Showing 1 - 10 of 452
Antimicrobial drugs are fed to hogs at sub-therapeutic levels to prevent disease and promote growth. However, there is concern that the presence of antimicrobial drugs in hog feed is a factor promoting the development of antimicrobial drug-resistant bacteria. This study uses a sample-selection...
Persistent link: https://www.econbiz.de/10005330168
Estimates of price and scale elasticities for U.S. consumed shrimp are derived using aggregate source country shrimp import data. It was assumed that supply was perfectly elastic and U.S. wholesalers determine the quantities imported from individual countries given the prices and preferences of...
Persistent link: https://www.econbiz.de/10005483716
This paper explores the time series properties of cattle and feed prices to determine the effect shocks may have on price evolution. Two different unit roots tests are applied to the data and compared and the issue of fractional integration is discussed. A Geweke Porter-Hudak test finds that at...
Persistent link: https://www.econbiz.de/10005330127
Persistent link: https://www.econbiz.de/10005220641
As with other technologies, adoption of Bt seed requires technology specific knowledge. Growing secondary pest populations have slowly eroded the benefits of Bt technology in China. We illustrate the effects of introducing Bt technology among farmers with an imperfect knowledge of secondary pest...
Persistent link: https://www.econbiz.de/10005220642
Soybean production in the South has evolved over recent years from conventional soybean production systems (CSPS) in which soybeans are planted after May 1st to early soybean production systems (ESPS) in which soybeans are planted as early as mid-March. The shift was aided by the advent of...
Persistent link: https://www.econbiz.de/10005220643
The purpose of this paper is to model the manure management policy implemented in the European Union, and more specifically the limit imposed on the spreading of organic nitrogen. A theoretical model is defined in such a way that a number of specificities concerning livestock production can be...
Persistent link: https://www.econbiz.de/10005220644
This research evaluates the impact of using different starting conditions in estimating meat demand systems. Results suggest that as the econometric task becomes increasingly nonlinear, specification of starting conditions becomes increasingly important. This work demonstrates implications of...
Persistent link: https://www.econbiz.de/10005220645
System of input demand functions is estimated to examine the impact of farm program payments on farm economic structure. Influence of farm program payments on input resource use for the time periods corresponding to the thirteen farm bills in effect since 1938 is also examined. Empirical...
Persistent link: https://www.econbiz.de/10005220646
The Energy Policy Act of 2005 includes a provision designed to double the production and use of ethanol in fuels by 2012, and that beginning in 2013, a minimum of 250 million gallons per year of ethanol be produced from lignocellulosic sources such as corn stover, wheat straw, and switchgrass....
Persistent link: https://www.econbiz.de/10005220647