Browsing Agricultural Sciences by Title

Now showing items 4028-4047 of 4209

    • Ulcerative dermatitis caused by feline herpesvirus type 1 in a domestic cat 

      Argenta, Fernando Froner; Ramos, Bárbara Carolina; Fredo, Gabriela; Laisse, Cláudio João Mourão; Rolim, Veronica Machado; Cargnelutti, Juliana Felipetto; Flores, Eduardo Furtado; Pavarini, Saulo Petinatti; Costa, Fernanda Vieira Amorim da; Driemeier, David (2017) [Journal article]
      A case of ulcerative dermatitis caused by feline herpesvirus type 1 (FeHV-1) in an adult male domestic shorthair cat is reported. The cat was rescued from the streets and presented with ulcerative lesions at the nasal ...

    • Ultrasound-assisted transesterification of soybean oil using combi-lipase biocatalysts 

      Freitas, Vitória Olave de; Matte, Carla Roberta; Poppe, Jakeline Kathiele; Rodrigues, Rafael Costa; Ayub, Marco Antônio Záchia (2019) [Journal article]
      We applied ultrasonic technology for the transesterification of soybean oil catalyzed by a mixture of lipases (combi-lipase: 75 % Novozym 435; 10 % Lipozyme TL-IM; and 15 % Lipozyme RM-IM), verifying the effects of ultrasonic ...

    • Ultrastructural lesions in the myocardium and kidneys of rabbits in experimental acute Amorimia exotropica poisoning. 

      Soares, Mauro Pereira; Pavarini, Saulo Petinatti; Barros, Severo Sales; Adrien, Maria L.; Quevedo, Pedro S.; Schild, Ana Lucia; Driemeier, David (2016) [Journal article]
      Amorimia exotropica is an important plant associated with sudden death in cattle in Southern Brazil. In order to understand the mechanisms by which A. exotropica causes acute lesions in the heart and kidney of intoxicated ...

    • Understanding Brazil’s catastrophic fires : causes, consequences and policy needed to prevent future tragedies 

      Pivello, Vânia Regina; Vieira, Ima Célia Guimarães; Christianini, Alexander V.; Ribeiro, Danilo Bandini; Menezes, Luciana da Silva; Berlinck, Christian Niel; Melo, Felipe P. L.; Marengo, José A.; Tornquist, Carlos Gustavo; Tomas, Walfrido Moraes; Overbeck, Gerhard Ernst (2021) [Journal article]
      Brazil has experienced unprecedented wildfires in the last decade. Images ofimmense burnt areas or dead animals that failed to escape the 2020 wildfires have shocked the world. To prevent or minimize further similardisasters ...

    • Universal tick vaccines : candidates and remaining challenges 

      Parizi, Luis Fernando; Githaka, Naftaly Wang'ombe; Logullo, Carlos; Zhou, Jinlin; Onuma, Misao; Termignoni, Carlos; Vaz Junior, Itabajara da Silva (2023) [Journal article]
      Recent advancements in molecular biology, particularly regarding massively parallel sequencing technologies, have enabled scientists to gain more insight into the physiology of ticks. While there has been progress in ...

    • Universidade em disputa : ecos dos itinerários de Aparício Cora de Almeida no tempo presente (Porto Alegre - RS) 

      Hinterholz, Marcos Luiz; Almeida, Dóris Bittencourt (2022) [Journal article]
      O presente artigo discute a vida e morte de Aparício Cora de Almeida e as repercussões dessa trajetória biográfica no campo educacional, especialmente no que diz respeito à democratização do acesso ao ensino de nível ...

    • University education and training of microbiologists in Brazil : 1990-2000 

      Freire, Joao Ruy Jardim; Sa, Enilson Luiz Saccol de (2004) [Journal article]
      This paper aims to contribute to the discussion and concern on the future of microbiology in Brazil. This work presents a survey carried out in 2001 that shows a picture of Microbiology status in Brazil. Most of the ...

    • Unraveling the roles of epigenetic regulators during the embryonic development of Rhipicephalus microplus 

      Amarante, Anderson de Mendonça; Parizi, Luis Fernando; Vaz Junior, Itabajara da Silva; Logullo, Carlos; Fantappié, Marcelo Rosado (2025) [Journal article]
      Epigenetic modifications are long-lasting changes to the genome that influence a cell’s transcriptional potential, thereby altering its function. These modifications can trigger adaptive responses that impact protein ...

    • Unravelling the transcriptome profile of the swine respiratory tract mycoplasmas 

      Siqueira, Franciele Maboni; Gerber, Alexandra Lehmkuhl; Guedes, Rafael Lucas Muniz; Almeida, Luiz Gonzaga Paula de; Schrank, Irene Silveira; Vasconcelos, Ana Tereza Ribeiro de; Zaha, Arnaldo (2014) [Journal article]
      The swine respiratory ciliary epithelium is mainly colonized by Mycoplasma hyopneumoniae, Mycoplasma flocculare and Mycoplasma hyorhinis. While colonization by M. flocculare is virtually asymptomatic, M. hyopneumoniae and ...

