LIBROS DEL AUTOR: gary a wobeser

3 resultados para LIBROS DEL AUTOR: gary a wobeser

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  • Diseases of Wild Waterfowl
    Gary A. Wobeser
    Management of wild waterfowl has become increasingly intensive. Many birds now hatch in managed nesting cover or in artificial nesting structures, use man-made wetlands, and winter on crowded refuges while consuming a grain diet The water they use is often limited in supply and may contain residues from its many prior users. Unfortunately, intensified...
    Disponible

    66,06 €

  • Diseases of Wild Waterfowl
    Gary A. Wobeser
    Management of wild waterfowl has become increasingly intensive. Many birds now hatch in managed nesting cover or in artificial nesting structures, use man-made wetlands, and winter on crowded refuges while consuming a grain diet The water they use is often limited in supply and may contain residues from its many prior users. Unfortunately, intensified management often results i...
    Disponible

    47,83 €

  • Disease in Wild Animals
    Gary A. Wobeser
    SECTION I: INTRODUCTION 1. Disease and epizootiology - basic principles 2. Special problems in working with free-living animals SECTION II: DISEASE INVESTIGATION 3. Identifying and defining a disease 4. Collecting population data 5 Defining environmental variables 6. Formulating and testing hypotheses 7. Samples, sampling and sample collection 8. Investigation of disease outbre...
    Disponible

    367,01 €