منابع مشابه
The greenhouse emissions footprint of free-range eggs.
Eggs are an increasingly significant source of protein for human consumption, and the global poultry industry is the single fastest-growing livestock sector. In the context of international concern for food security and feeding an increasingly affluent human population, the contribution to global greenhouse-gas (GHG) emissions from animal protein production is of critical interest. We calculate...
متن کاملBattery Eggs Sale and Production in the ACT Research Report
The Productivity Commission was established in April 1998 as the Government's principal microeconomic research and advisory body. It undertakes analysis of a broad range of social and economic issues affecting Australia as a whole. For example, it has recently reported into private charities, public housing, government assistance to industry, health insurance and ecologically sustainable land m...
متن کاملElevated PCDD/F levels and distinctive PCDD/F congener profiles in free range eggs.
Chicken eggs are one of the most important foods in the human diet all over the world, and the demand for eggs from free range hens has steadily increased. Congener-specific analyses of 17 polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) were performed on 6 free range and 12 caged chicken egg samples collected in Taiwan. The mean level of PCDD/Fs in the free range egg samples was 5...
متن کاملChemical residues in poultry and eggs produced in free- range or organic systems
Residues in poultry arise from accidental or intended exposure to chemicals. The exposure routes are by oral ingestion (feed, water, soil and preening), by inhalation, by dermal absorption or by injection. Chemical contaminants are not a major issue in the principles of organic or free-range systems. Risk management of chemicals has not been addressed widely and if so the attention was focused ...
متن کاملRequirements for battery-free embedded systems
Historic and current development of Europe’s information society aims to increase functionality, mobility and of availability of commercial and noncommercial services. [1] In the 1990’s one of its major drivers was the evolution of mobile phones, followed by mp3 players, “gameboys” and laptops. These multi-billion dollar markets were technological drivers for the evolution from specialized to m...
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ژورنال
عنوان ژورنال: Nature
سال: 1968
ISSN: 0028-0836,1476-4687
DOI: 10.1038/2201363a0