منابع مشابه
Beef production and consumption.
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 b...
متن کاملEstimation 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...
متن کاملA 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...
متن کاملHealth Implications of Beef Intramuscular Fat Consumption
Despite several issues in relation to human health, beef is still a most popular meat product among large section of society due to the presence of high quality protein and other nutrients. The current paper reviews numerous studies that provide nutritional profiles and health implications of high marbled beef consumption. In relation to lipid content of beef, intramuscular fat contains high le...
متن کاملBreeding Systems for Beef Production
Pedigree. All individuals in a genetic population (such as a herd, family line, or breed) are related to some extent. One pedigree plan mates individuals more closely related than the average of the population; it is termed inbreeding. Long-term inbreeding in a closed herd may increase genetic uniformity, but inbreeding usually reduces performance, especially in fertility and survival. This is ...
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ژورنال
عنوان ژورنال: Science
سال: 1980
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.208.4444.555