Abstract
No program exists in the U.S. to sample, evaluate, and use optimally the genetic diversity present in animals important as food and fiber worldwide. Yet animal products provide U.S. consumers with substantial amounts of essential nutrients. Animals and animal products constitute about 50% of total farm sales in the U.S. Furthermore, all domesticated food and fiber animals now in the U.S. originated in, or were introduced from, other parts of the world. Because the U.S. has a limited sample of animals important as food and fiber worldwide, there is a need to develop a comprehensive program of systematically sampling, evaluating/characterizing, and developing breeding systems to use these resources in an optimal manner. Such an effort could provide the foundation for an organized program of acquiring and maintaining the genetic variation needed in our populations of food and fiber animals to achieve and maintain optimum adaptation to continuing changes in our diverse production-marketing ecosystems. An organized program of animal genetic resources management is needed to provide the framework for a comprehensive program of animal breeding research and development. The development of procedures for movement of animal genetic resources with minimal risk to animal health should receive high priority. The level of genetic diversity needed is greatest and perhaps easiest to maintain for the extensively managed food and fiber animal species (e.g., beef cattle, sheep, goats) because of their variable, dynamic production environments and marketing situations. Continuing optimum adaptation of global genetic stocks to varied production-marketing ecosystems is required for most effective use of U.S. animal production resources and to insure an adequate supply of reasonably priced animal products to meet the nutritive requirements of the U.S. population in the 21st century and beyond.
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Gregory, K.E., Dickerson, G.E. (1989). Sampling, evaluation and utilization of animal genetic resources. In: Knutson, L.V., Stoner, A.K. (eds) Biotic Diversity and Germplasm Preservation, Global Imperatives. Beltsville Symposia in Agricultural Research, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2333-1_10
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