Results: 13

Seasonal variance in the chemical composition of essential oils from Lantana camaraaccessions and their trypanocidal activity on Phytomonas serpens

The objective of this study was to investigate the seasonal variance of the content and chemical composition of the essential oil from Lantana camara accessions at two harvest times, and to analyze the trypanocidal activity on Phytomonas serpens. Essential oil content ranged from 0.13 to 0.29% in the rai...

Profile of endoparasites in dairy cattle in the microregion of São João del-Rei, state of Minas Gerais, Brazil

The present study provides the first evaluation of the endoparasite profile in dairy cattle from the microregion of São João del-Rei, Minas Gerais, Brazil, including seasonal variations in parasitic infections. Fecal samples were collected directly from rectum of 123 dairy cows and 160 calves on 15 far...

Coffea arabica L: History, phenology and climatic aptitude of the state of São Paulo, Brazil

Arq. Inst. Biol; 88 (), 2021
The genus Coffea belongs to the Rubiaceae family and includes two species with optimum economic performances, Coffea arabica and Coffea canephora. The state of São Paulo is one of the states that produce the species C. arabica in Brazil. Arabica coffee has been of great importance to São Paulo, providi...

Simulación de temperatura y precipitación estacional durante el período 1998-2000 en Centro América utilizando el modelo climático regional RegCM

Cienc. tecnol. salud; 8 (1), 2021
Este documento presenta un análisis comparativo de los resultados de un modelo de simulación de clima, datos de reanálisis regionales y datos locales de precipitación y temperatura estacional de veintitrés estaciones me-teorológicas de Guatemala, para detectar señales de la habilidad del modelo a ...

Morphogenetic and structural characteristics of gamba grass subjected to nitrogen fertilization and different defoliation intensities

Biosci. j. (Online); 36 (5), 2020
This study aimed to evaluate the morphogenetic, structural, and productive characteristics of Andropogon gayanus cv. ‘Planaltina’ subjected to different nitrogen fertilization levels and defoliation intensities. The experiment was done in a completely randomized design with a fa...

Long term beef production in extensive cow-calf systems in the tropical savannas of eastern Colombia

Rev. med. vet. zoot; 67 (1), 2020
ABSTRACT Replacement beef heifers in extensive systems of the neotropical savannas of Colombia are low priority animals and are assigned to native savannas and low-quality pastures, with scarcely researched long-term consequences. The study pooled data from four contemporary grazing experiments to determ...

Perkinsus sp. infecting three important mollusks from Jaguaribe River estuary, Ceará, Brazil

This work investigated the occurrence of Perkinsus sp. in clam Anomalocardia brasiliana, oyster Crassostrea sp. and mussel Mytella falcata from the Jaguaribe River estuary, northeastern Brazil. The collection of clam (N = 300), oysters (N = 300) and mussels (N = 300) were...

Plan de contingencia del Ministerio de Salud frente a los efectos de las lluvias intensas, inundaciones y movimientos en masa, 2019-2020: Documento técnico

El documento contiene los objetivos, líneas de acciones y las actividades que prioritariamente se deben realizar, a fin de implementar acciones de preparación y respuesta ante la temporada de lluvias 201-2020, articulando intervenciones del nivel nacional con el nivel regional y local....

Subnicho etario y biología reproductiva de Parachondria neglectus (Littorinimorpha: Annulariidae) en Manzanillo, Cuba

Rev. biol. trop; 66 (4), 2018
Resumen Parachondria neglectus es un molusco terrestre de la familia Annulariidae, endémico de Cuba y microlocalizado en la provincia de Granma. En la presente investigación se caracterizaron la dinámica temporal del subnicho etario y algunos aspectos de la biología reproductiva de una población de ...

Plan de contingencia del Ministerio de Salud frente a los efectos de las lluvias y fenómeno El Niño, 2018 - 2019: Documento técnico

El plan contiene: la finalidad, objetivos, base legal, ámbito de aplicación y desarrollo del plan de contingencia del Ministerio de Salud frente a los efectos de las lluvias y fenómeno El Niño, 2018-2019....