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− | ===Tick-borne fever===
| + | #REDIRECT[[Tick-Borne Fever]] |
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− | *Caused by ''E. phagocytophila'' which has now been renamed as ''Anaplasma phagocytophilum''
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− | *Affects ruminants in Europe
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− | *The tick ''Ixodes ricinis'' is the main vector
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− | *Animals remain carriers for up to 2 years, but are immune to reinfection
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− | *Clinical signs
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− | **Incubation period of 2 weeks; recovery in 2 weeks
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− | **Fever, anorexia, reduced growth rates in young animals
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− | **Reduced milk production, abortion, still birth
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− | **Leukopenia and thrombocytopenia
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− | **Causes immunosuppression in young lambs causing susceptibility to tick pyaemia and louping ill
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− | *Diagnosis
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− | **Intracytoplasmic morulae in [[Neutrophils|neutrophils]] of Giemsa-stained blood smears during acute phase
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− | **Seroconversion detected by immunofluorescence
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− | *Treatment and control
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− | **Oxtetracycline
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− | **Tick control
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− | **Prophylactic tetracyclines for lambs during first few weeks of life
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− | [[Category:Rickettsiales]][[Category:Cattle]][[Category:Sheep]][[Category:Goat]]
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− | [[Category:To_Do_-_Bacteria]]
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