Results 51 to 60 of about 144,163 (262)

Analytical Approaches to Address Challenges in the Analysis of Cannabinoids in Vascular Matrices Using Mass Spectrometry

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT Phytocannabinoids are bioactive metabolites derived from the Cannabis sativa plant. They have garnered attention due to their recreational uses and therapeutic potential. Although various analytical strategies have been employed for their analysis, mass spectrometry (MS) coupled to chromatographic separation is superior due to its sensitivity ...
Radwa Mahmoud   +2 more
wiley   +1 more source

Spatialization of climate, physical and socioeconomic factors that affect the dairy goat production in Brazil and their impact on animal breeding decisions. [PDF]

open access: yes, 2015
: Brazil has high climate, soil and environmental diversity, as well as distinct socioeconomic and political realities, what results in differences among the political administrative regions of the country.
CARVALHO JÚNIOR, O. A. de   +7 more
core  

Functional diversity in agricultural landscapes: evidence of long‐term clustering and multi‐scale effects of land use on avian communities

open access: yesOikos, EarlyView.
Functional diversity (FD) is an essential community property connecting biodiversity, ecosystem functioning, and conservation objectives. In agricultural landscapes, avian communities, which play key functional roles, are facing large‐scale biodiversity erosion, largely due to land‐use changes.
Pietro Tirozzi   +3 more
wiley   +1 more source

Leite instável não-ácido e composição do leite de vacas Jersey sob restrição alimentar Unstable nonacid milk and milk composition of Jersey cows on feed restriction

open access: yesPesquisa Agropecuária Brasileira, 2006
O objetivo deste trabalho foi avaliar o efeito da restrição alimentar na incidência do leite instável não-ácido (LINA) e na composição do leite de vacas Jersey.
Maira Balbinotti Zanela   +6 more
doaj   +1 more source

Composição do sangue e do leite em ovinos leiteiros do sul do Brasil: variações na gestação e na lactação [PDF]

open access: yesCiência Rural, 2006
A ovinocultura de leite tem avançado no Rio Grande do Sul nos últimos anos, sem o conhecimento das variações nos parâmetros metabólicos e de composição do leite que possa servir de apoio à pesquisa e à clínica.
Marcelo Arnt Brito   +6 more
doaj   +1 more source

Centering Care in Transformative Climate Change Education: A Theoretical Framework for Communal Learning Ecosystems

open access: yesScience Education, EarlyView.
ABSTRACT Research‐practice partnerships addressing climate change education face challenges navigating political resistance, epistemic tensions, and systemic inequities within schools and communities. Recent scholarship has outlined transformative climate change education (TCCE) as requiring the simultaneous transformation of curricula, pedagogies, and
Amal Ibourk, Deb L. Morrison
wiley   +1 more source

Seleção para objetivos econômicos em gado de leite. [PDF]

open access: yes, 2017
bitstream/item/132492/1/Livro-Selecao-para-objetivos-economicos ...
MARTINEZ, M. L.   +3 more
core  

Sustainable Utilization and Fire Protection of Wood‐Based Composites in Buildings: Innovations, Challenges, and Future Directions

open access: yesSustainable Development, EarlyView.
ABSTRACT The increasing use of wood and wood‐based composites in construction reflects a global shift toward renewable materials that support sustainable development objectives, including carbon reduction and responsible resource use. While wood offers substantial environmental benefits compared to conventional materials such as concrete and steel, its
Qaisar Munir   +2 more
wiley   +1 more source

INDICADORES ECONÔMICOS DE SISTEMAS DE PRODUÇÃO DE LEITE EM CONFINAMENTO TOTAL COM ALTO VOLUME DE PRODUÇÃO DIÁRIA

open access: yesCiência Animal Brasileira, 2014
Objetivou-se estimar alguns indicadores econômicos de fazendas leiteiras com alto volume de produção diária, em regime de confinamento total. Pretendeu-se, ainda, identificar os componentes que exercem maior influência sobre o custo operacional efetivo.
Glauber Santos, Marcos Aurélio Lopes
doaj   +1 more source

Cheese yield, casein fractions and major components of milk of Saanen and Anglo-Nubian dairy goats Rendimento de produção de queijos, frações de caseína e principais componentes do leite de cabras Saanen e Anglo-Nubiana

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2008
Avaliaram-se os componentes, as frações de caseína e o rendimento na produção de queijo do leite de cabras das raças Saanen e Anglo-Nubiana, principais raças criadas no Uruguai. O estudo foi realizado em uma fazenda com sistema de criação semi-intensiva.
J.P. Damián   +4 more
openaire   +2 more sources

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