Results 41 to 50 of about 30,532 (189)

O5-5 Pathogenesis of Brucella ovis in pregnant mice and protection induced by the candidate vaccine strain B. ovis ∆abcBA

open access: yes, 2023
Ovine brucellosis caused by Brucella ovis is a major cause of reproductive failure in sheep. This study aimed to evaluate transplacental infection and pathogenicity of B.ovis wild type strain ATCC 25840 (WT B.ovis) and the candidate vaccine strain ...
Silva, Laice Alves   +8 more
core   +1 more source

Association of Maedi Visna virus with Brucella ovis infection in rams

open access: yesEuropean Journal of Histochemistry, 2009
Maedi Visna Virus (MVV) is the etiological agent of a systemic disease of sheep, which causes lesions in lungs, the central nervous system, joints, and mammary glands.
S Preziuso   +8 more
doaj   +1 more source

Bacterial composition of Polygenis (Polygenis) bohlsi bohlsi (Wagner, 1901) (Siphonaptera: Rhopalopsyllidae) associated with Thrichomys fosteri (Rodentia: Echimyidae) in the Brazilian Pantanal wetland

open access: yesMedical and Veterinary Entomology, EarlyView.
This study characterizes the bacteriome of Polygenis (Polygenis) bohlsi bohlsi fleas collected from free‐living Thrichomys fosteri in the Pantanal region of Brazil. The bacterial microbiota associated with male fleas exhibited greater phylogenetic diversity, and the overall community structure differed between the flea sexes.
Michelli Inácio Gonçalves Funnicelli   +13 more
wiley   +1 more source

Ocorrência da infecção por Brucella ovis em ovinos do município de Alegre/ES

open access: yes, 2018
O estudo teve como objetivo verificar a prevalência da infecção por Brucella ovis em rebanhos de ovinos na cidade de Alegre, localizada no sul do estado do Espírito Santo, Brasil. A infecção afeta principalmente o trato reprodutivo dos animais infectados,
Macllene Rodrigues Zeferino   +5 more
core   +1 more source

Avaliação de adjuvantes para formulação de vacina Brucella ovis gama-irradiada em modelo murino de infecção por Brucella ovis [PDF]

open access: yes, 2022
Brucellosis is an important infectious disease caused by coccobacilli, Gram-negative, facultative intracellular bacteria member of the genus Brucella. Ovine brucellosis, whose etiological agent is Brucella ovis, causes reproductive and economic losses ...
Laice Alves da Silva
core  

Engraftment of sheep splenic lymphocytes into NBSGW mice and application in Brucella infection

open access: yesAnimal Models and Experimental Medicine, Volume 9, Issue 8, Page 1602-1612, August 2026.
A sheep splenocyte‐reconstituted mouse model (Sh‐Spl mice) was established via intravenous injection of sheep splenic lymphocytes into immunodeficient mice to evaluate Brucella infection. Abstract Background The development of immune reconstituted xenograft mouse models has addressed the limitations imposed by interspecies immunological differences in ...
Xiaowei Wang   +9 more
wiley   +1 more source

Prevalência da brucelose ovina em carneiros no Estado de Santa Catarina

open access: yesAgropecuária Catarinense, 2021
Com objetivo de determinar a prevalência de anticorpos contra Brucella ovis foram examinados 95 carneiros provenientes de 23 cabanhas localizadas em 13 municípios de Santa Catarina.
Volney Silveira de Avila   +3 more
doaj  

Comparative Review of Brucellosis in Small Domestic Ruminants

open access: yesFrontiers in Veterinary Science, 2022
Brucella melitensis and Brucella ovis are the primary etiological agents of brucellosis in small domestic ruminants. B. melitensis was first isolated in 1887 by David Bruce in Malta Island from spleens of four soldiers, while B.
Carlos Alberto Rossetti   +4 more
doaj   +1 more source

Evolutionary and Ecological Determinants of the Phenology of Births in Wild Large Herbivores, a Systematic Review

open access: yesMammal Review, Volume 56, Issue 2, June 2026.
This semi‐systematic review supports the two dominant drivers of birth phenology: the seasonality and predation hypotheses. Even though there is evidence of their importance, the effects of female, offspring and population characteristics remain marginally accounted for. Asian and South and Central American species are currently understudied.
Lucie Thel   +2 more
wiley   +1 more source

Inquérito soro-epidemiológico e fatores de risco associados à infecção por Brucella ovis em carneiros deslanados do semi-árido da Paraíba Sero-epidemiological survey and risk factors for Brucella ovis infection in rams of the semiarid region of Paraíba, northeastern Brazil

open access: yesPesquisa Veterinária Brasileira, 2007
Foi realizado um levantamento soro-epidemiológico da brucelose por Brucella ovis em reprodutores ovinos deslanados na Paraíba com os objetivos de verificar a prevalência e distribuição da infecção por B.
Inácio J. Clementino   +4 more
doaj   +1 more source

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