2011
DOI: 10.1007/s11250-011-9964-4
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Abstract: Despite the importance of small ruminants breeding in developing countries, milk/meat productivity remains unsatisfactory. Infectious diseases, such as leptospirosis, brucellosis, and small ruminant lentiviruses (SRLVs), contribute to this scenario. The objective of the present study was to determine the role of each of these diseases in the productivity of small ruminants breeding in Rio de Janeiro, Brazil. In goats, 343 samples were tested for leptospirosis, 560 for Brucella abortus, and 506 for caprine arth… Show more

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Cited by 57 publications
(55 citation statements)
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“…This outcome supports the recommendation of combined use of MAT and PCR for a more efficient diagnosis of leptospirosis (OTAKA et al, 2013). The present study reported a lower prevalence of seroreactive animals than that observed in other Brazilian regions, such as 34.3% in the South (HERRMANN et al, 2004), 47.4% in the Southeast (MARTINS et al, 2012), and 33.3% in the North (AGUIAR et al, 2010). However, this prevalence was comparable to those reported in studies conducted in the semiarid region of northeast Brazil, which varied from 3.5% in Rio Grande do Norte (AZEVEDO et al, 2004) to 5.4% and 8.2% in Paraiba (ALVES et al, 2012;COSTA et al, 2016).…”
Section: Discussionsupporting
confidence: 90%
See 1 more Smart Citation
“…This outcome supports the recommendation of combined use of MAT and PCR for a more efficient diagnosis of leptospirosis (OTAKA et al, 2013). The present study reported a lower prevalence of seroreactive animals than that observed in other Brazilian regions, such as 34.3% in the South (HERRMANN et al, 2004), 47.4% in the Southeast (MARTINS et al, 2012), and 33.3% in the North (AGUIAR et al, 2010). However, this prevalence was comparable to those reported in studies conducted in the semiarid region of northeast Brazil, which varied from 3.5% in Rio Grande do Norte (AZEVEDO et al, 2004) to 5.4% and 8.2% in Paraiba (ALVES et al, 2012;COSTA et al, 2016).…”
Section: Discussionsupporting
confidence: 90%
“…Since sheep breeding is predominantly developed for families' income generation and subsistence, infectious diseases are an important factor contributing to low productivity (MARTINS et al, 2012). Among these, leptospirosis is relevant as it is widely disseminated and causes abortions, stillbirths or birth of weak offspring, as well as a decrease in milk production (HIGINO & AZEVEDO, 2014;ELLIS, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…The frequency of seropositive sheep in this study was lower than that previously reported for most studies conducted with this species in other Brazilian states: 34.3% in Rio Grande do Sul (HERRMANN et al, 2004), 33.3% in Rondônia (AGUIAR et al, 2010, 22.0% in Minas Gerais (SALABERRY et al, 2011), 47.4% in Rio de Janeiro (MARTINS et al, 2012), and 22.8% in São Paulo (RIZZO et al, 2014). However, these frequencies were higher than those found in surveys conducted in the Northeast region: 3.5% in Rio Grande do Norte (AZEVEDO et al, 2004) and 7.5% in Paraíba (HIGINO et al, 2010).…”
Section: Resultscontrasting
confidence: 69%
“…When a serovar is adapted to a particular species, the chronic form of the disease predominates and, in these cases, miscarriages, stillbirths, birth of weak offspring, and high mortality rates within the first few days of life are common (GERRITSEN et al, 1994). During accidental infection, the acute form of the disease predominates; in these cases, fever, anorexia, depression, jaundice, anemia, and hemorrhagic syndromes are the most perceived signs in small ruminants (MARTINS et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Studies conducted by different microscopic serum agglutination techniques in some States of Brazil have detected anti-Leptospira antibody in sheep, with wide variation of anti-Leptospira prevalence and serovars (Langoni et al, 1995;Caldas et al, 1995;1996;Mota et al, 1999;Herrmann et al, 2004;Aguiar et al, 2010;Hashimoto et al, 2010;Higino et al, 2010, Carvalho et al, 2011Salaberry et al, 2011;Alves et al, 2012;Martins et al, 2012).…”
Section: Introductionmentioning
confidence: 99%