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→Diagnosis
'''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.
Indirect Fluorescent AntibodyTests (IFAT) and [[ELISA testing | ELISAs]] are also available and are useful for identifying carrier animals.
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 | liver]] is often pale and friable and the [[Gall bladder | gall bladder]] distended with dark green bile. Ulcers are often evident in the [[Abomasum | abomasum]] of ruminants and are surrounded by haemorrhagic zones. Urine is dark brown due to the presence of [[Bilirubin | bilirubin]]
Indirect Fluorescent Antibody Tests (IFAT) and [[ELISA testing | ELISAs]] are also available and are useful for identifying carrier animals.
Sporozoites can also be detected within the '''salivary glands''' of ticks by staining with methyl-green pyronin and more recently with '''PCR'''.
Sporozoites can also be detected within the '''salivary glands''' of ticks by staining with methyl-green pyronin and more recently with '''PCR'''.