Results 101 to 110 of about 225,138 (210)

CAMBIO DE PESO DE TORETES EN PASTOREO EN EL TROPICO: RESPUESTA A SUPLEMENTACION CON BLOQUE MULTINUTRICIONAL

open access: yesEcosistemas y Recursos Agropecuarios, 2014
El objetivo de este estudio fue evaluar la respuesta en cambio de peso vivo de toretes pastoreando estrella africana (Cynodon plectostachyus) y suplementados con bloque multinutricional en condiciones tropicales mexicanas, durante 90 d.
H Mijares-López   +4 more
doaj   +1 more source

Agronomic, economic and ecological aspects of the papaya (Carica papaya) production in Tabasco, Mexico [PDF]

open access: yes, 2010
The cultivation of papaya is important in the tropic because it provides source of income to the farmer within a short time. Statistical data were obtained from farmers located in the Chontalpa, Rios and Centro-Sierra regions; the size of the survey was ...
Geissen, V.   +5 more
core   +1 more source

MEJOR CONDICIÓN CORPORAL DE Artibeus lituratus EN FRAGMENTOS DE BOSQUE SECO ASOCIADOS A SISTEMAS SILVOPASTORILES QUE EN SISTEMAS CONVENCIONALES DE GANADERÍA EN CÓRDOBA, COLOMBIA

open access: yesOecologia Australis, 2019
El objetivo de este trabajo fue conocer la relacion entre caracteristicas del habitat y el indice de condicion corporal (ICC) de murcielagos fruteros Artibeus lituratus en fragmentos de Bosque Seco Tropical (bs-T) asociados a dos sistemas de manejo ...
J. Chacón-Pacheco   +1 more
semanticscholar   +1 more source

Mitochondrial Dysfunction Contributes to Decompensation in a Zebrafish Model of Isoproterenol‐Induced Heart Failure

open access: yesActa Physiologica, Volume 241, Issue 12, December 2025.
ABSTRACT Aim Heart failure is a clinical syndrome where the heart's structural or functional impairment leads to inadequate blood flow to meet the body's metabolic demands. Mitochondrial dysfunction is increasingly recognized as a central contributor underlying the contractile impairment observed in the failing heart.
Manuel Vicente   +6 more
wiley   +1 more source

Estudio de los sistemas silvopastoriles como alternativa para el manejo sostenible de la ganadería

open access: yesCiencia y Agricultura, 2018
Los sistemas silvopastoriles son vistos como una solución factible para la ganadería con enfoque de sostenibilidad. Se destaca que la ganadería contribuye con la seguridad alimentaria, al generar productos alimenticios, empleos e ingresos; sin embargo ...
Sandra Patricia Arciniegas-Torres   +1 more
semanticscholar   +1 more source

Coexistence and habitat restoration planning for the reintroduction of Spix's macaw

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Spix's macaw (Cyanopsitta spixii) is one of the world's most endangered species. Native to the Caatinga of northeastern Brazil—a region marked by significant socioeconomic vulnerability—the species was considered extinct in the wild in 2000. A reintroduction project, however, returned it to its natural habitat in 2022. The long‐term success of
Ugo Eichler Vercillo   +3 more
wiley   +1 more source

Morphometric Variation and Production Constraints of Criollo Sheep in the High Andes of Southern Peru

open access: yesAgriculture
This study aimed to characterize the morphometric traits and production systems of Criollo sheep in the highlands of Caylloma, Arequipa, Peru. A total of 455 sheep were evaluated using a stratified proportional sampling method across the districts of ...
Richard Estrada   +6 more
doaj   +1 more source

Taninos y fenoles sobre la fermentación in vitro de leñosas forrajeras tropicales

open access: yesAgronomía Mesoamericana, 2007
Con el objetivo de determinar la actividad biológica de factores antinutricionales en nueve follajes y cinco frutos arbóreos forrajeros de la región central del estado de Chiapas, México, se llevó a cabo el presente trabajo durante el año 2006.
René Pinto-Ruiz   +5 more
doaj   +1 more source

Economies of scale and obstacles to land reform, Andalusia 1931-36 [PDF]

open access: yes, 2006
Proceedings of the Sixth European Social Science History Conference, Amsterdam, 22-25 March 2006 ...
Carmona, Juan, Simpson, James
core   +1 more source

Classification, characterisation and strategies for improvement of cattle and sheep pasture systems in marginal areas of Southern Chile [PDF]

open access: yes, 2018
Pasture-based livestock systems in farms with medium or low size are especially important in less favored areas and are valuable for society. For these systems to survive, it is necessary to obtain an acceptable level of productivity and ensure ...
Avilez, J. P.   +5 more
core   +4 more sources

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