El engorde del ganado español en el siglo XX: Los modificadores metabólicos, cara y cruz de una panacea

Among the factors that have influenced livestock industrialization in 20th century, implications of substances promote fattening and animal growth (growth promoters) not been thoroughly addressed. Their role transformation Spanish farming is key question this article. A wide range these became available mid-twentieth century use peaked 1970s 1980s. We compared veterinary, livestock, specialized sources to analyze market penetration main promoters as well consequences on global trade policies agreements. Complex links between public health effects impacts led their prohibition protectionist agri-food measures were introduced European Union. This analysis reveals how played an important promoting industrial but misuse food surpluses they generated add weight trend calls for critique revision intensive production model.