 7.0%-10.5%) were sero-reactive being 26/500 (5.2%; 95% CI = 3.5%-7.5%) in goats and 56/500 (11.2%; 95% CI = 8.7%-14.2%) in sheep. The most frequent serovars were Hardjobovis (14.6%) and Autumnalis (13.4%). In goats, the most frequent serovar was the Hardjobovis, and in sheep the Ballum, with frequencies of 19.2% and 17.9%, respectively. There was a significant difference in the frequency of positive animals among slaughterhouses, both for goats (p = 0.035) and for sheep (p = 0.004), with the county of Alhandra presenting the highest frequency of seropositive animals for both species. It is concluded that sheep and goats from the semiarid region of the Northeastern Brazil may have become adapted to the serovars Hardjobovis e Autumnalis, as well as wild rodents may be involved in the transmission of the disease. It is possible that the climatic conditions influenced in the transmissibility of the leptospirosis, especially in the Mata Paraibana mesoregion, however it was not considered as being sufficient to justify the low frequency of seropositive animals. In this way, it is possible to suggest the hypothesis that the rusticity of the small ruminants in the studied region contributed to the low sero-reactivity verified. Key words: Adaptability. Goats. Leptospirosis. Sheep. Rusticity. ResumoO objetivo deste estudo foi determinar a frequência de anticorpos anti-Leptospira spp. em caprinos e ovinos abatidos em diferentes matadouros no Estado da Paraíba, região semiárida do Nordeste brasileiro. Foi coletado sangue de 500 caprinos e 500 ovinos aleatoriamente selecionados. Para verificar a presença de anticorpos anti-Leptospira spp. empregou-se o teste soroaglutinação microscópica (SAM), utilizando-se 24 sorovares como antígenos. Dos 1.000 animais analisados 82 (8,2%; IC 95%= 7,0%-10,5%) foram sororreagentes, sendo 26/500 (5,2%; IC 95% =3,5%-7,5%) em caprinos e 56/500 (11,2%; IC 95% 8,7%-14,2%) em ovinos. Os sorovares mais frequentes foram Hardjobovis (14,6%) e Autumnalis (13,4%). Na espécie caprina, o sorovar mais frequente foi o Hardjobovis, e na espécie ovina o Ballum, com frequências de 19,2% e 17,9%, respectivamente. Houve diferença significativa na frequência de positivos entre os matadouros, tanto para caprinos (p = 0,035) quanto para ovinos (p = 0,004), com o município de Alhandra apresentando a maior frequência de soropositivos para ambas as espécies. Concluiu-se que ovinos e caprinos da região semiárida do Nordeste podem estar adaptados aos sorovares Hardjobovis e Autumnalis, bem como roedores silvestres estarem envolv...

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Section: Resultssupporting

confidence: 92%

Influence of storage on the chemical composition of Stylosanthes hays for equine feeding

et al. 2016

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“…Lilenbaum (1996) considers this serovar an incidental finding in cattle, and because its transmission occurs through contact with environments contaminated by leptospires eliminated from wild animals, it is believed that the presence of this serovar may also be an incidental finding in the equine species. The Sentot serovar was the third most common serovar in this study, with frequency of 14.30%, a result similar to that found by Higino et al (2012) in goats, but also in a semiarid region. Previously conducted studies have reported two cases of leptospirosis by the Sentot serovar in humans, thus emphasizing its zoonotic character (Corrêa et al, 1964).…”

Section: Introductionsupporting

confidence: 89%

Epidemiological characterization of leptospirosis in horses in the state of Pernambuco, northeastern Brazil

et al. 2016

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An epidemiological survey aiming to determine the occurrence of anti-Leptospira antibodies and to identify risk factors was carried out in horses of the Pajeú microregion, state of Pernambuco. Sera from 100 horses from 38 properties in four counties in the region were examined by the microscopic agglutination test (MAT), using 24 Leptospira spp. serovars as antigens. Of the 100 samples tested, 28 (28%) were positive. Most prevalent serovars were Patoc (35.71%), Butembo (32.14%) and Sentot (14.30%). Supply of pasture as forage (odds ratio =7.80; 95% confidence interval - 95%CI 1.71-35.50; p=0.008) was identify as risk factor. It is suggested the need for studies on agent isolation and characterization of its pathogenicity, as well as it is recommended the rodent control in deposits of feed and environment.

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“…However, it has never been described in small ruminants in Northeast Brazil, according to recent surveys (HIGINO et al, 2010;ALVES et al, 2012;HIGINO et al, 2012). This serovar is mainly reported in domestic and wild rodents, especially in the Rattus norvegicus species, which is considered an important source of infection for sheep (NATARAJASEENIVASAN & RATNAM, 1999).…”

Section: Discussionmentioning

confidence: 99%

Leptospirosis in native mixed-breed sheep slaughtered in a semiarid region of Brazil

et al. 2017

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Prevalência de leptospirose em caprinos leiteiros do semiárido paraibano

Cited by 17 publications

References 9 publications

Influence of storage on the chemical composition of Stylosanthes hays for equine feeding

Influence of storage on the chemical composition of Stylosanthes hays for equine feeding

Epidemiological characterization of leptospirosis in horses in the state of Pernambuco, northeastern Brazil

Leptospirosis in native mixed-breed sheep slaughtered in a semiarid region of Brazil

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