Navegação Ciências Agrárias por Título
Resultados 2388-2407 de 3926
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Melhoria organizacional na produção de bezerros de corte a partir dos centros de custos
(2008) [Artigo de periódico]O objetivo neste trabalho foi evidenciar a importância do custo de produção na pecuária de cria, descrevendo uma metodologia padronizada que consiga mensurar o custo de produção de bezerros de corte e, simultaneamente, ... -
Meloxicam subaracnoide não inibe a hipernocicepção mecânica no teste da carragenina em ratos
(2014) [Artigo de periódico]Justificativa e objetivo: Avaliar os efeitos antinociceptivos do meloxicam subaracnóideo sobre a hipernocicepc¸ão mecânica induzida pela carragenina em ratos. Métodos: Estudo randômico e controlado. Dezoito ratos Wistar, ... -
Meningoencephalitis due to Naegleria fowleri in cattle in southern Brazil
(2019) [Artigo de periódico]Naegleria fowleri is a free-living amoeba commonly found in the environment, mainly in fresh water and soil. This protozoon is occasionally involved in cases of fatal central nervous system disease in humans and other ... -
Meningoencephalomyelitis and pneumonia caused by Cryptococcus spp. in a cat : case report
(2023) [Artigo de periódico]Cryptococcosis is an important systemic mycosis with worldwide distribution that affects men and also domestic and wild animals. The infection is acquired by inhalation of the fungus or basidiospores present in the environment ... -
O mercado de alimentos vegetarianos e veganos : características e perspectivas
(2020) [Artigo de periódico]Este artigo de revisão vale-se de dados secundários para identificar as características e motivações de consumidores que se consideram “veganos” ou “vegetarianos” e para avaliar a importância e características dos mercados ... -
Mesenchymal stem cells for the treatment of neurodegenerative and psychiatric disorders
(2015) [Artigo de periódico]Mesenchymal stem cells (MSCs) are multipotent progenitor cells that have the capacity to differentiate into all lineages of mesodermal origin, e.g., cartilage, bone, and adipocytes. MSCs have been identified at different ... -
Mesotelioma pelural em um cão da raça rottweiler
(2010) [Artigo de periódico]O mesotelioma é uma neoplasia difusa das membranas serosas da pleura, peritônio, pericárdio e túnica vaginal. É rara em todas as espécies animais. Os sinais clínicos apresentados são secundários ao acúmulo de efusão ... -
Meta-analysis of individual and combined effects of mycotoxins on growing pigs
(2016) [Artigo de periódico]Little is known about the toxicity of concomitantly occurring mycotoxins in pig diets. This study was conducted to evaluate, through meta-analysis, the individual and the combined effects of mycotoxins on pig performance. ... -
Metabolic and ruminal fluid markers of dairy cows supplemented with a combination of yeast culture and hydrolyzed yeast
(2017) [Artigo de periódico]Background: In order to reduce the effects of a negative energy balance, some measures have been taken into account in nutritional management during the transition period. The use of yeast, has been a good alternative used ... -
Metabolic attributes, yield and stability of milk in Jersey cows fed diets containing sodium citrate and sodium bicarbonate
(2013) [Artigo de periódico]The objective of this work was to evaluate the inclusion of sodium citrate and sodium bicarbonate in the diet of lactating Jersey cows, and its effects on the metabolic attributes, productivity and stability of milk. We ... -
Metabolic evaluation of dairy cows submitted to three different strategies to decrease the effects of negative energy balance in early postpartum
(2011) [Artigo de periódico]Durante o início da lactação as vacas leiteiras sofrem transtornos metabólicos causados pelo balanço energético negativo, o que predispõe a in iltração gordurosa hepática e cetose. O objetivo deste estudo foi avaliar o ... -
Metabolic profile of female lambs on annual ryegrass pasture managed under different grazing intensities and methods
(2020) [Artigo de periódico]The aim of this study was to evaluate the effect of grazing methods and intensities on the metabolic profile of lambs grazing ryegrass. This study was performed in Eldorado do Sul (RS). The treatments consisted of two ... -
Metal-resistant rhizobacteria change soluble-exchangeable fraction in multi-metal-contaminated soil samples
(2018) [Artigo de periódico]There is a complex interaction between various components of the soil ecosystem, including microbial biomass and soil chemical contaminants such as heavy metals and radionuclides, which may greatly affect the efficiency ... -
Meteorological factors and Asian soybean rust epidemics - a systems approach and implications for risk assessment
(2008) [Artigo de periódico]Condições meteorológicas e ambientais são componentes críticos nas epidemias de ferrugem asiática da soja (FAS), doença causada pelo fungo Phakopsora pachyrhizi e que causa o maior dano na cultura da soja. Nesta revisão, ... -
Methane efflux in rice paddy field under different irrigation managements
(2013) [Artigo de periódico]Paddy rice fields may contribute to methane (CH4) emission from soil due to anaerobic conditions after flooding. Alternatives to continuous flooding irrigation in rice have been developed to mitigate CH4 efflux into the ... -
Methane fluxes from waterlogged and drained Histosols of highland areas
(2014) [Artigo de periódico]Soil can be either source or sink of methane (CH4), depending on the balance between methanogenesis and methanotrophy, which are determined by pedological, climatic and management factors. The objective of this study was ... -
Methanolic extract of Urochloa humidicola on in vitro rumen fermentation
(2018) [Artigo de periódico]The objective of this work was to evaluate the effect of the addition of the methanolic extract of Urochloa humidicola at four different concentrations (0, 75, 150, and 250 g L-1) on the in vitro rumen fermentation of ... -
Methionine sources do not affect performance and carcass yield of broilers fed vegetable diets and submitted to cyclic heat stress
(2005) [Artigo de periódico]The supplementation of vegetal diets with L-methionine (100% molar), methionine hydroxyl analogue (HMB) (88% molar) or DLmethionine (99% molar) was compared as to the performance of broilers allocated in cages and submitted ... -
Method for the physical characterization of substrates using centrifugation
(2022) [Artigo de periódico]The characterization of substrate properties supports the correct choice of components and directs management decisions in container cultivation. There are several systems of analysis, however, the routine procedures to ... -
Methodology for classification of land use and vegetation cover using MODIS-EVI data
(2019) [Artigo de periódico]This study aimed to verify the applicability of using MODIS-EVI sensor time series for land use and vegetation cover mapping in the Pampa biome, Rio Grande do Sul state, Brazil. The study period comprised the months from ...