    • Unveiling the genetic landscape of canine papillomavirus in the Brazilian Amazon 

      Sousa, Jeneffer Caroline de Macêdo; Lins, André de Medeiros Costa; Souza, Fernanda dos Anjos; Manoel, Higor Ortiz; Araújo, Cleyton Silva de; Tomaya, Lorena Yanet Cáceres; Gasparotto, Paulo Henrique Gilio; Pereira, Vyctoria Malayhka de Abreu Góes; Pacheco, Acácio Duarte; Spilki, Fernando Rosado; Silva, Mariana Soares da; Salvarani, Felipe Masiero; Canal, Cláudio Wageck; Silva, Flávio Roberto Chaves da; Daudt, Cíntia (2025) [Journal article]
      Papillomaviruses (PVs) are double-stranded DNA viruses known to induce a variety of epithelial lesions in dogs, ranging from benign hyperplasia to malignancies. In regions of rich biodiversity such as the Western Amazon, ...

    • Urease inhibitor and irrigation management to mitigate ammonia volatilization from urea in no-till corn 

      Viero, Fernando; Menegati, Guilherme Batista; Carniel, Eduardo; Silva, Paulo Regis Ferreira da; Bayer, Cimelio (2017) [Journal article]
      High nitrogen (N) losses by ammonia (NH3) volatilization from urea can compromise nitrogen fertilization efficiency and corn yield. The purpose of this study was to assess the effects of irrigation management and the ...

    • Urethral duplication in a dog: case report 

      Stedile, Rafael; Contesini, Emerson Antônio; Oliveira, Simone Tostes de; Beck, Carlos Afonso de Castro; Oliveira, E.C.; Alievi, Marcelo Meller; Driemeier, David; Muccilo, Marcelo de Souza (2008) [Journal article]
      Um cão macho da raça Fila brasileiro foi atendido por apresentar, durante a micção, presença de jato de urina em orifício na região perineal. Uretrocistografia retrógrada contrastada foi realizada para determinar o trajeto ...

    • URS Altiva – a new oat cultivar with high agronomic performance 

      Nava, Itamar Cristiano; Pacheco, Marcelo Teixeira; Federizzi, Luiz Carlos (2016) [Journal article]
      The oat cultivar URS Altiva, developed from the simple cross ‘UFRGS 995090-2 x URS 21’, and released by the Oat Breeding Program of the Federal University of Rio Grande do Sul (UFRGS) in 2015, presents high grain yield, ...

    • URS Brava – a new oat cultivar with partial resistance to crown rust 

      Federizzi, Luiz Carlos; Pacheco, Marcelo Teixeira; Nava, Itamar Cristiano (2015) [Journal article]
      The cultivar URS Brava, obtained from a simple cross between the line ‘UFRGS 995078-2’ and the cultivar ‘URS 21’, shows high grain yield and stability, high grain quality, desirable agronomical traits and partial resistance ...

    • ‘URSBRS Hada’: tangoreiro de maturação tardia e duplo propósito 

      Gonzatto, Mateus Pereira; Schwarz, Sergio Francisco; Oliveira, Roberto Pedroso de; Bender, Renar João; Souza, Paulo Vitor Dutra de (2015) [Journal article]
      O presente trabalho tem como objetivo apresentar a caracterização hortícola básica da nova cultivar de tangoreiro ‘URSBRS Hada’. A partir de avaliações nas condições edafoclimáticas da região da Depressão Central do Rio ...

    • URS Campestre seedless orange : a new mutant with female sterility 

      Bender, Renar João; Santos, Rinaldo Pires dos; Guerra, Divanilde; Schwarz, Sergio Francisco; Bender, Stefan da Silveira (2017) [Journal article]
      Seedlessness in fruit is a trait that is much sought after by juice making industries. Close to the city of São Sebastião do Caí, in the state of Rio Grande do Sul (RS), Brazil, a new mutant orange originating from natural ...

    • URS MONARCA – a new hexaploid oat cultivar with excellent grain yield and wide adaptation 

      Pacheco, Marcelo Teixeira; Federizzi, Luiz Carlos (2020) [Journal article]
      The Oat Breeding Program of the Federal University of Rio Grande do Sul (UFRGS) release in 2019 a new cultivar URS MONARCA developed from the single cross UFRGS 06 6083-3 / UFRGS 00 6183-2. URS MONARCA presents high grain ...

    • Use and recovery of P reserves in Southern Brazil Oxisols under no-till with low and high P availability 

      Amorim, Magno Batista; Fontoura, Sandra Mara Vieira; Tiecher, Tales; Moraes, Renato Paulo de; Bayer, Cimelio (2024) [Journal article]
      The accessibility of soil P reserves by plants on highly weathered Brazilian soils remains unclear. In this study, we assessed the contribution of soil P fractions to P uptake by soybean plants in two no-till Oxisols ...

    • Use of a modified AFLP protocol to discriminate Salmonella enterica subsp. enterica serovar Enteritidis isolates 

      Vaz, Clarissa Silveira Luiz; Streck, André Felipe; Tramontina, Tatiana; Cardoso, Marisa Ribeiro de Itapema; Canal, Cláudio Wageck (2007) [Journal article]
      Salmonella enterica subsp. enterica (S.) sorovar Enteritidis é um dos principais patógenos envolvidos em doenças de origem alimentar em todo o mundo. Em investigações epidemiológicas de salmoneloses relacionadas a alimentos, ...

    • Use of Different Kinds of Solutes Alternative to Sucrose in Osmotic Dehydration of Yacon 

      Brochier, Bethania; Marczak, Ligia Damasceno Ferreira; Noreña, Caciano Pelayo Zapata (2015) [Journal article]
      The present work aimed to evaluate glycerol, maltodextrin, polydextrose and sorbitol for the osmotic dehydration of yacon for diabetics, keeping its properties as prebiotic. Osmotic dehydration was carried out using a yacon ...