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    • A novel pathogenic mechanism for cerebellar lesions produced by Solanum bonariense in cattle 

      Verdes, José Manuel; Márquez, Mercedes; Calliari, Aldo; Battes, Daniel; Moraña, José Antonio; Gimeno, Eduardo Juan; Odriozola, Ernesto Raul; Giannitti, Federico; Guerrero, Florentina; Fidalgo, Luis Eusebio; Pumarola, Martí (American Association of Veterinary Laboratory Diagnosticians, 2015-05)
      Intoxication with Solanum bonariense in cattle causes cerebellar cortical degeneration with perikaryal vacuolation, axonal swelling, and death primarily of Purkinje cells, with accumulation of electron-dense residual storage ...

    • 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 ...

    • Bacterial, protozoal and viral abortions in sheep and goats in South America: A review. 

      Dorsch, Matías; Canton, German Jose; Driemeier, David; Anderson, Mark.; Moeller, Robert; Giannitti, Federico (Elsevier, 2021-10-06)
      Bacterial, protozoal and viral diseases are major causes of abortion in sheep and goats. These agents cause significant economic losses, and many are considered of concern for public health (zoonotic pathogens) and/or the ...

    • Bovine coronavirus in Uruguay: genetic diversity, risk factors and transboundary introductions from neighboring countries 

      Castells, Matias; Giannitti, Federico; Caffarena, Rubén Darío; Casaux, María Laura; Schild, Carlos; Castells, Daniel; Riet‑Correa, Franklin; Victoria, Matias; Parreño, Gladys; Colina, Rodney (Springer, 2019-11)
      Bovine coronavirus (BCoV) is a recognized cause of severe neonatal calf diarrhea, with a negative impact on animal welfare, leading to economic losses to the livestock industry. Cattle production is one of the most important ...

    • Brote de rabia paresiante bovina en la región libre de enfermedad en la Argentina = Outbreak of bovine paralytic rabies in a disease-free region of Argentina 

      Margineda, Carlos Augusto; Giannitti, Federico; Liguori, Esteban; Russo, Susana; Castro, Damian Jesus Nahuel; Zielinski, Gustavo Carlos (Elsevier, 2020-11)
      Reportamos un brote de rabia paresiante bovina en un engorde a corral ubicado en un área libre de esta enfermedad en el sur de Santa Fe, Argentina. Tras manifestar signos neurológicos murieron 6/122 novillos (morbimortalidad ...

    • 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 ...

    • Comparación de ELISAs comerciales para la detección de anticuerpos en la investigación diagnóstica del aborto asociado a Neospora caninum en rodeos lecheros de Uruguay 

      da Silva Silveira, Caroline; Armendano, Joaquín Ignacio; Moore, Prando Dadin; Canton, German Jose; Macías Riosecoa, Melissa; Riet Correa, Franklin; Giannitti, Federico (Elsevier, 2020-06)
      A pesar de su importancia, el diagnóstico etiológico del aborto en bovinos representa un desafío técnico para los veterinarios clínicos y laboratoristas, en parte debido a la dificultad de recuperar los fetos abortados en ...

    • Detection, risk factors and molecular diversity of norovirus GIII in cattle in Uruguay 

      Castells, Matias; Caffarena, Rubén Darío; Casaux, María Laura; Schild, Carlos; Castells, Felipe; Castells, Daniel; Victoria, Matías; Riet‑Correa, Franklin; Giannitti, Federico; Parreño, Viviana; Colina, Rodney (Elsevier, 2020-12)
      Uruguay is a leading exporter of bovine meat and dairy products, and cattle production is one of the principal economic backbones in this country. A main clinical problem faced by livestock farmers is neonatal calf diarrhea ...

    • 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 ...

    • First case report of Toxoplasma gondii-induced abortions and stillbirths in sheep in Argentina 

      Gual, Ignacio; Giannitti, Federico; Hecker, Yanina Paola; Shivers, J.; Entrocassi, Carolina; Morrell, Eleonora Lidia; Pardini, L.; Fiorentino, Marí­a Andrea; Rodríguez Fermepin, M.; Unzaga, Juan Manuel; Canton, German Jose; Venturini, María Cecilia; Moore, Prando Dadin (2018-05)
      The aim of this study is to report an episode of reproductive losses due to toxoplasmosis in a sheep flock in Argentina. A total of 15 abortions and 9 stillbirths were recorded in a flock of 190 Texel ewes. The affected ...

    • Mortality of a captive axis deer (Axis axis) and a llama (Lama glama) due to ingestion of Wedelia glauca 

      Giannitti, Federico; Margineda, Carlos Augusto; Cid, María Silvia; Diab, Santiago S.; Weber, Natalia; Rodriguez, Alejandro Martin; Campero, Carlos Manuel; Odriozola, Ernesto Raul (Sage Publications, 2012-09)
      The current study describes a naturally occurring cluster of cases of Wedelia glauca intoxication. Seven of 14 axis deer (Axis axis) and 1 of 8 llamas (Lama glama) in a zoo of Buenos Aires province, Argentina, died suddenly ...

    • An Outbreak of Sodium Fluoroacetate (1080) Intoxication in Selenium- and Copper-Deficient Sheep in California 

      Giannitti, Federico; Anderson, Mark; Caspe, Sergio Gaston; Mete, A.; East, N.E.; Mostrom, M.; Poppenga, R. (2013-11)
      Sodium fluoroacetate is an organofluorine compound toxic to mammals, insects, and birds, currently registered for use only in livestock protection collars as a predacide in some North American states, with restricted use ...

    • Pollen beetle (Astylus atromaculatus)-associated gastroenteric disease in cattle: report of 6 natural outbreaks 

      Garcia, Juan Agustin; Livio, Juan; Matto, Carolina; Dutra, Fernando; Scioli, Maria Valeria; Giannitti, Federico; Langston, James; Poppenga, Robert; Canton, German Jose; Uzal, Francisco (SAGE Publications, 2023-11-29)
      Astylus atromaculatus is a pollen beetle native to South America, commonly found in crop flowers. Experimental intoxication of sheep and guinea pigs by this beetle resulting in fibrinonecrotizing enteritis has been reported. ...

    • Prevalence and viability of group A rotavirus in dairy farm water sources 

      Castells, M.L.; Schild, Carlos Omar; Caffarena, Rubén Dario; Bok, Marina; Giannitti, Federico; Armendano, Joaquín Ignacio; Riet‐Correa, Franklin; Victoria, M.; Parreño, Viviana; Colina, Rodney (2018-03)
      Aim: To analyse group A rotavirus (RVA) environmental contamination in waters used for calves' consumption and to assess viral viability in dairy farm water sources. Methods and Results: We analysed 202 samples of water ...

    • White muscle disease in three selenium deficient beef and dairy calves in Argentina and Uruguay 

      Rodriguez, Alejandro Martin; Schild, Carlos Omar; Canton, German Jose; Riet-Correa, Franklin; Armendano, Joaquín Ignacio; Caffarena, Rubén Dario; Brambilla, Emilio Cesar; García, Juan Agustín; Morrell, Eleonora Lidia; Poppenga, Robert; Giannitti, Federico (Centro de Ciências Rurais, Universidade Federal de Santa Maria, 2018-05)
      White muscle disease (WMD), nutritional myodegeneration or enzootic muscular dystrophy, is a nutritional condition associated with selenium and/or vitamin E deficiency in ruminants. These elements are constituents of the ...