• Characterization of Escherichia coli carrying mcr-1-plasmids recovered from food animals from Argentina 

      Dominguez, Johana Elizabeth; Faccone, Diego; Tijet, Nathalie; Gomez, Sonia; Corso, Alejandra; Fernandez Miyakawa, Mariano Enrique; Melano, Roberto G. (Frontiers Media, 2019-03)
      In this study, we found mcr-1.1 and mcr-1.5 genes carried by IncI2 plasmids in a subset of Escherichia coli isolates recovered from commercial broiler farms in Argentina. The comparative analysis of the sequences of these ...
    • Efficacy of chestnut and quebracho wood extracts to control Salmonella in poultry 

      Casanova, Natalia Alejandra; Redondo, Leandro Martin; Redondo, Enzo Alejandro; Joaquim, Patricia Estefania; Dominguez, Johana Natali; Fernandez Miyakawa, Mariano Enrique; Chacana, Pablo (Wiley, 2021-07)
      Aims: The study was aimed to evaluate the antibacterial activity and efficacy of chestnut and quebracho wood extracts against Salmonella by in vitro assays and in vivo trials. Methods and results: The extracts showed ...
    • How did antibiotic growth promoters increase growth and feed efficiency in poultry? 

      Fernandez Miyakawa, Mariano Enrique; Casanova, Natalia Alejandra; Kogut, Michael H. (Elsevier, 2024-02)
      It has been hypothesized that reducing the bioenergetic costs of gut inflammation as an explanation for the effect of antibiotic growth promoters (AGPs) on animal efficiency, framing some observations but not explaining ...
    • Molecular characterization and antimicrobial resistance profiles of Salmonella Heidelberg isolates from poultry 

      Dominguez, Johanna Elizabeth; Viñas, María Rosa; Herrera, Mariana; Moroni, Mirian; Gutkind, Gabriel Omar; Mercado, Elsa Cristina; Di Conza, José Alejandro; Chacana, Pablo (Wiley, 2021-02)
      In the last 10 years, Salmonella Heidelberg has been extensively isolated from poultry in several countries. In this context, molecular characterization is essential to understand whether the strains have entered the farms ...
    • Phytochemicals as antibiotic alternatives to promote growth and enhance host health 

      Lillehoj, Hyun; Yanhong, Liu; Calsamiglia, Sergio; Fernandez Miyakawa, Mariano Enrique; Fang, Chi; Cravens, Ron L.; Oh, Sungtaek; Gay, Cyril G. (BioMed Central, 2018-07)
      There are heightened concerns globally on emerging drug-resistant superbugs and the lack of new antibiotics for treating human and animal diseases. For the agricultural industry, there is an urgent need to develop strategies ...
    • Simultaneous carriage of mcr-1 and other antimicrobial resistance determinants in Escherichia coli from poultry 

      Dominguez, Johanna Elizabeth; Redondo, Leandro Martín; Figueroa Espinosa, Roque A.; Cejas, Daniela; Gutkind, Gabriel Omar; Chacana, Pablo; Di Conza, José Alejandro; Fernandez Miyakawa, Mariano Enrique (Frontiers Media, 2018-07)
      The use of antimicrobial growth promoters (AGPs) in sub-therapeutic doses for long periods promotes the selection of resistant microorganisms and the subsequent risk of spreading this resistance to the human population and ...
    • The role of farm environment and management in shaping the gut microbiota of poultry 

      Diaz Carrasco, Juan Maria; Redondo, Leandro Martin; Casanova, Natalia Andrea; Fernandez Miyakawa, Mariano Enrique (Springer Nature, 2022-01)
      Gut microbiota of poultry assembles from environmental sources mainly determined by farm management decisions such as feed composition, litter handling and sanitation practices, or the use of different feed additives. In ...
    • What Do We Know about Surface Proteins of Chicken Parasites Eimeria? 

      Britez, Jesica Daiana; Rodriguez, Anabel Elisa; Di Ciaccio, Lucia Soledad; Marugán-Hernandez, Virginia; Tomazic, Mariela Luján (MDPI, 2023-05)
      Poultry is the first source of animal protein for human consumption. In a changing world, this sector is facing new challenges, such as a projected increase in demand, higher standards of food quality and safety, and ...