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Abortion outbreak caused by Campylobacter fetus subspecies venerealis and Neospora caninum in a bovine dairy herd
Macias Rioseco, Melissa; Caffarena, Rubén; Fraga, Martín; Silveira, Caroline; Giannitti, Federico; Canton, German Jose; Hecker, Yanina; Suanes, Alejandra; Riet Correa, Franklin (Instituto Nacional de Investigaciones Forestales, Agrícola y Pecuarias, México, 2019-11)In November 2015, an abortion outbreak occurred in a commercial dairy herd of 650 Holstein cows in Florida department, Uruguay. Forty-five (45) cows aborted within 3 wk. Five fetuses were subjected to gross and microscopic ... -
Atypical actinobacillosis in bulls in Argentina : granulomatous dermatitis and lymphadenitis = Actinobacilose atípica em touros na Argentina: dermatite granulomatosa e linfadenite
Margineda, Carlos Augusto; Odriozola, Ernesto Raul; Moreira, Ana Rita; Canton, German Jose; Micheloud, Juan Francisco; Gardey, Pedro; Spetter, Lucas Maximiliano; Campero, Carlos Manuel (2013-01)Actinobacillosis is a common cause of sporadic infection in cattle. It was mostly characterized as a pyogranulomatous inflammation of the tongue, but also soft tissues as lymph nodes, other digestive tract localization and ... -
Bovine neosporosis in dairy cattle from the southern highlands of Ecuador
Maldonado Rivera, J.E.; Vallecillo, A.J.; Pérez, C.L; Cirone, Karina Mariela; Dorsch, M.A.; Scioli, V.; Hecker, Yanina; Fiorani, Franco; Canton, German Jose; Moore, Prando Dadin (Elsevier, 2020-01-25)The aim of this study was to describe bovine neosporosis in dairy cattle from the Sierra region, Ecuador. A case-control study was performed on 841 dairy cattle from 5 dairy herds. The overall seroprevalence was 23.4% ... -
Caudal vena cava thrombosis in a dairy cow (Bos taurus) in Argentina
Schild, Carlos; Armendano, Joaquín Ignacio; Liboreiro, Matías; Bresky, Florencia; Morrell, Eleonora Lidia; Odriozola, Ernesto Raul; Canton, German Jose (2017)Caudal vena cava thrombosis (CVCT) is an acute disease secondary to ruminal lactic acidosis and rumenitis with fatal outcome in cattle fed with a high-grain diet. The aim of this paper is to describe CVCT in an adult ... -
Characterization of CD79acy + cells in placentas from ruminants
Canton, German Jose; Schock, Alex; Melo de Sousa, Noelita; Beckers, Jean-Francois; Chianini, Francesca (Elsevier, 2019-11)Previous work carried out to characterise different immune cells in ruminant placentas found strong CD79αcynuclear labelling in cells histologically resembling trophoblast cells. In the attempt to characterize this ... -
Characterization of Immune Cell Infiltration in the Placentome of Water Buffaloes (Bubalus bubalis) Infected with Neospora caninum During Pregnancy
Canton, German Jose; Konrad, Jose Luis; Moore, Prando Dadin; Caspe, Sergio Gaston; Palarea-Albaladejo, Javier; Campero, Carlos Manuel; Chianini, Francesca (Elsevier, 2014-05)Neospora caninum infection in cattle stimulates host immune responses, which may be responsible for placental damage leading to abortion. Susceptibility of water buffaloes (Bubalus bubalis) to neosporosis is not well ... -
Characterization of the first bovine gammaherpesvirus 4 strain isolated from an aborted bovine fetus in Argentina
Romeo, Florencia; Manrique, Julieta; Perez, Sandra; Louge Uriarte, Enrique Leopoldo; Marin, Maia Solange; Canton, German Jose; Leunda, Maria Rosa; González Altamiranda, Erika; Pereyra, Susana Beatriz; Spetter, Lucas Maximiliano; Odeon, Anselmo Carlos; Jones, Leandro; Verna, Andrea Elizabeth (Springer Verlag, 2020-01-24)Bovine herpesvirus 4 (BoHV-4) is increasingly believed to be responsible for several disorders of the bovine reproductive tract. The first characterization of BoHV-4 in Argentina was from samples from an aborted fetus. ... -
