AustralieFrV1, Main, Exploration, bibRecord, 00BB89

Simulating rotational grazing management

Identifieur interne : 00BB89 ( Main/Exploration ); précédent : 00BB88; suivant : 00BB90

Simulating rotational grazing management

Auteurs : M.-J. Cros [France] ; M. Duru [France] ; F. Garcia [France] ; R. Martin-Clouaire [France]

Source :

Environment international [ 0160-4120 ] ; 2001.

RBID : Pascal:02-0017480

Descripteurs français

Pascal (Inist)
- Système production, Système aide décision, Modèle simulation, Gestion ressources, Elevage, Pâturage, Exploitation herbage, Traitement informatique, Système information, Bovin laitier, France, PATURAGE EN ROTATION.
Wicri :
- geographic : France.

English descriptors

KwdEn :
- Computerized processing, Dairy cattle, Decision support system, France, Grassland management, Grazing, Information system, Production system, ROTATIONAL GRAZING, Rearing, Resource management, Simulation model.

Abstract

Dairy systems predominantly based on rotational grazing are notoriously hard to manage. In order to ensure profitability, this type of production requires quite good organisation, planning, and operating capability on the part of the farmer. A simulation-based decision support system, called SEPATOU, has been developed for this purpose. At the core of the decision support approach lies an explicit and rigorous modelling of the management strategy that underlies a dairy farmer's decision-making behaviour (real or hypothetical). The SEPATOU system is a discrete-event simulator that reproduces the day-to-day dynamics of the farmer's decision process and the response of the controlled biophysical system for which models of grass growth, animal consumption, and milk production are used. SEPATOU provides the means to evaluate and compare tentative strategies by simulating their application throughout the production season under different hypothetical weather conditions. The relative worth of a strategy can be assessed by analysing the effects on the biophysical system and their variability across the representative range of possible conditions that is considered. The activities to be managed concern the type and amount of conserved feed, where to fertilise and how much, the choice of fields to harvest, and most importantly, which field to graze next. Typically, SEPATOU is designed to be used by extension services and farming system scientists. It is implemented in C++ and is currently undergoing a validation process with the intended users.

Affiliations:

Links toward previous steps (curation, corpus...)

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to stream Main, to step Curation: 00BB89

Le document en format XML

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<front><div type="abstract" xml:lang="en">Dairy systems predominantly based on rotational grazing are notoriously hard to manage. In order to ensure profitability, this type of production requires quite good organisation, planning, and operating capability on the part of the farmer. A simulation-based decision support system, called SEPATOU, has been developed for this purpose. At the core of the decision support approach lies an explicit and rigorous modelling of the management strategy that underlies a dairy farmer's decision-making behaviour (real or hypothetical). The SEPATOU system is a discrete-event simulator that reproduces the day-to-day dynamics of the farmer's decision process and the response of the controlled biophysical system for which models of grass growth, animal consumption, and milk production are used. SEPATOU provides the means to evaluate and compare tentative strategies by simulating their application throughout the production season under different hypothetical weather conditions. The relative worth of a strategy can be assessed by analysing the effects on the biophysical system and their variability across the representative range of possible conditions that is considered. The activities to be managed concern the type and amount of conserved feed, where to fertilise and how much, the choice of fields to harvest, and most importantly, which field to graze next. Typically, SEPATOU is designed to be used by extension services and farming system scientists. It is implemented in C++ and is currently undergoing a validation process with the intended users.</div>
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Simulating rotational grazing management

Simulating rotational grazing management

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri