Navegação Ciências Agrárias por Título

Resultados 2517-2536 de 3910

    • Multiple anthelmintic resistance in Southern Brazil sheep flocks 

      Oliveira, Plínio Aguiar de; Rivero, Beatriz Riet Corrêa; Silva, Pablo Estima; Coelho, Ana Carolina Barreto; Santos, Bianca Lemos dos; Costa, Marco André Paldês; Ruas, Jerônimo Lopes; Schild, Ana Lucia (2017) [Artigo de periódico]
      Gastrointestinal parasites represent an important cause of reduced productivity of sheep worldwide. As anthelmintic are still the main control tool for these parasites, this work evaluated the efficacy of commercially ...

    • Multispecies weed competition and their economic threshold on the wheat crop 

      Gherekhloo, J.; Noroozi, S.; Mazaheri, D.; Ghanbari, A.; Ghannadha, M.R.; Vidal, Ribas Antonio; Prado, Rafael de (2010) [Artigo de periódico]
      Two field experiments were conducted to evaluate the effects of multispecies weed competition on wheat grain yield and to determine their economic threshold on the crop. The experiments were conducted in 2002, on two sites ...

    • Multisystemic eosinophilic epitheliotropic disease in a horse in Brazil 

      Laisse, Cláudio João Mourão; Nascimento, L.C.; Panziera, Welden; Soares, Elizabeth Caldas; Fernandes, Denise Bicca; Westphalen, Júlio César; Sonne, Luciana; Pavarini, Saulo Petinatti; Driemeier, David (2017) [Artigo de periódico]
      Equine multisystemic eosinophilic epitheliotropic disease (MEED) is a rare disease, characterized by eosinophilia and eosinophilic infiltration of several organs. A 5-year-old horse presented pruritus, areas of alopecia, ...

    • Multivariate analysis reveals genetic diversity in Paspalum notatum Flügge 

      Machado, Juliana Medianeira; Motta, Eder Alexandre Minski da; Barbosa, Marlon Risso; Weiler, Roberto Luis; Simioni, Carine; Silveira, Diógenes Cecchin; Mills, Annamaria; Pereira, Emerson André; Dall'Agnol, Miguel (2021) [Artigo de periódico]
      The objective of this study was to evaluate 94 Paspalum notatum genotypes over two growing seasons to estimate genetic dissimilarity through agronomic traits and the distance between genotypes. This information is used to ...

    • Multivariate analysis reveals that BVDV field isolates do not show a close VN-based antigenic relationship to US vaccine strains 

      Mósena, Ana Cristina Sbaraini; Ma, Hao; Casas, Eduardo; Dassanayake, Rohana P.; Canal, Cláudio Wageck; Neill, John D.; Falkenberg, Shollie M. (2023) [Artigo de periódico]
      Objective Evaluate bovine viral diarrhea virus (BVDV) antigenicity by using virus neutralization titers (VNT) analyzed using the principal component analysis (PCA) from antisera generated against US-based vaccine strains ...

    • Mycobacterium bovis detection in slaughtered pigs in the state of Rio Grande do Sul, Brazil 

      Kern, Paula Luciana; Pinto, Andrea Troller; Schmidt, Veronica (2021) [Artigo de periódico]
      The infection by the Mycobacterium genus is important in pig farming due to the economic losses caused by total or partial carcass condemnation in slaughterhouses. The present study investigated the occurrence of a ...

    • Myolipoma associated with hyperadrenocorticism and diabetes mellitus in a female poodle 

      Pöppl, Alan Gomes; Beck, Carlos Afonso de Castro; Fonini, Alessandra Van der Laan; Cruz, Leonardo Montagna da; Pavarini, Saulo Petinatti (2018) [Artigo de periódico]
      This report provides an unpublished account of an intra-abdominal myolipoma in a 11-year-old female Poodle with hyperadrenocorticism and diabetes mellitus. The patient was well controlled for both endocrine diseases; ...

    • Nanocomposites and their application in antimicrobial packaging 

      Brandelli, Adriano (2024) [Artigo de periódico]
      The advances in nanocomposites incorporating bioactive substances have the potential to transform the food packaging sector. Different nanofillers have been incorporated into polymeric matrixes to develop nanocomposite ...

    • Nanostructured antimicrobials for quality and safety improvement in dairy products 

      Brandelli, Adriano; Lopes, Nathalie Almeida; Pinilla, Cristian Mauricio Barreto (2023) [Artigo de periódico]
      In the food sector, one of the most important economic activities is the dairy industry, which has been facing many challenges in order to meet the increasing demand by consumers for natural and minimally processed products ...

    • Narrativas da transição : a produção agroecológica de arroz na região metropolitana de Porto Alegre 

      Bogni, André; Bracagioli Neto, Alberto (2018) [Artigo de periódico]
      A região metropolitana de Porto Alegre (RMPA) constitui um dos mais expressivos aglomerados urbanos do Brasil, englobando 34 municípios e cerca de 4 milhões de pessoas. Apesar da urbanização acelerada, a região conta com ...

