Bovine growth hormone is a protein that occurs naturally in cattle. A chain of 190 amino acids, bGH is produced by the pituitary gland and helps to regulate a cow’s lactational cycle; generally speaking and up to a certain point, the more bGH a cow has, the more milk she gives. Using the techniques of genetic engineering, researchers at Monsanto Company have isolated the gene that produces the protein and devised low-cost techniques to manufacture it. Bacteria are placed into fermentation (...) chambers where they multiply rapidly; lab technicians then extract and purify the final product, which is identical to the naturally occurring protein in 189 of the 190 amino acids; and the product is then injected into cows. (shrink)

Emerging bovine somatotropin (or “bovine growth hormone” [bGH]) technology has become highly controversial even though the technology is one to two years from commercial introduction. The bGH controversy is discussed and placed in the context of the evolution of the American public agricultural research system and farm structural change over the past 15 years. It is argued that while many observers tend to overestimate the degree to which bGH will be representative of other biotechnologies applied to agriculture, the bGH case (...) may well reflect a more general pattern of the changing clientele relations of the land-grant system and of the changing character of technology developed within the public agricultural research system. In particular, these new clientele and technical relations may portend a new era in which farmers begin to scrutinize the land-grant research portfolio, which might in turn lead to diminished political support by state-level farmers' groups for agricultural research appropriations. (shrink)