Download Animal Biotechnology: Science-Based Concerns by Debra Davis PDF

By Debra Davis

Genetic-based animal biotechnology has produced new nutrients and pharmaceutical items and provides many extra advances to learn humankind. those interesting customers are followed by means of enormous unease, besides the fact that, approximately concerns corresponding to defense and ethics. This publication identifies science-based and policy-related issues approximately animal biotechnology - key concerns that needs to be resolved ahead of the recent breakthroughs can achieve their power. The publication features a brief heritage of the sphere and offers comprehensible definitions of phrases like cloning. taking a look at applied sciences at the close to horizon, the authors speak about what we all know and what we worry approximately their results - the inadvertent free up of risky microorganisms, the security of goods derived from biotechnology, the influence of genetically engineered animals on their atmosphere. as well as those issues, the booklet explores animal welfare matters, and our societal and institutional potential to control and control the expertise and its items. This obtainable quantity may be vital to everybody attracted to the results of using animal biotechnology.

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Additional resources for Animal Biotechnology: Science-Based Concerns

Sample text

The meat quality of oysters is high just before they spawn, but low after spawning. The product quality of reproductively sterile, triploid oysters remains high year-round. Hence, triploid stocks of Pacific oyster (Crassostrea gigas) provide a tangible benefit to aquaculturists, and now make up almost half of commercial production in the Pacific Northwest. Unfortunately, repeatable induction of 100 percent triploidy on a commercial scale poses a considerable technical challenge. Non-triploid larvae within batches of larvae easily can go undetected if their frequency is low (USDA, 1995).

3, such as production of transgenic animals by gene transfer, are very difficult to predict. Uncertainties range from mere inexactness and unreliability to those that are fundamentally unknowable a priori (Funtowicz and Ravetz, 1992). Clearly, technologies that pose high stakes and high uncertainties pose fundamentally different challenges than those posing low stakes and little uncertainty. For this reason, for each concern discussed in this report, the committee has attempted, where possible, to specify (1) what is known, (2) the certainty with which it is known, (3) what is not known, (4) what is suspected, and (5) the limits of the science.

Production of some GE fish and shellfish might result in environmental benefits when compared to conventional aquacultural practices. For example, production of fish expressing a phytase transgene might allow use of less fishmeal in feeds while decreasing phosphorus in waste products from aquaculture operations. However, transgenic fish and shellfish might pose environmental hazards. Cultivated salmon have escaped into the wild from fish farms and these salmon already pose ecologic and genetic risks to native salmon stocks.

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