Africas Bane The Tsetse Fly
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Author | : Clive Spinage |
Publisher | : Springer Science & Business Media |
Total Pages | : 1582 |
Release | : 2012-05-07 |
Genre | : Science |
ISBN | : 3642228712 |
In view of the rapidly changing ecology of Africa ,this work provides benchmarks for some of the major, and more neglected, aspects, with an accent on historical data to enable habitats to be seen in relation to their previous state, forming a background reference work to understanding how the ecology of Africa has been shaped by its past. Reviewing historical data wherever possible it adopts an holistic view treating man as well as animals, with accent on diseases both human and animal which have been a potent force in shaping Africa’s ecology, a role neglected in ecological studies.
Author | : R.P. Lane |
Publisher | : Springer Science & Business Media |
Total Pages | : 733 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401115540 |
Surprising though it seems, the world faces almost as great a threat today from arthropod-borne diseases as it did in the heady days of the 1950s when global eradication of such diseases by eliminating their vectors with synthetic insecticides, particularly DDT, seemed a real possibility. Malaria, for example, still causes tremendous morbidity and mortality throughout the world, especially in Africa. Knowledge of the biology of insect and arachnid disease vectors is arguably more important now than it has ever been. Biological research directed at the development of better methods of control becomes even more important in the light of the partial failure of many control schemes that are based on insecticide- although not all is gloom, since basic biological studies have contributed enormously to the outstanding success of international control programmes such as the vast Onchocerciasis Control Programme in West Africa. It is a sine qua non for proper understanding of the epidemiology and successful vector control of any human disease transmitted by an arthropod that all concerned with the problem - medical entomologist, parasitologist, field technician - have a good basic understanding of the arthropod's biology. Knowledge will be needed not only of its direct relationship to any parasite or pathogen that it transmits but also of its structure, its life history and its behaviour - in short, its natural history. Above all, it will be necessary to be sure that it is correctly identified.
Author | : Hans E. Jahnke |
Publisher | : |
Total Pages | : 188 |
Release | : 1976 |
Genre | : African trypanosomiasis |
ISBN | : |
Author | : Stephen G. A. Leak |
Publisher | : ILRI (aka ILCA and ILRAD) |
Total Pages | : 598 |
Release | : 1999-01-01 |
Genre | : Medical |
ISBN | : 9780851993003 |
Domestic livestock in Africa are of importance not only as a source of milk and meat but also as a source of animal traction enabling farmers to cultivate larger areas, with crops providing the staple foods. Trypanosomosis, a parasitic disease transmitted cyclically by the tsetse fly (Glossina spp.), is arguably still the main constraint to livestock production on the continent, preventing full use of the land to feed the rapidly increasing human population. Sleeping sickness, the disease caused in humans by species of Trypanosoma, is an important and neglected disease posing a threat to millions of people in tsetse-infested areas. Often wrongly thought of as a disease of the past, the prevalence of human sleeping sickness is increasing in many areas. Although alternative methods to control the disease are being investigated, such as immunological approaches, use of chemotherapy or exploitation of the trypanotolerance trait, it is only control or eradication of the tsetse fly vector which will remove the threat of the disease rather than providing a better means of "living" with it. As a result of the economic impact of tsetse-transmitted Trypanosomosis, a large amount of research literature has been produced. This book provides a comprehensive review of this literature. The text is divided into four parts: tsetse biology and ecology, epidemiology, vector control and control of trypanosomosis. The book is invaluable for medical and veterinary entomologists, parasitologists and epidemiologists.
Author | : R. Cavalloro |
Publisher | : CRC Press |
Total Pages | : 218 |
Release | : 2020-08-26 |
Genre | : History |
ISBN | : 1000162567 |
This book discusses methods which might appropriately be employed under various circumstances. It is concerned with control of insect pests and tse-tse flies, and considers prospects for integrated control of the African trypanosomiases, in which vector control is envisaged as playing a key role.
