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Mostrando ítems 1-18 de 18

    • A novel real-time PCR assay for quantitative detection of Campylobacter fetus based on ribosomal sequences 

      Iraola, Gregorio; Pérez, Ruben; Betancor, Laura; Marandino, Ana; Morsella, Claudia Graciela; Mendez, Maria Alejandra; Paolicchi, Fernando; Piccirillo, Alessandra; Tomás, Gonzalo; Velilla, Alejandra Vanesa; Calleros, Lucía (BMC, 2016-12)
      Background: Campylobacter fetus is a pathogen of major concern for animal and human health. The species shows a great intraspecific variation, with three subspecies: C. fetus subsp. fetus, C. fetus subsp. venerealis, and ...

    • Accurate and fast identification of Campylobacter fetus in bulls by real-time PCR targeting a 16S rRNA gene sequence 

      Delpiazzo, Rafael; Barcellos, Maila; Barros, Sofia; Bentacor, Laura; Fraga, Martin; Gil, Jorge; Iraola, Gregorio; Morsella, Claudia Graciela; Paolicchi, Fernando; Perez, Ruben; Riet Correa, Franklin; Sanguinetti, Margarita; Silva Silveira, Caroline da; Caballeros, Lucía (Elsevier, 2020-12-24)
      Campylobacter fetus is an important animal pathogen that causes infectious infertility, embryonic mortality and abortions in cattle and sheep flocks. There are two recognized subspecies related with reproductive disorders ...

    • Bovine campylobacteriosis in bulls: insights in the conventional and molecular diagnosis 

      García, Juan Agustín; Farace, Pablo Daniel; Gioffre, Andrea; Morsella, Claudia Graciela; Mendez, Maria Alejandra; Acuña, Joaquín; Aller Atucha, Juan Florencio; Signorini Porchiett, Marcelo Lisandro; Paolicchi, Fernando (Springer Nature, 2023-03)
      Campylobacter fetus is a gram-negative motile bacterium, with two subspecies relevant to cattle health: C. fetus subsp. venerealis (Cfv) and C. fetus subsp. fetus (Cff). Both subspecies are associated with reproductive ...

    • Bovine campylobacteriosis in heifer: pathogenesis study and insights in the conventional and molecular diagnosis in an experimental bovine model and field cases 

      Garcia, Juan Agustin; Farace, Pablo Daniel; Gioffre, Andrea; Romeo, Florencia; Verna, Andrea Elizabeth; Mendez, Maria Alejandra; Morsella, Claudia Graciela; Aller Atucha, Juan Florencio; Signorini Porchiett, Marcelo Lisandro; Paolicchi, Fernando (Springer Nature, 2024-02)
      Campylobacter fetus spp. is a bacterium associated to reproductive losses in cattle worldwide. It is a venereal infectious disease known as bovine campilobacteriosis, with high impact mainly in countries with extensive ...

    • Changes in the aerobic vaginal flora after treatment with different intravaginal devices in ewes 

      Manes, Jorgelina; Fiorentino, María Andrea; Kaiser, German Gustavo; Hozbor, Federico Andres; Alberio, Ricardo; Sánchez, Esteban O.; Paolicchi, Fernando (Elsevier, 2010-11)
      The objective of this study was to characterize the vaginal bacterial flora and subsequent pregnancy rates after AI in sheep subjected to 4 different estrous synchronization regimes – the use of two intravaginal devices ...

    • Clinical‑pathological findings induced by Histophilus somni isolated in subacute cardiac death in feedlot cattle 

      de Yaniz, María Guadalupe; Fiorentino, María Andrea; García, Jorge; Viviani, Florencia; Schofs, Laureano; Bence, Angel; Paolicchi, Fernando; Sánchez Bruni, Sergio (Springer, 2022-11)
      The purpose of this report is to provide information about the different presentations of cardiac and extra-cardiac histophilosis and, to assess the antimicrobial (ATM) susceptibility of Histophilus somni isolated from ...

