wildlife_zoological_medicine

wildlife_zoological_medicine - 1 I. WILDLIFE (ZOOLOGICAL)...

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1 WILDLIFE (ZOOLOGICAL) MEDICINE I. FREE-RANGING WILDLIFE A. Approximately 75 full-time wildlife veterinarians 1. State Fish and Game Agencies - MiDNR has 2 2. a. National Wildlife Health Center - Madison, Wisconsin 3. Universities 4. Organizations - AAWV, WDA B. Job Description: Population management - rather than treat individual 1. Training: Degree used to be game management, now wildlife management 2. Manage renewable resource - conservation a. Healthy b. Stable 3. Keep population within biological carrying capacity a. Based on food and cover b. Too many animals - run out of food c. Density dependent disease if higher numbers (1) Stress decreases resistance (2) Contact with other animals facilitates transmission (3) “Die off” 4. Monitor Disease or Pathology a. Infection can be present without disease (1) Individual may have the organism-bacteria (2) TB as an example - walled off - kept in control (3) Healthy immune system (4) Can break down with old age, stress, malnutrition 1
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(5) Disease - okay if one or a few - population still healthy b. If whole population stressed - loss of balance (1) Crowded - too many animals or habitat loss (2) Inadequate or improper food (3) Drastic weather or climate changes c. Density dependent disease - “Mother Nature” trying for balance (1) Bacteria (2) Virus (3) Parasites 5. Wildlife Management Team - Biologists, Veterinarians a. Prevent problems, try to keep balance between habitat and numbers b. Population control - before density dependent diseases (1) Hunting, trapping if game species - zones and quotas to regulate “harvest” (2) Translocation of surplus - expensive, can spread disease (3) Protection (4) Regulation of season, bag limit c. Habitat manipulation (1) Timber harvest (2) Controlled burns - intentional or not (3) Plantings (4) Fertilizer - selenium (5) Pesticides - gypsy moths d. Treat problems: try to regain balance e. Social Carrying Capacity - may be more or less than Biological Carrying Capacity - politics 6. Veterinary Medicine - Not common a. Preventive medicine - best - healthy stable population 2
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b. Sometimes can use traditional medicine (1)
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This note was uploaded on 11/15/2011 for the course VM 101 taught by Professor Dr.ames during the Spring '09 term at Michigan State University.

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wildlife_zoological_medicine - 1 I. WILDLIFE (ZOOLOGICAL)...

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