Chlamydia pecorum : fetal and placental lesions in sporadic caprine abortion
Giannitti, Federico; Anderson, Mark; Miller, Myrna; Rowe, Joan; Sverlow, Karen; Vasquez, Marce; Canton, German Jose (2016)Chlamydial abortion in small ruminants is usually associated with Chlamydia abortus infection. Although Chlamydia pecorum has been detected in aborted ruminants and epidemiological data suggests that C. pecorum is abortigenic ... -
Controlling endemic Neospora caninum-related abortions in a dairy herd from Argentina
Lagomarsino, Horacio; Scioli, Agustín; Rodriguez, Alejandro Martin; Armendano, Joaquín Ignacio; Fiorani, Franco; Bence, Ángel; García, Joaquín; Hecker, Yanina; Gual, Ignacio; Canton, German Jose; Odeon, Anselmo Carlos; Campero, Carlos Manuel; Moore, Prando Dadin (Frontiers Media, Switzerland, 2019-12-12)After diagnosis of endemic abortions due to neosporosis in a commercial dairy farm, routes of Neospora caninum-transmission were evaluated in order to choose the best strategy for reducing its seroprevalence and related ... -
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 ... -
Cytokine expression in the placenta of pregnant cattle after inoculation with Neospora caninum
Canton, German Jose; Katzer, Frank; Maley, Stephen W.; Bartley, Paul M.; Benavides-Silván, Julio; Palarea-Albaladejo, Javier; Pang, Yvonne; Smith, Sionagh; Rocchi, Mara; Buxton, David; Innes, Elisabeth A.; Chianini, Francesca (Elsevier, 2014-09-15)Neospora caninum is recognized as a major cause of reproductive losses worldwide but its pathogenesis is not completely understood. Immune mediated placental pathology has been reported as being responsible for compromising ... -
Delayed type hypersensitivity induced by intradermal inoculation of a Neospora caninum tachyzoite antigen in previously exposed cattle
Fiorani, Franco; Armendano, Joaquín Ignacio; Hecker, Yanina Paola; Araoz, Virgina; Canton, German Jose; Leunda, Maria Rosa; Pereyra, Susana Beatriz; Corva, Pablo Marcelo; Odeon, Anselmo Carlos; Moore, Prando Dadin (Elsevier, 2019-01)The aim of this study was to evaluate delayed type hypersensitivity (DTH) induced by the intradermal inoculation of a Neospora caninum tachyzoite soluble lysate in cattle previously exposed with the protozoa. Four experimental ... -
Delayed-type hypersensitivity skin test against Neospora caninum in heifers with undetectable specific antibodies
Fiorani, Franco; Hecker, Yanina; Cirone, Karina Mariela; Armendano, Joaquín Ignacio; Gual, Ignacio; Campero, Lucía María; Wilkowsky, Silvina Elizabeth; Cobo, Eduardo Rubén; Corva, Pablo; Morrell, Eleonora Lidia; Canton, German Jose; Moore, Prando Dadin (Elsevier, 2020-07-19)Delayed-type hypersensitivity (DTH) has been used in human and veterinary medicine as a skin testing for evaluating in vivocell-mediated immune responses (CMIR). Whereas CMIR is a key process to control intracellular ... -
Detection methods and characterization of bovine viral diarrhea virus in aborted fetuses and neonatal calves over a 22-year period
Spetter, Lucas Maximiliano; Louge Uriarte, Enrique Leopoldo; Armendano, Joaquín Ignacio; Morrell, Eleonora Lidia; Canton, German Jose; Verna, Andrea Elizabeth; Dorsch, Matías; Pereyra, Susana Beatriz; Odeon, Anselmo Carlos; Saliki, Jeremiah; González Altamiranda, Erika (Springer, 2020-05-16)Detection of bovine viral diarrhea virus (BVDV) in aborted fetus samples is often difficult due to tissue autolysis and inappropriate sampling. Studies assessing different methods for BVDV identification in fetal specimens ... -
