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Epidemiological studies on gastro-intestinal nematode infections in chickens
The study results indicated a high prevalence (>99%) of nematode infections with the most prevalent species beingthe caecal worm Heterakis gallinarum (98.5%), followed by the roundworm Ascaridiagalli(96.2%) and the hairworms Capillaria spp. (86.1%). Capillaria spp. were composed of C. obsignata, C. caudinflataand C. bursata. It can be concluded that chickens kept in free-range systems are exposed to a higher risk of nematode infections, even if the animals are kept in a rotational system and/or in small herd sizes. However, no obvious link between high mortality rates and nematode infections could be determined. The high genetic correlation between counts of closely related worm species (e.g...
Nematode Parasites of Vertebrates
This well illustrated book provides an historical and unified overview of a century and a half of research on the development, life cycles, transmission and evolution of the nematodes found in vertebrates throughout the world. This second, expanded edition includes relevant data from some 450 new references that have appeared from 1989 to 1999. The volume includes nematode parasites of humans, domestic animals and wildlife including fish. After an introductory chapter outlining general principles, the author systematically describes the biological characteristics of the 27 superfamilies of nematodes, followed by families, subfamilies, genera and species.
SADC Planning Workshop on Newcastle Disease Control in Village Chickens
In developing countries in Africa, Asia and Central and South America, the keeping of village poultry is a constant backdrop to village life. This pubIication is a record of the papers presented at the workshop in Maputo, Mozambique 6-9 March, 2000 on Newcastle disease in village chickens.
Modern Parasitology
This is a thorough revision and update of the highly successful first edition, which which achieved sales in excess of 4,500. The text serves as a comprehensive introduction to parasitology for both undergraduate and beginning graduate students. In this edition, particular emphasis is placed on parasites of human and veterinary importance. The first three chapters in the text are concerned with how parasites 'work,' their biochemistry, molecular and cell biology and physiology. The remaining chapters cover ecology and epidemiology, immunology and chemotherapy, with the final chapter covering integrated control. This new edition contains new material on cell and molecular biology, vectors and control, which is in contrast to the general biological approach of the first edition. The second edition will succeed the first as the major text on parasitology for students in biology, zoology, microbiology, medicine, veterinary medicine, tropical medicine and public health.
IgY-Technology: Production and Application of Egg Yolk Antibodies
This first edited Volume on IgY-Technology, addresses the historical and dynamic development of IgY-applications. The authors cover the biological basis and theoretical context, methodological guidance, and applications of IgY-Technology. A focus is laid on the use of IgY-antibodies for prophylactic/therapeutic purposes in human and veterinary medicine. Aside from applications, the chapters also offer an evolutionary understanding of the IgY molecule, IgY receptors and practical prerequisites to produce IgY-antibodies. Guidance is given for every step of the process. Starting with an introduction to hens as a model species and including hen husbandry, hen egg-laying capacity and total IgY ou...
