4 h fungal diseases

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4 h fungal diseases

  1. 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. 2. Objectives <ul><li>Describe dermatophytosis </li></ul><ul><li>Describe dermatophilosis </li></ul><ul><li>Describe mycoses </li></ul><ul><li>List the systemic mycotic diseases </li></ul>
  3. 3. <ul><li>Remember </li></ul><ul><ul><li>Five infectious diseases </li></ul></ul><ul><ul><ul><li>Bacterial </li></ul></ul></ul><ul><ul><ul><li>Viral </li></ul></ul></ul><ul><ul><ul><li>Fungal </li></ul></ul></ul><ul><ul><ul><li>Parasitic </li></ul></ul></ul><ul><ul><ul><li>Rickettsial </li></ul></ul></ul>
  4. 4. <ul><ul><li>Infectious disease </li></ul></ul><ul><ul><ul><li>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 </li></ul></ul></ul>
  5. 5. Overview <ul><li>Fungi </li></ul><ul><ul><li>Microorganisms that can infect various tissues of animals </li></ul></ul><ul><ul><li>Called </li></ul></ul><ul><ul><ul><li>Mycoses </li></ul></ul></ul><ul><ul><ul><li>Mycotic infections </li></ul></ul></ul><ul><ul><ul><li>Fungal infections </li></ul></ul></ul><ul><ul><li>Single organism – fungus </li></ul></ul><ul><ul><li>Multiple organisms – fungi </li></ul></ul><ul><ul><li>Affect </li></ul></ul><ul><ul><ul><li>Superficial skin </li></ul></ul></ul><ul><ul><ul><li>Various body systems </li></ul></ul></ul>
  6. 6. Skin <ul><li>Dermatophytosis </li></ul><ul><ul><li>Aka ringworm </li></ul></ul><ul><ul><li>Infects skin of </li></ul></ul><ul><ul><ul><li>Dogs </li></ul></ul></ul><ul><ul><ul><li>Cats </li></ul></ul></ul><ul><ul><ul><li>Horses </li></ul></ul></ul><ul><ul><ul><li>Cattle pigs </li></ul></ul></ul><ul><ul><ul><li>Humans </li></ul></ul></ul><ul><ul><ul><li>Sheep </li></ul></ul></ul><ul><ul><ul><li>Goats </li></ul></ul></ul>
  7. 7. <ul><ul><li>Transmission </li></ul></ul><ul><ul><ul><li>Direct contact </li></ul></ul></ul><ul><ul><ul><ul><li>Fomites: ( any inanimate object or substance capable of carrying infectious organisms) </li></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Soil </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Bedding </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Carpet </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Furniture </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Tack </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Blankets </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Brushes </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><ul><li>Clippers </li></ul></ul></ul></ul></ul><ul><ul><ul><ul><li>Infected animals </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Humans </li></ul></ul></ul></ul>
  8. 8. <ul><ul><li>Young are most susceptible </li></ul></ul><ul><ul><li>Symptoms </li></ul></ul><ul><ul><ul><li>Characteristic lesions </li></ul></ul></ul><ul><ul><ul><ul><li>Hair loss </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Scaly around loss </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Circumscribed edges </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Raised and reddened </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Pruritus </li></ul></ul></ul></ul><ul><ul><li>Diagnosis </li></ul></ul><ul><ul><ul><li>Skin scrapings </li></ul></ul></ul><ul><ul><ul><li>Culture </li></ul></ul></ul><ul><ul><li>Treatment </li></ul></ul><ul><ul><ul><li>Spontaneous recovery </li></ul></ul></ul><ul><ul><ul><li>Prevent spread </li></ul></ul></ul>
  9. 9. <ul><li>Dermatophilosis </li></ul><ul><ul><li>Aka Rain Gall </li></ul></ul><ul><ul><li>Cutaneous (skin) </li></ul></ul><ul><ul><li>Infects </li></ul></ul><ul><ul><ul><li>Horses </li></ul></ul></ul><ul><ul><ul><li>Cattle </li></ul></ul></ul><ul><ul><ul><li>Sheep </li></ul></ul></ul><ul><ul><ul><li>Goats </li></ul></ul></ul><ul><ul><li>Transmission </li></ul></ul><ul><ul><ul><li>Vectors </li></ul></ul></ul><ul><ul><ul><ul><li>Biting flies </li></ul></ul></ul></ul>
  10. 10. <ul><ul><li>Exudative dermatitis </li></ul></ul><ul><ul><li>Symptoms </li></ul></ul><ul><ul><ul><li>Scabs </li></ul></ul></ul><ul><ul><ul><li>Raised, crusty lumps covered with hair </li></ul></ul></ul><ul><ul><ul><ul><li>“ Paintbrush lesion” </li></ul></ul></ul></ul><ul><ul><li>Develop </li></ul></ul><ul><ul><ul><li>Lower legs </li></ul></ul></ul><ul><ul><ul><li>Chest </li></ul></ul></ul><ul><ul><ul><li>Back </li></ul></ul></ul><ul><ul><ul><li>Hips </li></ul></ul></ul><ul><ul><li>Diagnosis </li></ul></ul><ul><ul><ul><li>Cultures </li></ul></ul></ul><ul><ul><ul><li>Biopsies </li></ul></ul></ul><ul><ul><ul><li>Skin scrapings </li></ul></ul></ul>
  11. 11. General <ul><li>Systemic mycoses </li></ul><ul><ul><li>Infect body systems </li></ul></ul><ul><ul><ul><li>Cutaneous </li></ul></ul></ul><ul><ul><ul><li>Respiratory </li></ul></ul></ul><ul><ul><ul><li>Digestive </li></ul></ul></ul><ul><ul><li>Diagnosis </li></ul></ul><ul><ul><ul><li>Radiographs </li></ul></ul></ul><ul><ul><ul><li>Culture </li></ul></ul></ul><ul><ul><ul><li>Serology </li></ul></ul></ul><ul><ul><ul><li>Skin immunologic tests </li></ul></ul></ul>
  12. 12. <ul><ul><li>Diseases </li></ul></ul><ul><ul><ul><li>Aspergillosis </li></ul></ul></ul><ul><ul><ul><li>Candidosis </li></ul></ul></ul><ul><ul><ul><li>Coccidioidomycosis </li></ul></ul></ul><ul><ul><ul><li>Histoplasmisis </li></ul></ul></ul><ul><ul><ul><li>Blastomycosis </li></ul></ul></ul><ul><ul><ul><li>Sporotrichosis </li></ul></ul></ul>

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