Author | : Rajeev K. Upadhyay |
Publisher | : Springer Science & Business Media |
Total Pages | : 331 |
Release | : 2013-04-17 |
Genre | : Science |
ISBN | : 1475744374 |
The insect!1 remain in symbiotic associations with a tremendous number of microorganisms, and some of them could be classified as parasitic/pathogenic. Without question, insect pathogens act as natural mortality agents and represent the third leg of the triad of biological control which is an environmentally sound alternative to chemical control. The virulence and pathogenicity of an insect parasite i. e. disease agent are determined by the microbial genome as a result of the coordinated expression of a concert of genes. These genes may be organized as cassettes and be associated with transmissible DNA. The acquisition of these domains or pathogenicity islands, may be sufficient to develop a transgenic virulent pathogen. The insect pathogens are very specific and this property can be exploited in making insects sick. However, rarely have field applications of highly virulent strains of viruses, fungi, bacteria, protozoa resulted in massive insect population reductions or induced widespread, persistent epizootics as the same is also governed by host susceptibility regulated by genetics, age, sex and physiological state of the host. Insect pathogens causing acute or chronic diseases must be able to persist in the environment, to multiply in the host, and to spread to other susceptible hosts. In this book, I have attempted to bring together all recent studies regarding both fundamental and more applied research aspects related to entomopathogens, bacteria, viruses, fungi and nematodes in order to facilitate their development and commercial exploitation.
Author | : Hans E. Jahnke |
Publisher | : |
Total Pages | : 402 |
Release | : 1974 |
Genre | : Cattle |
ISBN | : |
Author | : Jack R. Harlan |
Publisher | : Walter de Gruyter |
Total Pages | : 521 |
Release | : 2011-06-24 |
Genre | : Social Science |
ISBN | : 3110806371 |
Author | : Irwin W. Sherman |
Publisher | : John Wiley & Sons |
Total Pages | : 505 |
Release | : 2020-07-02 |
Genre | : Science |
ISBN | : 1683670019 |
The Power of Plagues presents a rogues' gallery of epidemic- causing microorganisms placed in the context of world history. Author Irwin W. Sherman introduces the microbes that caused these epidemics and the people who sought (and still seek) to understand how diseases and epidemics are managed. What makes this book especially fascinating are the many threads that Sherman weaves together as he explains how plagues past and present have shaped the outcome of wars and altered the course of medicine, religion, education, feudalism, and science. Cholera gave birth to the field of epidemiology. The bubonic plague epidemic that began in 1346 led to the formation of universities in cities far from the major centers of learning (and hot spots of the Black Death) at that time. And the Anopheles mosquito and malaria aided General George Washington during the American Revolution. Sadly, when microbes have inflicted death and suffering, people have sometimes responded by invoking discrimination, scapegoating, and quarantine, often unfairly, against races or classes of people presumed to be the cause of the epidemic. Pathogens are not the only stars of this book. Many scientists and physicians who toiled to understand, treat, and prevent these plagues are also featured. Sherman tells engaging tales of the development of vaccines, anesthesia, antiseptics, and antibiotics. This arsenal has dramatically reduced the suffering and death caused by infectious diseases, but these plague protectors are imperfect, due to their side effects or attenuation and because microbes almost invariably develop resistance to antimicrobial drugs. The Power of Plagues provides a sobering reminder that plagues are not a thing of the past. Along with the persistence of tuberculosis, malaria, river blindness, and AIDS, emerging and remerging epidemics continue to confound global and national public health efforts. West Nile virus, Lyme disease, and Ebola and Zika viruses are just some of the newest rogues to plague humans. The argument that civilization has been shaped to a significant degree by the power of plagues is compelling, and The Power of Plagues makes the case in an engaging and informative way that will be satisfying to scientists and non-scientists alike.
Author | : John G Galaty |
Publisher | : Routledge |
Total Pages | : 311 |
Release | : 2019-03-04 |
Genre | : Political Science |
ISBN | : 0429714602 |
African pastoralists have been devastated by drought, famine and dislocation, yet herding remains the most viable system of support for the inhabitants of the vast arid and semi-arid zones. Using case studies of the Tswana and the San, the interlacustrine pastoralists, the Masai and Mursi of East Africa, and the multi-ethnic regional systems of Lak