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'''Schizonts''' should be looked for in thin smears from '''lymph node''' or '''liver''' biopsies.
 
'''Schizonts''' should be looked for in thin smears from '''lymph node''' or '''liver''' biopsies.
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On '''post-mortem examination''', blood is watery and carcasses are [[Icterus| icteric]] and gelatinised. Numerous petechiae may be present within the mucous membranes and heart. The [[Liver - Anatomy & Physiology | liver]] is often pale and friable and the [[Gall Bladder - Anatomy & Physiology | gall bladder]] distended with dark green bile. Ulcers are often evident in the [[Abomasum - Anatomy & Physiology | abomasum]] of ruminants and are surrounded by haemorrhagic zones. Urine is dark brown due to the presence of [[Bilirubin | bilirubin]]
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On '''post-mortem examination''', blood is watery and carcasses are [[Icterus| icteric]] and gelatinised. Numerous petechiae may be present within the mucous membranes, gut mucosae and heart. The [[Liver - Anatomy & Physiology | liver]] is often pale and friable and the [[Gall Bladder - Anatomy & Physiology | gall bladder]] distended with dark green bile. Ulcers are often evident in the [[Abomasum - Anatomy & Physiology | abomasum]] of ruminants and are surrounded by haemorrhagic zones. Urine is dark brown due to the presence of [[Bilirubin | bilirubin]] Pulmonary oedema may be present.
    
Indirect Fluorescent Antibody Tests (IFAT) and [[ELISA testing | ELISAs]] are also available and are useful for identifying carrier animals.
 
Indirect Fluorescent Antibody Tests (IFAT) and [[ELISA testing | ELISAs]] are also available and are useful for identifying carrier animals.
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