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*Caused by strains of ''Mucor, Absidia, Rhizopus'' and ''Mortierella''
 
*Caused by strains of ''Mucor, Absidia, Rhizopus'' and ''Mortierella''
**Occurs widely in nature
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**''Mucor circinelloides''(rare), ''Rhizomucor pusillus'' and ''R. meihi''
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**''Absidia corymbifera'' often causes zygomycosis in cattle and pigs
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**''Rhizopus arrhizus, R. microsporus'' and ''R. rhizopodormis''
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**''Mortierella wolfi'' implicated in bovine abortion (mycotic placentitis), ''M. hygrophila'' in fowl and ''M.polycephala'' in cattle
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*Occurs widely in nature
    
*Infection is by inhalation and ingestion
 
*Infection is by inhalation and ingestion
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*Infects lymph nodes of the respiratory and alimentary tract
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*Infects [[Lymph Nodes - Anatomy & Physiology|lymph nodes]] of the [[Cardiorespiratory System - Anatomy & Physiology|respiratory]] and [[Alimentary - Anatomy & Physiology|alimentary tract]]
**Lymph nodes enlarge and become caseous
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**[[Lymph Nodes - Anatomy & Physiology|Lymph nodes]] enlarge and become caseous
**Can cause stomach and intestinal ulcers
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**Can cause [[Alimentary - Anatomy & Physiology#Stomach|stomach]] and [[Small Intestine - Anatomy & Physiology|intestinal]] ulcers
    
*Granulomatous lesions which can ulcerate
 
*Granulomatous lesions which can ulcerate
    
*Mostly localised lesions but can be generalised
 
*Mostly localised lesions but can be generalised
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*Pigs
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**Mediatinal and submandibular [[Lymph Nodes - Anatomy & Physiology|lymph nodes]] lesions
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**Embolic tumours in the [[Liver - Anatomy & Physiology|liver]] and [[Lungs - Anatomy & Physiology|lungs]]
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**Can also be present in gastric ulcers
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*Cattle
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**Bronchial, mesenteric and mediastinal [[Lymph Nodes - Anatomy & Physiology|lymph nodes]] lesions
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**Ulcers of the [[Nasal cavity - Anatomy & Physiology|nasal cavity]] and [[The Abomasum - Anatomy & Physiology|abomasum]] also occur
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**Often contaminate the [[Gestation -Placenta - Anatomy & Physiology|placenta]]
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*Horses, dogs, cats, sheep, mink, guinea-pigs and mice can also be infected
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*Microscopically:
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**Fragments of non-septate hyphae which are branched and coarse
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**''Rhizomucor'' produce a thick, grey mycelium and have short, black, spherical sporangia
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**''Mucor'' produce thick, colourless mycelium with no rhizoids. Globose spoangia with small spores are present and sporagiospores are simple or branched.
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**''Absidia'' resemble ''Rhizopus'' grossly
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**''Mortierella'' produce white, velvet colonies on Sabouraud's Dextrose and Blood agar
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*Grows on Sabauraud's Dextrose agar
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*Treatment is with [[Antifungal Drugs#Polyene Antifungals|Amphotericin B]]
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**Surgery is also an option in treatment
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**Common contaminants
    
==Further Links==
 
==Further Links==
    
*[[Antifungal Drugs]]
 
*[[Antifungal Drugs]]
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