Development of maternal and foetal immune responses in cattle following experimental challenge with Neospora caninum at day 210 of gestation
Bartley, Paul M.; Katzer, Frank; Rocchi, Mara; Maley, Stephen W.; Benavides-Silván, Julio; Nath, Mintu; Pang, Yvonne; Canton, German Jose; Thomson, Jackie; Chianini, Francesca; Innes, Elisabeth A. (BMC, 2013-10)This study examined the immunological responses of pregnant cattle and their foetuses following an experimental challenge with live Neospora caninum tachyzoites at day 210 of gestation. Animals were bled prior to and weekly ... -
Enzootic calcinosis in horses grazing Solanum glaucophyllum in Argentina
Odriozola, Ernesto Raul; Rodriguez, Alejandro Martin; Micheloud, Juan Francisco; Canton, German Jose; Caffarena, Rubén Dario; Gimeno, Eduardo Juan; Bodega, José J.; Gardey, Pedro; Iseas, Fortunato B.; Giannitti, Federico (2018-01)Solanum glaucophyllum, a toxic plant known for its calcinogenic effects, causes enzootic calcinosis in ruminant and monogastric animals. We describe an outbreak of enzootic calcinosis that occurred in a herd of 110 horses ... -
Estudio retrospectivo de casos de Hemoglobinuria Bacilar diagnosticados en bovinos de la provincia de Buenos Aires (Argentina) = Retrospective studies of bacillary hemoglobinuria diagnosed in cattle from Buenos Aires province, Argentina
Micheloud, Juan Francisco; Spath, Ernesto Juan; García Alonso, Javier; Canton, German Jose; Moreira, Ana Rita; Odriozola, Ernesto Raul (Facultad de Ciencias Veterinarias de Esperanza, Universidad Nacional del Litoral, 2018)La hemoglobinuria bacilar (HB) es una enfermedad infectocontagiosa, aguda, producida Clostridium haemolyticum, que afecta principalmente a bovinos y es predispuesta por diferentes factores. En este artículo se realiza un ... -
Evaluation of frequency of antibodies against toxoplasma gondii, neospora caninum and Sarcocystis spp. and transmission routes in sheep from Humid Pampa, Argentina
Hecker, Yanina Paola; Mogaburu Masson, Fernando; Armendano, Joaquín Ignacio; Cora, Juan; Flores Olivares, Carlos; Gual, Ignacio; Pardini, L.; Moore, Prando Dadin; More, Gastón; Canton, German Jose (2018)The aim of this study was to describe the frequency of ovine specific antibodies to Toxoplasma gondii, Neospora caninum and Sarcocystis spp. and to estimate different transmission routes of these infections. One hundred ... -
Exceso de azufre dietético en bovinos de engorde a corral
Castro, Damian Jesus Nahuel (Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 2018-12)En el sudeste de Córdoba y el sudoeste de Santa Fe, han proliferado sistemas de engorde a corral (EC) de bovinos, con creciente inclusión de granos de destilería (GD) en sus dietas. Según los antecedentes de las altas ... -
Exposure to toxic fescue during late gestation on beef cows: effects on cow performance and offspring performance from birth to weaning
McCarty, Keelee; Bence, Ángel; Maresca, Sebastian; Lopez Valiente, Sebastian; Rodriguez, Alejandro Martin; Canton, German Jose; Long, Nathan M. (ECronicon Open Access, 2020-01-03)To examine the effects of endophyte-infected tall fescue during late gestation on maternal and offspring performance, multiparous Angus cows (n = 40) were bred via AI and allocated into grazing treatments: toxic (E+) or ...