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Fungal Diseases

Fungal Diseases. 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife Extension Service College of Veterinary Medicine and Biomedical Sciences Texas A&M System http://aevm.tamu.edu. Objectives . Describe dermatophytosis Describe dermatophilosis Describe mycoses

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Fungal Diseases

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  1. Fungal Diseases 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife Extension Service College of Veterinary Medicine and Biomedical Sciences Texas A&M System http://aevm.tamu.edu

  2. Objectives • Describe dermatophytosis • Describe dermatophilosis • Describe mycoses • List the systemic mycotic diseases

  3. Remember • Five infectious diseases • Bacterial • Viral • Fungal • Parasitic • Rickettsial

  4. Infectious disease • An illness due to a specific infectious agent or its toxic products that arises through transmission of that agent or its products from an infected person, animal or reservoir to a susceptible host, either directly or indirectly

  5. Overview • Fungi • Microorganisms that can infect various tissues of animals • Called • Mycoses • Mycotic infections • Fungal infections • Single organism – fungus • Multiple organisms – fungi • Affect • Superficial skin • Various body systems

  6. Skin • Dermatophytosis • Aka ringworm • Infects skin of • Dogs • Cats • Horses • Cattle pigs • Humans • Sheep • Goats

  7. Transmission • Direct contact • Fomites: (any inanimate object or substance capable of carrying infectious organisms) • Soil • Bedding • Carpet • Furniture • Tack • Blankets • Brushes • Clippers • Infected animals • Humans

  8. Young are most susceptible • Symptoms • Characteristic lesions • Hair loss • Scaly around loss • Circumscribed edges • Raised and reddened • Pruritus • Diagnosis • Skin scrapings • Culture • Treatment • Spontaneous recovery • Prevent spread

  9. Dermatophilosis • Aka Rain Gall • Cutaneous (skin) • Infects • Horses • Cattle • Sheep • Goats • Transmission • Vectors • Biting flies

  10. Exudative dermatitis • Symptoms • Scabs • Raised, crusty lumps covered with hair • “Paintbrush lesion” • Develop • Lower legs • Chest • Back • Hips • Diagnosis • Cultures • Biopsies • Skin scrapings

  11. General • Systemic mycoses • Infect body systems • Cutaneous • Respiratory • Digestive • Diagnosis • Radiographs • Culture • Serology • Skin immunologic tests

  12. Diseases • Aspergillosis • Candidosis • Coccidioidomycosis • Histoplasmisis • Blastomycosis • Sporotrichosis

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