Navegação Ciências Agrárias por Título
Resultados 2299-2318 de 3908
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Long-term effects of grazing intensities on soil aggregation and organic matter in a no-tilled integrated soybean-cattle system
(2022) [Artigo de periódico]Grazing intensity in integrated crop-livestock systems (ICLS) can affect soil aggregation and C stabilization and, consequently, the soil condition and agricultural sustainability. This study evaluate the infuence of 13 ... -
Long-term nitrogen fertilization in native pasture with Italian ryegrass introduction : effects on soil health attribute indicators
(2017) [Artigo de periódico]Native pastures are of great importance for cattle and sheep nutrition in the Pampa biome. However, due to its low productivity, the Italian ryegrass introduction and the nitrogen (N) fertilization are alternatives proposed ... -
Lontra longicaudis infected with canine parvovirus and parasitized by Dioctophyma renale
(2018) [Artigo de periódico]This study describes a case of parvovirus infection in a river otter (Lontra longicaudis) assisted at the Wildlife Rehabilitation Center and Wildlife Screening Center, Federal University of Pelotas (UFPel), Rio Grande do ... -
Los malabares de la quinua en Bolivia : entre el mercado y el comer bien
(2018) [Artigo de periódico]A partir da metáfora de malabares que desenham trajetórias no ar, voltando ao ponto de origem, este artigo explora, com base em análise documental e entrevistas a produtores, transformações na produção e consumo de quinoa ... -
Losses of water, soil, and nutrients during high-intensity simulated rainfall in two soil management systems different sources of fertilization
(2020) [Artigo de periódico]The goal of this study was to quantify the water, soil, and soluble nutrient losses during high-intensity rainfall simulated in two soil preparation systems with four sources of fertilization. Forty-five days after the ... -
Low genetic polymorphism in the immunogenic sequences of Rhipicephalus microplus clade C
(2022) [Artigo de periódico]Rhipicephalus microplus tick highly affects the veterinary sector throughout the world. Different tick control methods have been adopted, and the identification of tick-derived highly immunogenic sequences for the development ... -
Low-intensity, high-frequency grazing positively affects defoliating behavior, nutrient intake and blood indicators of nutrition and stress in sheep
(2021) [Artigo de periódico]The intensity and frequency of grazing affect the defoliating strategy of ruminants, their daily nutrient intake, thus nutrition and physiological status. Italian ryegrass (Lolium multiflorum Lam.) pastures were grazed by ... -
Low-P tolerance mechanisms and differential gene expression in contrasting wheat genotypes
(2009) [Artigo de periódico]Os objetivos deste estudo foram determinar os mecanismos da tolerância à deficiência de P em genótipos de trigo contrastantes e avaliar a associação desses mecanismos à expressão diferenciada de genes. Foram avaliadas ... -
Luminosidade e temperatura na germinação de sementes de nogueira-pecã
(2021) [Artigo de periódico]O objetivo do presente trabalho foi avaliar o efeito da luminosidade e temperatura na germinação de sementes de Carya illinoinensis (Wangenh) K. Koch. Para uniformizar o processo de embebição, as sementes foram previamente ... -
Lung biopsy with guillotine cutting needle and biopsy forceps though transdiaphragmatic thoracoscopy in dogs with pulmonary alterations
(2018) [Artigo de periódico]Lung diseases are common in small animal clinical routine. Diagnosis is usually affected due to nonspecific symptoms. Imaging features such as radiography and chest ultrasound are acceptable screening tests, although lung ... -
Lung lesions of slaughtered horses in southern Brazil
(2018) [Artigo de periódico]Respiratory diseases cause significant veterinary costs, reduce performance and require withdrawal of horses. Yet, studies of the causes of pneumonia in horses are scant. This study aimed to describe the pathological and ... -
Luxação lateral de patela em um Poodle toy
(2010) [Artigo de periódico]Background: Luxating patella is one of the most frequent conditions of the stifle joint in dogs and it can evolve into a degenerative joint disease. The occurrence of the condition can be medial or lateral, unilateral or ... -
Lysine supplementation in late gestation of gilts : effects on piglet birth weight, and gestational and lactationanl performance
(2013) [Artigo de periódico]As exigências de lisina durante a gestação, para o ganho de reservas corporais maternas e peso ao nascer dos leitões, não estão bem estabelecidas nos genótipos contemporâneos prolífi cos. Este estudo objetivou avaliar o ... -
Macrominerais para bovinos de corte nas pastagens nativas dos Campos de Cima da Serra-RS
(2006) [Artigo de periódico]Em face das poucas informações disponíveis sobre a composição mineral das pastagens nativas da região dos Campos de Cima da Serra (RS), o presente trabalho de pesquisa objetivou avaliar os teores dos principais macrominerais, ... -
Macroscopia, histopatologia e bacteriologia de fígados de frangos (Gallus gallus) condenados no abate
(2006) [Artigo de periódico]Este trabalho avaliou, através da macroscopia, histopatologia e bacteriologia, fígados de frangos (Gallus gallus) condenados no abate. Cem fígados de frango foram coletados na linha de inspeção. Noventa deles tinham sido ... -
Macrozoneamento do Estado do Rio Grande do Sul
(2006) [Artigo de periódico]Earth imaging technologies using orbital platforms have allowed new approaches in the analyses, compartmentalization, and territorial visualization. These cartographic informations have many applications in agricultural, ... -
Main causes of death in piglets from different Brazilian nursery farms based on clinical, microbiological, and pathological aspects
(2023) [Artigo de periódico]Necropsies can reveal herd problems or comorbidities that can lead to management corrections, improvements in animal performance, and better decision making. Furthermore, the pattern and causes of mortality might differ ... -
Maize and soybeans production in integrated system under no-tillage with different pasture combinations and animal categories
(2012) [Artigo de periódico]The adoption of no-till system (NTS) combined with crop-livestock integration (CLI) has been a strategy promoted in Brazil, aiming to maximize areas yield and increase agribusiness profitability. This study aimed to evaluate ... -
Maize response to nitrogen fertilization timing in two tillage systems in a soil with high organic matter content
(2007) [Artigo de periódico]No-tillage systems, associated to black oat as preceding cover crop, have been increasingly adopted. This has motivated anticipated maize nitrogen fertilization, transferring it from the side-dress system at the stage when ... -
Maize yield and rainfall on different spatial and temporal scales in Southern Brazil
(2007) [Artigo de periódico]Este trabalho teve como objetivo estabelecer relações entre rendimentos de milho e totais de chuva em diferentes escalas temporais e espaciais, com a finalidade de fornecer bases para modelagem e monitoramento de safras. ...
