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Full-Text Articles in Business
Invasive Species And E-Commerce, Invasive Species Advisory Committee
Invasive Species And E-Commerce, Invasive Species Advisory Committee
National Invasive Species Council
ISSUE
Internet commerce (hereafter e-commerce) is a growing and vital part of the United States economy. Total e-commerce sales in the United States for 2011 totaled $194 billion, an increase of 16% over 2010. From 2002 to 2011, the proportion of reported e-commerce sales in the U. S. grew from about 1.4% to 5.5% of total retail sales (United States Census Bureau News 2012). Globally, e-commerce is expected to increase at a rate of 13.5% annually, amounting to $1.4 trillion in yearly sales by 2015 (Enright 2011). A portion of this activity includes the sale and trade of living organisms. …
Economic Impact Of Stable Flies (Diptera: Muscidae) On Dairy And Beef Cattle Production, David B. Taylor, Roger D. Moon, Darrell R. Mark
Economic Impact Of Stable Flies (Diptera: Muscidae) On Dairy And Beef Cattle Production, David B. Taylor, Roger D. Moon, Darrell R. Mark
Department of Agricultural Economics: Faculty Publications
Stable flies, Stomoxys calcitrans (L.), are among the most damaging arthropod pests of cattle worldwide. The last estimate of their economic impact on United States cattle production was published 20 yr ago and placed losses at $608 million. Subsequently, several studies of effects of stable flies on beef cattle weight gain and feed efficiency have been published, and stable flies have become increasingly recognized as pests of cattle on pasture and range. We analyzed published studies and developed yield-loss functions to relate stable fly infestation levels to cattle productivity, and then estimated the economic impact of stable flies on cattle …