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Author: T. R. Preston Publisher: Elsevier ISBN: 1483293157 Category : Technology & Engineering Languages : en Pages : 602
Book Description
Intensive Beef Production, Second Edition focuses on the technologies, methodologies, and approaches involved in beef production, including genetics, breeding, feed utilization, fertility, and growth efficiency. The publication first elaborates on the beef market, carcass composition and quality, and genetic improvement. Discussions focus on breeding systems, correlation between traits, selection for meat production in dairy cattle, body weight and composition, carcass evaluation, consumption, and international trade. The book then examines genotype, physiology of digestion and feed utilization, and beef calf production, including factors controlling feed intake, nitrogen utilization, artificial methods of augmenting fertility, birth weight, calf mortality, and weaning weight. The text takes a look at dairy calf production, breed, sex, and hormones, and growth and efficiency. Topics include energy concentration and source, grain processing, protein, antibiotics, vitamins, growth mechanisms, breed, hormones, breed suitability, and mortality and disease. The book is a valuable reference for researchers interested in beef production.
Author: T. R. Preston Publisher: Elsevier ISBN: 1483293157 Category : Technology & Engineering Languages : en Pages : 602
Book Description
Intensive Beef Production, Second Edition focuses on the technologies, methodologies, and approaches involved in beef production, including genetics, breeding, feed utilization, fertility, and growth efficiency. The publication first elaborates on the beef market, carcass composition and quality, and genetic improvement. Discussions focus on breeding systems, correlation between traits, selection for meat production in dairy cattle, body weight and composition, carcass evaluation, consumption, and international trade. The book then examines genotype, physiology of digestion and feed utilization, and beef calf production, including factors controlling feed intake, nitrogen utilization, artificial methods of augmenting fertility, birth weight, calf mortality, and weaning weight. The text takes a look at dairy calf production, breed, sex, and hormones, and growth and efficiency. Topics include energy concentration and source, grain processing, protein, antibiotics, vitamins, growth mechanisms, breed, hormones, breed suitability, and mortality and disease. The book is a valuable reference for researchers interested in beef production.
Author: R. McGregor Publisher: Springer Science & Business Media ISBN: 9401114641 Category : Business & Economics Languages : en Pages : 1118
Book Description
The thirteenth edition of McGregor's Who Owns Whom presents a summary of the annual report of every company listed on the Johannesburg stock exchange, plus those on the stock exchanges of Harare, Windhoek and Gaberone. For each company, the data presented include: ultimate controlling shareholder, shareholders above 1%, directors, addresses of registered offices, nature of business, year end, number of employees, capital structure, financial statistics and ratios, subsidiaries, associated companies and investments. Comprehensive indexes reveal the ownership of approximately 16,000 companies, the share portfolios of major S.African investors, and the cross-directorships of 4000 directors of listed companies. Detailed schedules provide additional data including newly listed companies, companies recently delisted, companies categorised by sector, companies listed by financial year end, company name changes, unit trusts, mines working results, and much more.
Author: J. D. Skinner Publisher: Cambridge University Press ISBN: 0521844185 Category : Science Languages : en Pages : 900
Book Description
"This third, extensively revised edition of The Mammals of the Southern African Subregion contains detailed descriptions of all mammals that occur naturally on the African mainland south of the Cunene and Zambezi rivers, together with all mammals indigenous to the subregion's coastal waters. The rapid accumulation of new information resulting from mammal research in southern Africa, together with radical taxonomic changes across all levels of mammalian classification, have necessitated this new edition, which presents the best and latest data accurately in one comprehensive volume for use not only by scientists but also by an increasingly wide audience of general readers with an interest in the natural history of southern Africa." "J. D. Skinner and C. T. Chimimba have revised, expanded and updated the text in a major project overseen by an editorial committee constituted by the Mammal Research Institute at the University of Pretoria. Specialists on each mammalian order have served as subeditors, and a range of independent and internationally recognised authorities have reviewed every species description." "In this edition all the distribution maps and many of the illustrations of mammal prints have been updated and redrawn, several new colour plates have been added, and the whole design of this definitive reference work has been enhanced to ensure easy access to information."--BOOK JACKET.
