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Feed is the greatest single cost factor in pig production, and protein and energy accounts for the largest proportion of feed costs. Therefore, it is crucial that the protein and energy content of a diet is characterized in the best possible way. Over the past years, the standardized ileal digestibility (SID) of crude protein (CP) and amino acids (AA) has been introduced into diet formulation for pigs in several countries. Moreover, different energy systems are available for feed evaluation including digestible energy (DE), metabolizable energy (ME) and net energy (NE). For soybean meal (SBM), the most commonly used feed ingredient in pig diets, tabulated values for SID of AA in addition to ...
This a collection of travel stories over nearly sixty years from 1949 to 2007. During that time the author saw many changes in Africa and recorded them with his observations, often with the goal of extending his knowledge of history and pre-history of the region. These stories fill gaps between previous books devoted to particular expeditions.
First multi-year cumulation covers six years: 1965-70.
On the philosophical margins of action and reaction and the texture of insinuation, pretense and fake, Jürgens discusses medial doctrines, their social maxims and trends in their ever-changing transformation of an osmosis between online-offline realities.
Peter Decherney explores how the concerns of intellectuals and the needs of Hollywood studio heads led to the development of a mutually beneficial relationship during Hollywood's Golden Age (1915-1960). During this period, museums, universities, and government agencies used films to maintain their position as quintessential American institutions, transforming movies into an art form and making moviegoing a vital civic institution. Decherney's history features an intriguing cast of characters, including the poet Vachel Lindsay, film producers Adolph Zukor and Joseph Kennedy, Hollywood flak Will Hays, and philanthropist Nelson Rockefeller. He shows how Columbia and Harvard started film studies programs in the 1910s and 1920s to remake American education and American culture. And he shows how the Museum of Modern Art, the U.S. Office of War Information, and the National Endowment for the Arts worked with Hollywood to fight fascism and communism and to promote American values abroad. Hollywood and the Culture Elite offers a unique glimpse into the collaboration between Hollywood and the stewards of high culture to ensure their own survival and profitability.