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Book (stand-alone)Livestock breeds of China 1984
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No results found.This book gives a brief account of the distribution of livestock in various regions of China, as well as the breed characteristics developed under different ecological conditions. An attempt is made to illustrate the influence on breed formation of environmental factors, in addition to those of genetics and selection. The livestock breeds enumerated Include 14 horse, 2 camel, 14 yellow cattle, 4 dairy and milk/meat dual-purpose cattle, 8 water buffalo (types), 6 yak (types), 13 sheep, 18 goat an d 15 swine. An understanding of animal ecology will undoubtedly guide plans for regionalitzation of livestock In our country. It is also pointed out that our rich breed resources provide us with genetic material of great value in animal breeding. our swine breeds Influenced the improvement or formation of some foreign breeds In the past, and may have even more influence In the future, though this may not be foreseen at present. We should, therefore, promptly study breed characteristics, and wo rk on the Investigation, protection, selection, development and utilization of these valuable resources. The present work is not merely an English translation of the author's recent book, published in Chinese In 1980. It is greatly expanded, and a new chapter on Goat Breeds has been added. Some revisions and necessary corrections have been wde and more illustrations added to ensure that readers will more easily obtain a general idea of the ecological characteristics of livestock breeds in Chin a. Attempts made here to Illustrate the relationship between our livestock breeds and their environments are restricted by the knowledge of the author and the reference data available. This book is just a beginning, and it is earnestly hoped that further systematic and Intensive studies in the field of animal ecology will be made by others. -
Book (stand-alone)Forest Genetic Resources No. 25 1997The present issue of Forest Genetic Resources (FGR) goes to press immediately following the Eleventh World Forestry Congress held in Turkey 13-22 October 1997, which more than 4000 colleagues from 145 countries attended. In regard to the conservation and use of forest genetic resources, the Congress, in its deliberations and report, stressed that action to conserve, manage, sustainably utilize and enhance forest genetic resources is an urgent priority. The lead article in the present issue, whil e focusing on temperate conifers, will provide guidance in the development of in situ strategies also in other ecological zones. In addition, FGR No. 25 includes a number of additional notes and articles from colleagues in all regions of the world.
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