Author: Kurt Benirschke Publisher: Springer Science & Business Media ISBN: 146129942X Category : Medical Languages : en Pages : 1616
Book Description
Laboratory Animal Medicine has made enor We deeply appreciate the efforts of each of the mous strides in the 47 years since R. Jaffe published authors and co-authors of the 23 chapters in this his "Anatomy and Pathology of Spontaneous Dis two volume work. In some instances the reader will eases of Small Laboratory Animals" in 1931. So note what appears to be repetition in certain chap ters. This repetition was allowed to stand in some much new information had accumulated that in a cases because different approaches seemed useful, new edition in 1958, Jaffe, aided by Cohrs and Meessen, needed the assistance of 46 colleagues to although efforts were made to delete most of the do the subject justice. Like its predecessor, this two redundancy which inevitably arises in a venture of volume comprehensive treatise on "Pathologie der this kind. We will be grateful if our colleagues point out errors and send us specific and general Laboratoriumstiere" was written in German and criticism of this work to allow corrections in the thus not readily available to the widening circle of event of reprinting or a next edition. veterinarians and pathologists who now are inter One objective has been to assemble current in ested in laboratory animals. Aside from the need to have a comprehensive formation in the pathologic aspects of diseases of review of laboratory animal pathology in English, laboratory animals.
Author: John A. Marcum Publisher: Univ of California Press ISBN: 0520315510 Category : Political Science Languages : en Pages : 266
Book Description
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1982.
Author: S. A. L. M. Kooijman Publisher: Cambridge University Press ISBN: 9780521786089 Category : Nature Languages : en Pages : 448
Book Description
The Dynamic Energy Budget theory unifies the commonalties between organisms, as prescribed by the implications of energetics, and links different levels of biological organisation (cells, organisms and populations). The theory presents simple mechanistic rules that describe the uptake and use of energy and nutrients and the consequences for physiological organization throughout an organism's life cycle. All living organisms are covered in a single quantitative framework, the predictions of which are tested against a variety of experimental results at a range of levels of organisation. The theory explains many general observations, such as the body size scaling relationships of certain physiological traits, and provides a theoretical underpinning to the method of indirect calorimetry. In each case, the theory is developed in elementary mathematical terms, but a more detailed discussion of the methodological aspects of mathematical modelling is also included.
Author: Michael J. Fields Publisher: CRC Press ISBN: 100015288X Category : Nature Languages : en Pages : 414
Book Description
Factors Affecting Calf Crop summarizes the latest information available from leading cattle physiologists and geneticists regarding factors known to influence the production of live calves at weaning. You get practical information on management techniques for improving reproduction efficiency in the herd. You'll also learn about the functioning of the reproductive system and how this may affect reproductive processes in the cow herd. Managers will benefit from a clearer understanding of the factors known to limit efficient reproduction, while veterinarians and other professionals who advise cattlemen will appreciate the substantial reference material and color photographs for defining cow condition scores. Color photographs are also used to illustrate the discussions of testicular thermographies and their applications. Other chapters in the book cover developments in improving reproductive performance of the replacement heifer, the brood cow, and the bull. Topics on reproduction include physiology/endocrinology, the use of growth promotants, genetics and physiological and economic considerations in selecting the age to breed heifers, heritability of fertility, length of the breeding season, prepartum and postpartum nutrition, nursing by the calf, cloning of embryos, and much more.
Author: Saul Dubow Publisher: Manchester University Press ISBN: 1526119781 Category : History Languages : en Pages : 252
Book Description
This collection, dealing with case studies drawn from South Africa, Zimbabwe, Mozambique and Mauritius, examines the relationship between scientific claims and practices, and the exercise of colonial power. It challenges conventional views that portray science as a detached mode of reasoning with the capacity to confer benefits in a more or less even-handed manner. That science has the potential to further the collective good is not fundamentally at issue, but science can also be seen as complicit in processes of colonial domination. Not only did science assist in bolstering aspects of colonial power and exploitation, it also possessed a significant ideological component: it offered a means of legitimating colonial authority by counter-poising Western rationality to native superstition and it served to enhance the self-image of colonial or settler elites in important respects. This innovative volume ranges broadly through topics such as statistics, medicine, eugenics, agriculture, entomology and botany.
Author: T. R. Preston
Author: T. R. Preston
Author: R. McGregor
Author: 
Author: J. D. Skinner
Author: Kurt Benirschke
Author: John A. Marcum
Author: South Africa. Department of Agriculture
Author: S. A. L. M. Kooijman
Author: Michael J. Fields
Author: Saul Dubow