Fungal Diseases 4 H Veterinary Science Extension Veterinary

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

Objectives n Describe dermatophytosis n Describe dermatophilosis n Describe mycoses n List the systemic mycotic diseases

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

n Infectious disease n 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

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

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

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

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

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

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

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

n Diseases n n n Aspergillosis Candidosis Coccidioidomycosis Histoplasmisis Blastomycosis Sporotrichosis