Beef production and consumption.

نویسنده

  • P H Abelson
چکیده

Science serves its readers as a forum for the presentaMez tion and discussion of important issues related to the advancement of science, including the presentation of miIng a nority or conflicting points of view, rather than by pubing cc lishing only material on which a consensus has been reached. Accordingly, all articles published in Scienceburgei including editorials, news and comment, and book remone3 views-are signed and reflect the individual views of the authors and not official points of view adopted by the increa AAAS or the institutions with which the authors are afdistan fillated.

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Estimation of Energy Consumption and Greenhouse Gas Emissions of Transportation in Beef Cattle Production

Accounting for transportation is an important part of the life cycle analysis (LCA) of beef cattle production because it is associated with energy consumption and greenhouse gas emissions. This paper describes the development and application of a model that estimates energy consumption and greenhouse gas emissions of transport in beef cattle production. The animal transport model is based on th...

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درونزایی قیمت و مقدار در تجزیه و تحلیل تقاضای گوشت مرغ و گاو: شواهدی از گراف های غیرچرخشی سودار

In this study the causality relationship among variables in chicken and beef markets were investigated based on annual data from 1974 to 2004 in the I.S. of Iran. For this purpose, causality algorithms emerging from directed acyclic graphs were used in two cases, one based on co- integration analysis and innovation correlation matrix of Vector Error Correction Model (VECM) and the other using d...

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درونزایی قیمت و مقدار در تجزیه و تحلیل تقاضای گوشت مرغ و گاو: شواهدی از گراف های غیرچرخشی سودار

In this study the causality relationship among variables in chicken and beef markets were investigated based on annual data from 1974 to 2004 in the I.S. of Iran. For this purpose, causality algorithms emerging from directed acyclic graphs were used in two cases, one based on co- integration analysis and innovation correlation matrix of Vector Error Correction Model (VECM) and the other using d...

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A Comparative Study of Biodiesel Production from Beef Bone Marrow

This study is concerned with the viability of producing biodiesel from waste beef bone fat and evaluate this product according to the quality requirements defined by ASTM D- 6751. Accordingly, beef bone fat was heated to remove the moisture under vacuum at 60 . Alkaline Catalysed Transesterfication was carried out by  using 6:1 molar ratio of ethanol to fat in the presence of 1% w/w sodium hydr...

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Risk Perception and Consumer Willingness to Pay for Certified Beef in Spain

Food scares have increased consumer food safety concern, particularly for beef. Traceability and food quality labels have been put in place to communicate to consumers the safety characteristics of the specially labelled beef in hopes of recovering confidence and consumption. As a consequence, production costs have increased, and thereby consumer prices as well. In this paper we develop a conce...

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Livestock Farming Systems and Cattle Production Orientation in Eastern High Plains of Algeria, Cattle Farming System in Algerian Semi-Arid Region

This study was an attempt to devise productive orientations of cattle herds in eastern high plains of Algeria. In this regard, 165 farms randomly identified were investigated. The selection of breeders was based to existence of cattle on the farm, and the farmer proposed to investigation must have at least two cows. The approach taken was to identify all systems adopted by farmers in a region t...

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عنوان ژورنال:
  • Science

دوره 208 4444  شماره 

صفحات  -

تاریخ انتشار 1980