    • Narrativas sobre sustentabilidade, produção orgânica e agroecologia nas políticas públicas de desenvolvimento rural no Brasil 

      Grisa, Catia; Chechi, Leticia Andrea (2016) [Artigo de periódico]
      Este artigo apresenta interpretações fundadas sobre a teoria das justificações referentes à implantação do assentamento Milton Santos, inscrito na modalidade Projeto de Desenvolvimento Sustentável proposta pelo Instituto ...

    • Nasal peripheral primitive neuroectodermal tumor in a heifer : case report 

      Argenta, Fernando Froner; Hammerschmitt, Marcia Elisa; Reis, Matheus de Oliveira; Cruz, Raquel Aparecida Sales da; Lorenzo, Cíntia de; Sonne, Luciana; Driemeier, David; Pavarini, Saulo Petinatti (2018) [Artigo de periódico]
      This report described the clinical signs, pathological and immunohistochemical findings associated with a peripheral primitive neuroectodermal tumor (pPNET) in the nasal cavity of a heifer. The heifer exhibited severe ...

    • Natural and improved natural pastures on the reproductive performance of first-calf beef cows 

      Tanure, Soraya; Pötter, Bernardo Augusto Albornoz; Lobato, Jose Fernando Piva (2011) [Artigo de periódico]
      This work evaluated the reproductive performance of first-calf cows at three years of age, submitted or not to protein supplementation at yearling on natural pastures. After calving, cows were managed on natural or improved ...

    • Natural and improved pastures on growth and reproductive performance of Hereford heifers 

      Rosa, Antônio Augusto Galarza; Vaz, Ricardo Zambarda; Lobato, Jose Fernando Piva (2012) [Artigo de periódico]
      This study evaluated yearling growth and reproductive performance of Hereford heifers at 24-26 months of age grazing on natural pastures at two stocking rates during winter and spring, associated or not to improved natural ...

    • Natural fertility and metals contents in soils of Rio Grande do Sul (Brazil) 

      Althaus, Daiana; Gianello, Clesio; Tedesco, Marino Jose; Silva, Kelly Justin da; Bissani, Carlos Alberto; Felisberto, Regina (2018) [Artigo de periódico]
      The parent geological materials and formation factors influence the chemical, physical, and mineralogical properties and composition of the soil. Therefore, the aims of this study were to determine the chemical and some ...

    • Natural genetic diversity of nutritive value traits in the genus Cynodon 

      Souza, Cleber Lopes de; Lopez, Yolanda; Munoz, Patricio; Anderson, William; Dall'Agnol, Miguel; Wallau, Marcelo Osório; Rios, Esteban Fernando (2020) [Artigo de periódico]
      The Cynodon spp. collection maintained by United States Department of Agriculture National Plant Germplasm System (USDA-NPGS) has limited information on nutritive value (NV) traits. In this study, crude protein (CP), ...

    • Natural pigments of microbial origin 

      Pailliè Jiménez, Maria Elisa; Stincone, Paolo; Brandelli, Adriano (2020) [Artigo de periódico]
      The world demands new solutions and products to be used as dyes for industrial applications. Microbial pigments represent an eco-friendly alternative as they can be produced in large amounts through biotechnological processes ...

    • NDVI and meteorological data as indicators of the Pampa biome natural grasslands growth 

      Fontana, Denise Cybis; Junges, Amanda Heemann; Bremm, Carolina; Schaparini, Laura Pigatto; Mengue, Vagner Paz; Wagner, Ana Paula Luz; Carvalho, Paulo Cesar de Faccio (2018) [Artigo de periódico]
      The present study aimed to characterize the dynamics of NDVI and meteorological conditions, relating both to the annual dynamics of biomass accumulation in natural pastures of the Pampa biome as a way of subsidizing growth ...

    • NDVI e fluxo de CO2 em lavoura de soja no Rio Grande do Sul 

      Rodrigues, Celso Pinheiro; Fontana, Denise Cybis; Moraes, Osvaldo Luiz Leal de; Roberti, Débora Regina (2013) [Artigo de periódico]
      O aumento das emissões dos gases de efeito estufa (GEE) se configura, atualmente, como um dos principais problemas ambientais, o que pode afetar significativamente as atividades humanas e os ecossistemas terrestres. Um dos ...

    • Necrotic enterocolitis in pigs naturally infected by porcine circovirus type 2 

      Zlotowski, Priscila; Corrêa, André Mendes Ribeiro; Barcellos, David Emilio Santos Neves de; Cardoso, Marisa Ribeiro de Itapema; Vasconcelos, Anilton Cesar; Castro, Luiza Amaral de; Driemeier, David (2009) [Artigo de periódico]
      Foram selecionadas amostras intestinais com enterite necrótica de 63 suínos naturalmente infectados pelo circovírus suíno tipo 2 (PCV2). Enterite necrótica associada com PCV2 ocorreu principalmente no cólon, em 60 casos. ...