13 documents found, page 1 of 2

Sort by Issue Date

Pastoreio em Floresta - Oportunidade de produção diferenciada e ferramenta de g...

Castro, Marina; Ferraz-de-Oliveira, Maria Isabel; Carita, Teresa; Potes, José Mira; Sales-Baptista, Elvira


Result-based payments as a tool to preserve the High Nature Value of complex si...

Pinto-Correia, T; Ferraz-de-Oliveira, Maria Isabel; Guimarães, Maria Helena; Sales-Baptista, Elvira; Cruz, Carla; Godinho, Carlos; Santos, Ricardo

s shown by the Green Deal's ambition, the European Commission is progressively pushing for an environmental shiftand climate action in Europe. For the Common Agricultural Policy (CAP), this involves a stronger focus on greening policy objectives.For agri-environmental schemes, this entails changes toward performance-based payments, partially replacing traditional activity-basedpayments. The CAP foresees greater...


Characterization of grazing behaviour microstructure using point-of-view cameras

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel; Terra-Braga, Marina; Lopes de Castro, José António; Serrano, João; Cancela d’Abreu, Manuel

Grazing patterns, intake structure, and diet selection are dynamic responses to animals’ feeding environment. This study uses video sequences from animal-borne cameras to capture time- and scale-dependent grazing behaviour variables related to sward explanatory conditions. We observed grazing ‘through’ the sheep’s eyes using point-of-view (POV) cameras coupled with event logging software. Time-specific sward fe...


Grazing in silvopastoral systems: multiple solutions for diversified benefits

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel

Abstract Silvopastoral systems are multifunctional systems that combine herbage, shrub and tree layers with grazing animals in a single site. The multiple possible combinations of components within these systems creates different options that have in common the capacity to deliver positive outcomes related to land productivity and environmental and climatic benefits. This editorial provides a perspective of the...


Pastor.i _ Uma aplicação de smartphone para facilitar a gestão do pastoreio

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel; Cancela d'Abreu, Manuel; Salgueiro, Pedro; Rato, Luís Miguel

Grazing in extensive beef farming systems is often manage in an empirical way based on past experience and on the visual appreciation of animal behavior and forage potential. Records of entrances and exits of the animals in the paddocks in a regular basis are rare. However, knowing the occupation period and the animal density, when coupled with biomass defines the grazing pressure and carry capacity. This knowl...


Tecnologia GNSS de baixo custo na monitorização de ovinos em pastoreio

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel; Santos, Margarida Brandão dos; Castro, José António Lopes de; Pereira, Alfredo

As pastagens naturais e biodiversas que suportam a pecuária extensiva são caracterizadas por marcada variação da biomassa das espécies botânicas presentes, e do seu estado fenológico ao longo das estações do ano. Nestas circunstâncias, a utilização do alimento e a ocupação do espaço da pastagem podem ser muito heterogéneas devido, entre outras causas, ao comportamento de pastoreio dos ruminantes. Uma gestão efi...

Date: 2019   |   Origin: Revista de Ciências Agrárias

Pastor.i: a smartphone application to facilitate grazing management

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel; Cancela d'Abreu, Manuel; Salgueiro, Pedro; Rato, Luís Miguel

Grazing in extensive beef farming systems is often manage in an empirical way based on past experience and on the visual appreciation of animal behavior and forage potential. Records of entrances and exits of the animals in the paddocks are rare. However, knowing the occupation period and the animal density, when coupled with biomass defines the grazing pressure. This knowledge is essential for planning and mak...


Grazing decisions through animal's eyes: animal-borne video cameras on free ran...

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel; Lopes-de Castro, José António

Feed intake is probably one of the most important constraints on ruminant productivity irrespective of the type of production system. Eating is a voluntary act that includes decisions such as when, where, what and how much to consume. These decisions, ultimately define the overall dietary quality, the total amount consumed and the highly adaptable behaviour pattern. The complexity of the mechanisms responsible ...


Assessing grazing impact: Indicators of grazing pressure in Montados

Sales-Baptista, Elvira; Ferraz-de-Oliveira, Maria Isabel; Lopes-de Castro, José António; Fonseca, Elsa; Belo, A.D.F.; Simões, Maria Paula; Guiomar, Nuno

Pastures are not evenly grazed, mainly as a consequence of irregular livestock spatial distribution and grazing behaviour. Even in homogeneous pastures, ruminants select distinct areas for resting and grazing. Furthermore, when grazing they adopt patchy locations, moving across the pasture and pausing for feeding, selecting among plants and layers along the foraging path. As a result of this particular behaviou...


Spatial variability of the nutritive value of the main feeding resources of Mon...

Ferraz-de-Oliveira, Maria Isabel; Machado, Graça; Guiomar, Nuno; Cabeza, Maria; Garcia, Susana; Tejerina, David; Sales-Baptista, Elvira

Montado in Portugal and Dehesa in Spain are open savannah-type woodlands covering about 6 million ha and comprising mainly cork (Quercus suber) and holm (Q. rotundifolia and Q. ilex) oaks. Although Montados and Dehesas may differ, they both are exploited through multiple land use where the main income is extensive livestock production. For both systems, the main available feed resources are pastures and acorns ...


13 Results

Queried text

Refine Results

Author





















Date








Document Type





Access rights


Resource




Subject