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| Veysset, Patrick; Tauriac, R; Benoit, M.; Belvèze, J; Patout, O; Reuillon, J.-L.; Morin, E; Vallas, M. |
| The “Organic Farming Massif Central” hub and fifteen partners lead a program on sustainability and on the technical and economic operation of OF livestock systems in the Massif Central. This systemic and multi-year study (2008-2011) is based on data from a constant sample over four years, from 56 farms comprising four types of products: cattle and sheep, dairy and meat. Over 4 years, the technical and economic results are quite stable, and at a good level, but with great variability inter-farms. With lower labor productivity, but with a more diversified crop rotation, a good food self-sufficiency and good technical skills, the farms with the highest income get an income more than four times higher than the farms with the lowest income . |
| Tipo: Journal paper |
Palavras-chave: Dairy cattle; Farm economics; Animal husbandry; Beef cattle; Sheep and goats. |
| Ano: 2013 |
URL: http://orgprints.org/26782/1/Veysset_2013_CIAG_Vol32.pdf |
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| Veysset, Patrick; Ingrand, Stéphane; Limon, Mathilde. |
| In response to the bovine crises of 1996 and 2000, and also to the poorly structured organic beef market chain, direct marketing of beef to consumers by the farmer has developed. We studied the impact of this marketing system on economic performance and farming practices. The results show that direct marketing can generate added value, despite the extra costs. Farmers have made the necessary changes to their practices, and have adapted their herd management. Through strengthening the link between the farm and the outside world, direct marketing offers an alternative to the expansion of farms, making it possible to support a greater workforce with the same structure. |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Farm economics. |
| Ano: 2008 |
URL: http://orgprints.org/11876/1/11876.pdf |
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| Veysset, Patrick. |
| French suckler farmers need advice on the impact of the conversion to OF. To help them with their decision-making process, we constructed an LP model that optimises the farming system, taking OF constraints and nitrogen balance into account. According to the model, the shift to OF had a greater impact on a mixed crop-livestock farm system than on that of a grassland farm. As a result of the very high cost of organic N fertiliser and the necessity of maintaining the N balance, the shift to OF in the case of the mixed farm resulted in less emphasis on cereal and more emphasis on livestock. For this type of farm, a significant drop in its proportional costs due to extensification was sufficient to maintain the overall gross margin of the holding. For the... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Beef cattle. |
| Ano: 2005 |
URL: http://orgprints.org/4334/3/Veysset_4p_revised%2Ded.doc |
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| Veysset, Patrick; Bécherel, Frédéric; Bébin, Didier. |
| Le Massif Central détient 25% des vaches allaitantes françaises certifiées AB. Afin d’obtenir des références technico-économiques, 22 élevages bovins allaitants AB ont été suivis en 2004, dont 13 en échantillon constant depuis 2001. Ces exploitations herbagères sont toutes situées en zone défavorisée et leurs performances ont été comparées à un groupe de 105 exploitations conventionnelles de la même zone géographique. Le chargement et la production de viande vive/UGB y sont 20% plus faibles que chez les conventionnels. La plus-value sur le prix de la viande n’est que de 7% car, suite aux difficultés de mise en marché, les animaux engraissés ne représentent que 45% des ventes alors que seuls les animaux gras sont valorisés sur le marché bio. Le produit... |
| Tipo: Journal paper |
Palavras-chave: Farm economics; Beef cattle. |
| Ano: 2009 |
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| Veysset, Patrick; Lherm, Michel; Bébin, Didier. |
| Conversion to OF was simulated for four specialized suckler-beef systems by coupling an economic optimization model (“Opt’INRA”) with a model assessing non-renewable energy (NRE) consumption and greenhouse gas (GHG) emissions (“PLANETE”). After adaptation of the production system, and based on average prices over 2004–2008, we analyzed the productive, environmental and economic impacts of the conversion process. The ban on chemical fertilizers led to a drop in farm area productivity. For these specialized farms, meat production decreased by 18% to 37% depending on initial level of intensification. The reduced use of inputs results in a 23% to 45% drop in NRE consumption/ha, 5–20% of which is a drop in NRE per ton of live weight produced. Its methane... |
| Tipo: Journal paper |
Palavras-chave: Farm economics; Beef cattle; Air and water emissions. |
| Ano: 2011 |
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