    • Current trends in bovine abortion in Argentina 

      Morrell, Eleonora Lidia; Campero, Carlos Manuel; Canton, German Jose; Odeon, Anselmo Carlos; Moore, Prando Dadin; Odriozola, Ernesto Raul; Paolicchi, Fernando; Fiorentino, María Andrea (Colegio Brasileiro de Pathología Animal, 2019-01)
      Bovine abortion is an important cause of significant economic losses in beef and dairy herds. This syndrome is usually difficult to diagnose. The aim of this study was to characterize bovine abortion causes in Argentina ...

    • Detección de serovares de Salmonella en terneros de crianza artificial de la región lechera Mar y Sierras, Argentina 

      Bilbao, Gladys; Malena, Rosana Claudia; Passucci, Juan; Pinto de Almeida Castro, Aldana; Paolicchi, Fernando; Soto, Pedro; Cantón, Juliana; Monteavaro, Cristina (Elsevier, 2019-01-09)
      La salmonelosis es una de las enfermedades bacterianas que afectan el tracto digestivo de los terneros y provocan en ellos diarrea. Con el objetivo de estudiar la prevalencia de los distintos serovares de Salmonella en ...

    • Detection of Mycobacterium avium subsp. paratuberculosis and other mycobacteria in retail milk and dairy products in Argentina 

      Cirone, Karina Mariela; Morsella, Claudia Graciela; Mendez, Laura Luján; Paolicchi, Fernando (Ediciones INTA, 2022-11)
      Mycobacterium avium subsp. paratuberculosis (MAP) is the etiologic agent of paratuberculosis or Johne’s disease (JD), a chronic enteritis disease that affects cattle and other animal species and has been linked to Crohn’s ...

    • Early-stage findings in an experimental calf model infected with Argentinean isolates of Mycobacterium avium subsp. Paratuberculosis 

      Ingratta, Giselle Gabriela; Stempler, Ana; Fernández, Bárbara; Colavecchia, Silvia Beatriz; Jolly, Ana; Minatel, Leonardo; Paolicchi, Fernando; Mundo, Silvia Leonor (Elsevier, 2023-05)
      Mycobacterium avium subsp. paratuberculosis (MAP) is an important pathogen that causes granulomatous enteritis known as Johne’s disease or paratuberculosis (PTB). In this study an experimental model of calves infected with ...

    • Epidemic abortions due to Neospora caninum infection in farmed red deer (Cervus elaphus) 

      Soler, Juan Pablo; Moré, Gastón; Urtizbiria, Facundo Nahuel; Hecker, Yanina; Cirone, Karina Mariela; Scioli, Maria Valeria; Paolicchi, Fernando; Fiorentino, María Andrea; Louge Uriarte, Enrique Leopoldo; Canton, German Jose; Verna, Andrea Elizabeth; Morrell, Eleonora Lidia; Moore, Prando Dadin (Springer Nature, 2022-03-19)
      This study describes for the first time an abortion outbreak caused by Neospora caninum in farmed red deer. During a 5-year period, farmed hinds, naturally mated, were regularly ultrasound monitored to detect reproductive ...

    • Immunological findings associated with Argentinean strains of Mycobacterium avium subsp. paratuberculosis in bovine models 

      Colavecchia, Silvia Beatriz; Fernández, Bárbara; Jolly, Ana; Minatel, Leonardo; Hajos, Silvia Elvira; Paolicchi, Fernando; Mundo, Silvia Leonor (Elsevier, 2016-08)
      Mycobacterium avium subspecies paratuberculosis (MAP) is the causative agent of ruminant paratuberculosis. The aim of this study was to evaluate the biological behavior of different Argentinean strains of MAP in two bovine ...

