Navegação Ciências Agrárias por Título
Resultados 1714-1733 de 3899
-
First molecular detection of Mycoplasma ovis (Hemotropic mycoplasmas) from sheep in Brazil
(2019) [Artigo de periódico]Mycoplasma ovis is an emerging zoonotic pathogen with a worldwide distribution and can cause mild to severe hemolytic anemia, icterus, and poor weight gain in animals. Although M. ovis has been described in small ruminants ... -
First record of melanism in the critically endangered Pampa cat (Leopardus munoai), an endemic species of the Pampa grasslands
(2023) [Artigo de periódico]We report the first record of a melanistic individual of the critically endangered Pampa cat (Leopardus munoai), from July 8th, 2021, at 10:45 am (coordinates 30.096288° S; 54.941139° W) in the area of the Brazilian army, ... -
First record of Phaenoglyphis villosa (Hartig, 1841) in Brazil (Hymenoptera: Cynipoidea: Figitidae: Charipinae)
(2020) [Artigo de periódico]Phaenoglyphis villosa (Hartig, 1841) (Hymenoptera: Figitidae: Charipinae) is a secondary endoparasitoid of Aphidiinae (Hymenoptera: Braconidae), a subfamily which are important primary parasitoids of aphids (Hemiptera: ... -
First records of Glyphepomis adroguensis (Hemiptera, Pentatomidae) and its parasitoid, Telenomus podisi (Hymenoptera, Platygastridae), on irrigated rice fields in Rio Grande do Sul, Brazil
(2012) [Artigo de periódico]Primeiros registros de Glyphepomis adroguensis (Hemiptera, Pentatomidae) e seu parasitoide, Telenomus podisi (Hymenoptera, Platygastridae), em arroz irrigado no Rio Grande do Sul. Ovos, ninfas e adultos de Glyphepomis ... -
First reported genome of an mcr-9-mediated colistin-resistant Salmonella Typhimurium isolate from Brazilian livestock
(2020) [Artigo de periódico]Objectives: To investigate the genetic context of colistin resistance in anmcr-9-harbouring Salmonella Typhimurium ST19 strain from swine in Brazil. Methods: Minimum inhibitory concentrations (MIC) to colistin were determined ... -
First report of nt230(del4) mutation in the MDR1 gene in German Shepherds in southern Brazil
(2021) [Artigo de periódico]The P-glycoprotein (P-gp) is a transmembrane protein encoded by the MDR1 gene that functions as a biological barrier by extruding toxins and xenobiotics out of cells. The MDR1 gene can carry a mutation called nt230(del4), ... -
First report of Rickettsia conorii in Hyalomma kumari ticks
(2023) [Artigo de periódico]As a vector of wide range of pathogenic agents, ticks pose health threats to wild and domestic animals, and humans. Information is unavailable about the prevalence and spatial survey of Hyalomma kumari ticks and associated ... -
Fístula uretral em cão
(2006) [Artigo de periódico]As fístulas uretrais são de ocorrência rara dentre as uretropatias caninas e podem, às vezes, serem confundidas com uretra dupla ou hipospadias. O presente relato descreve o caso de um cão, sem raça definida (SRD), 1 ano ... -
Fitase em dietas para suínos em crescimento : (I) impacto ambiental
(2002) [Artigo de periódico]O objetivo deste trabalho foi determinar o nível adequado de fitase (0, 300, 600 e 900UF/kg da dieta) a ser adicionado em dietas de suínos que continha dois níveis de proteína bruta (PB), um na exigência do animal (18%; ... -
Fitase em dietas para suínos em crescimento : (II) parâmetros de carcaça e ossos
(2002) [Artigo de periódico]O objetivo deste trabalho foi determinar o efeito do nível de fitase (0, 300, 600 e 900UF/kg da dieta) a ser adicionado em dietas de suínos com dois níveis de proteína bruta (PB), um na exigência do animal (18% - NRC, 1988) ... -
Fitness, acceptance and olfactory responses of Trichogramma pretiosum on eggs of Spodoptera frugiperda fed with Cry1Ac soybean Natália ALV
(2020) [Artigo de periódico]Spodoptera frugiperda (Smith) (Lepidoptera Noctuidae) is naturally tolerant to MON 87701 × MON 89788 soybean that expresses the Cry1Ac protein from Bacillus thuringiensis (Bt). Therefore, there are reports of outbreaks of ... -
Flooded rice yield as affected by levels of water salinity in different stages of its cycle
(2010) [Artigo de periódico]Losses of productivity of flooded rice in the State of Rio Grande do Sul, Brazil, may occur in the Coastal Plains and in the Southern region due to the use of saline water from coastal rivers, ponds and the Laguna dos Patos ... -
Florescimento e produção de sementes de Lotus subbiflorus Lag. cv. El Rincón
(2011) [Artigo de periódico]Objetivou-se com este trabalho avaliar a dinâmica do florescimento e o potencial de produção de sementes de Lotus subbiflorus Lag. cv. El Rincón. Por meio de amostragens semanais realizadas entre 13/11/2008 e 4/2/2009, ... -
Floristic and vegetation structure of a grassland plant community on shallow basalt in southern Brazil
(2013) [Artigo de periódico]Few studies have adequately described the fl oristic and structural features of natural grasslands associated with shallow basalt soils in southern Brazil. Th is study was carried out on natural grazing land used for ... -
Fluazifop-p-butyl efficacy as a function of application time and herbicide dose
(2017) [Artigo de periódico]Grass weeds are common in summer crops and strongly decreases the grain yield of the common bean crop. The time of herbicide application influences the variability of environmental conditions and affects the product ... -
Flue-cured tobacco and Cl rates : implications on yield, quality, and nutrient concentration
(2023) [Artigo de periódico]The increase in flue-cured tobacco (Nicotiana tabacumL.) yields in recent decadesdue to genetic improvements of new cultivars and management technologies mayincrease the plant demand for Cl, and the increased dry mass may ... -
Fluoroquinolone resistance in Campylobacter jejuni and Campylobacter coli from poultry and human samples assessed by PCR-restriction fragment length polymorphism assay
(2018) [Artigo de periódico]The objective of this study was to determine fluoroquinolone resistance in Campylobacter spp from poultry and human isolates. Forty-one Campylobacter jejuni isolates (30 of poultry origin and 11 of human origin) and 11 ... -
Flutuação diária e estacional de nitrato e amônio em um Argissolo Vermelho distrófico típico
(2008) [Artigo de periódico]Os íons NH4 + e NO3 - resultantes do processo de mineralização do N orgânico no solo são as formas predominantes de N mineral disponíveis às plantas. A proporção desses íons e sua distribuição no solo é variável, com ... -
Flutuação populacional de adultos de Anastrepha fraterculus (Wied.) em cultivo protegido e convencional de videira
(2009) [Artigo de periódico]A mosca-das-frutas sul-americana, Anastrepha fraterculus (Wiedemann, 1830) (Diptera: Tephritidae), é considerada praga-chave das fruteiras de clima temperado na região Sul do Brasil. No entanto, poucas informações encontram-se ... -
Flutuação populacional de Phyllocnistis citrella Stainton em Citrus deliciosa e no híbrido Murcott Citrus sinensis x Citrus reticulata
(2008) [Artigo de periódico]O objetivo desta pesquisa foi avaliar a dinâmica populacional de Phyllocnistis citrella Stainton, (Lepidoptera: Gracillariidae), o minador-dos-citros, em pomares de tangerineira Citrus deliciosa Tenore variedade Montenegrina ...