Navegação Ciências Agrárias por Título
Resultados 2241-2260 de 3911
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Jürgen Döbereiner : a life dedicated to science
(2019) [Artigo de periódico]Dr. Jürgen Döbereiner was born in Germany, on the 1st of November 1923, and lived in Brazil for 68 years during which time he developed a range of scientific projects in veterinary pathology and related disciplines. His ... -
Karyotype morphology and evolution in some Lathyrus (Fabaceae) species of southern Brazil
(2000) [Artigo de periódico]Os cariótipos de Lathyrus nervosus Lam., L. pubescens Hook. et Arn., L. paranensis Burk. e L. crassipes Gill ap. Hook et Arn., quatro espécies de Lathyrus nativas do Rio Grande do Sul, são detalhadamente descritos pela ... -
Keratinolytic bacteria isolated from feather waste
(2006) [Artigo de periódico]The aim of this study was to characterize keratinolytic bacteria isolated from feather waste. Four isolates were selected after growth on solid medium with feather meal as sole carbon and nitrogen source and screened for ... -
Kernicterus in an adult dog
(2018) [Artigo de periódico]Background: Kernicterus or bilirubin encephalopathy is a condition rarely observed in animal characterized by a yellowish discoloration of the central nervous system. It is a potentially fatal condition due to bilirubin ... -
Kinetics of Leptospira interrogans Infection in Hamsters after Intradermal and Subcutaneous Challenge
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Land disposal potential of tobacco processing residues
(2011) [Artigo de periódico]Brazil is one of the leaders in the production and trading of tobacco leaves in the global market, which results in a large amount of residues that would be recycled and used as soil fertilizers in agriculture. This research ... -
Landscape genomic approach to detect selection signatures in locally adapted Brazilian swine genetic groups
(2017) [Artigo de periódico] -
Land use and soil quality in peri-urban farms in Southern Brazil
(2021) [Artigo de periódico]Small family farms constitute a major part of land use in the surrounding regions of Braziliancities, as these farms not only contribute to the food supply, but also help conserve rural landscapes and improve environmental ... -
Land-use intensification trends in the rio de La Plata region of South America : toward specialization or recoupling crop and livestock production
(2021) [Artigo de periódico]The Rio de la Plata region comprises central Argentina, Uruguay, and southern Brazil. Modern agriculture developed around 1900 with recent decades being characterized by the advance of cropping areas over native grasslands. ... -
Laparoscopia nas hérnias diafragmáticas : estudo experimental em cães.
(2004) [Artigo de periódico]A hérnia diafragmática traumática é a forma mais comum entre as hérnias diafragmáticas em cães e gatos e, por tratar-se de uma alteração anatômica, a terapêutica indicada é a sua correção cirúrgica. O presente estudo se ... -
Laparoscopic-assisted prepubic urethrostomy : experimental model in rabbit
(2018) [Artigo de periódico]The purpose of this study was to develop a laparoscopic-assisted prepubic urethorstomy (PPU) technique using rabbits as an experimental model. Six male New Zealand rabbits (Oryctolagus cuniculus) over six months old and ... -
Laparoscopic paracostal herniorrhaphy in a dog: case report
(2013) [Artigo de periódico]Traumatic paracostal hernia is classified as an abdominal hernia that protrudes from the abdomen to a non physiologic space over the ribs. Treatment requires surgical reconstruction of the disrupted musculature in the ... -
Laparoscopic versus open splenectomy in dogs
(2009) [Artigo de periódico]Nos últimos anos, a utilização da laparoscopia em Medicina Veterinária vem expandindo e, conseqüentemente, a necessidade de pesquisas que determinem as vantagens, desvantagens e possíveis complicações de cada procedimento. ... -
Larval and pupal stage of Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) in sweet and field corn genotypes
(2003) [Artigo de periódico]Spodoptera frugiperda, a lagarta-do-cartucho-do-milho, é uma praga polífaga de grande importância agrícola pelos danos e dificuldade de controle. A ausência de informações sobre seu impacto em milho doce motivou a comparação ... -
Laryngotracheitis : reproducibility of the disease and comparison of diagnostic methods
(2003) [Artigo de periódico]O vírus da laringotraqueíte (VLT) causa de leve a severa doença respiratório em galinhas, o propósito do nosso estudo foi usar um isolado brasileiro de VLT para reproduzir a doença em frangos através da infecção experimental ... -
Leaching of atrazine in commercial and xerogel formulations in oxisol using bioassay and chromatographic methods
(2015) [Artigo de periódico]Mobility of atrazine in soil has contributed to the detection of levels above the legal limit in surface water and groundwater in Europe and the United States. The use of new formulations can reduce or minimize the impacts ... -
Leaching of the S-metolachlor herbicide associated with paraquat or glyphosate in a no-tillage system
(2016) [Artigo de periódico]The combined use of desiccant and residual herbicides is a common management practice under no-tillage systems. However, the effect of desiccant herbicides and mulch on the leaching of residual herbicide is unknown. This ... -
Lead poisoningin cattle in southern Brazil
(2004) [Artigo de periódico]Em setembro de 2000, três novilhas, provenientes de um pequeno rebanho de bovinos de corte, apresentaram severa depressão, tremores musculares, ato de pressionar a cabeça contra objetos e de ranger de dentes, intensa ... -
Leaf relative chlorophyll content as an indicator parameter to predict nitrogen fertilization in maize
(2004) [Artigo de periódico]O medidor portátil de clorofila SPAD 502, que permite leituras instantâneas da intensidade da cor verde da folha (valor correspondente ao teor de clorofila) sem destruí-la, surgiu como uma alternativa para avaliar o nível ... -
Left external iliac artery aneurysm in horse : case report
(2023) [Artigo de periódico]An aneurysm is defined as the abnormal and localized dilation of a blood vessel, which can be congenital or acquired. The main consequence is vessel rupture, leading to hemorrhage, hypovolemic shock, and subsequent sudden ...