Prolific sheep
著者
書誌事項
Prolific sheep
CAB International, c1996
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
As reproductive performance is an important criterion in animal production, there is considerable interest in prolific breeds. Certain prolific breeds of sheep produce an average of more than two lambs per pregnancy. With the 'discovery' of the Finnsheep and Romanov breeds, followed in the 1980s by the discovery of the Booroola gene in Australia, research into prolificacy has escalated. Also, artificial insemination and embryo transfer techniques now make it easier to move prolific breeds across continents and incorporate prolificacy into local populations. There have also been a number of recent studies on the physiology, nutrition and management of prolific sheep. Previously there has been no single book reviewing and collating current knowledge of prolific sheep. This book fills the gap and covers all aspects of the subject, including descriptions of the various breeds. Written by authors from every region of the world, the book is a comprehensive work on this subject.
目次
1: Introduction H N Turner 2: Historical background and recognition of prolific sheep J W B King 3: Prolific sheep breeds K Maijala et al. 4: Economic importance of prolificacy in sheep G E Dickerson 5: The spread of prolific sheep into various countries L Veress 6: The use of prolific sheep in various countries D Croston et al. 7: Feeding and management of prolific sheep M H Fahmy et al. 8: Reproductive physiology and endocrinology of prolific sheep B M Bindon, L R Piper and M A Hillard 9: The reproductive behaviour of prolific sheep P Poindron et al. 10: Diseases associated with prolificacy I D Aitken 11: Detecting major genes for prolificacy and strategies for their use P Mulsant and J M Elsen 12: Future research opportunities and prospects C E Terrill and M H Fahmy
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