    • Isolation of Campylobacter fetus subsp. venerealis from seminal vesicle of a naturally challenged bull 

      García, Juan Agustín; Gioffre, Andrea; Acuña, Juaquín; Mendez, Maria Alejandra; Morsella, Claudia Graciela; Aller Atucha, Juan Florencio; Paolicchi, Fernando (Springer Verlag, 2021-09-03)
      Campylobacter fetus is a well-recognized pathogen that affects reproductive rate in cattle. In the present study, two Angus bulls were kept (39 days) separately with a group of heifers experimentally infected withCampylobacter ...

    • Lectin binding patterns and immunohistochemical antigen detection in placenta and lungs of Brucella abortus-bovine infected fetuses 

      Fiorentino, Marí­a Andrea; Campero, Carlos Manuel; Paolicchi, Fernando; Barbeito, Claudio Gustavo (2018)
      Lectin binding relies on the affinity of these substances for specific terminal sugars. The method facilitates the identification of complex structures to which the terminal sugar attaches and may reveal physiological or ...

    • Mycobacterium paratuberculosis detection in cow's milk in Argentina by immunomagnetic separation-PCR 

      Gilardoni, Liliana Rosa; Fernández, Bárbara; Morsella, Claudia Graciela; Mendez, Laura Luján; Jar, Ana María; Paolicchi, Fernando; Mundo, Silvia Leonor (Elsevier, 2016-06)
      The aim of this study was to standardize a diagnosis procedure to detect Mycobacterium avium subsp. paratuberculosis (Map) DNA in raw cow milk samples under field conditions. A procedure that combines both immunomagnetic ...

    • Neosporosis epidémica y endémica: descripción de dos eventos en bovinos para cría = Endemic and epidemic bovine neosporosis: description of two events in beef cattle 

      Calandra, Patricio M.; Di Matía, José M.; Cano, Dora Beatriz; Odriozola, Ernesto Raul; García, Juan Agustín; Spath, Ernesto Juan; Odeon, Anselmo Carlos; Paolicchi, Fernando; Morrell, Eleonora Lidia; Campero, Carlos Manuel; Moore, Prando Dadin (Elsevier, 2014-12)
      El objetivo de este trabajo es describir dos eventos producidos en la provincia de Buenos Aires en los cuales Neospora caninum estuvo asociado a la ocurrencia de abortos en bovinos de cría para carne. En uno de ellos se ...

    • Ovine abortion by Neospora caninum: first case reported in Argentina 

      Hecker, Yanina; Morrell, Eleonora Lidia; Fiorentino, María Andrea; Gual, Ignacio; Rivera, Emilia; Fiorani, Franco; Dorsch, Matías; Gos, María Laura; Pardini, Lais; Scioli, María; Magariños, Sergio; Paolicchi, Fernando; Canton, German Jose; Moore, Prando Dadin (Springer Verlag Germany, 2019-09-04)
      Purpose The aim of this study was to describe for the first time a natural case of ovine abortion associated with Neospora caninum in a flock with reproductive losses in Argentina. Materials and Methods The analyzed ...

    • Spatial–temporal trends and economic losses associated with bovine abortifacients in central Argentina 

      Canton, German Jose; Moreno, Fabiana Carina; Fiorentino, María Andrea; Hecker, Yanina; Spetter, Lucas Maximiliano; Fiorani, Franco; Monterubbianesi, María Gloria; Garcia, Juan Angel; González Altamiranda, Erika; Cirone, Karina Mariela; Louge Uriarte, Enrique Leopoldo; Verna, Andrea Elizabeth; Marin, Maia; Cheuquepan Valenzuela, Felipe Andres; Malena, Rosana Claudia; Morsella, Claudia Graciela; Paolicchi, Fernando; Morrell, Eleonora Lidia; Moore, Prando Dadin (Springer, 2022-07-30)
      The aims of this work are, firstly, to provide the geolocalization of cases of bovine abortion with definitive diagnosis and, secondly, to estimate the economic losses due to the most frequent abortifacients diagnosed ...