Fungal Diseases

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Fungal Diseases

• 4-H Veterinary Science
• Extension Veterinary Medicine
• Texas AgriLife Extension Service
• College of Veterinary Medicine and Biomedical
  Sciences
• Texas AM System
• http//aevm.tamu.edu

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Objectives

• Describe dermatophytosis
• Describe dermatophilosis
• Describe mycoses
• List the systemic mycotic diseases

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

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• 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

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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

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Skin

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

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• 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

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• 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

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

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

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General

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

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