Difference between revisions of "Anaplasma marginale"
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| − | + | ===Bovine anaplasmosis=== | |
| + | |||
| + | *Disease of cattle in tropical and sub-tropical regions caused by ''Anaplasma marginale'' | ||
| + | *Carrier status in endemic regions with clinical disease occuring in times of stress | ||
| + | *High mortality rate in naive adult cattle | ||
| + | *Morulae localise inside red blood cells close to the cell membrane | ||
| + | *Transmitted via the ''Boophilus'' tick as well as flies and contaminated instruments | ||
| + | |||
| + | *Clinical signs | ||
| + | **Inculbation period 2-12 weeks | ||
| + | **Anorexia, fever, depression, reduced milk yield, weight loss | ||
| + | **Anaemia and icterus | ||
| + | **Sudden death from hypoxia can occur | ||
| + | |||
| + | *Diagnosis | ||
| + | **Clinical signs and haematology suggestive | ||
| + | **Organisms present in erythrocytes of Giemsa-stained blood smears | ||
| + | **Immunofluorescence of blood smears, PCR, serology | ||
| + | |||
| + | *Treatment and control | ||
| + | **Long-acting oxytetracycline or imidocarb early in the disease | ||
| + | **Supportive therapy | ||
| + | **Vaccination of animals being introduced into an endemic region | ||
| + | [[Category:Rickettsiales]][[Category:Cattle Parasites]] | ||
| + | [[Category:To_Do_-_Bacteria]] | ||
Revision as of 18:07, 10 January 2011
Bovine anaplasmosis
- Disease of cattle in tropical and sub-tropical regions caused by Anaplasma marginale
- Carrier status in endemic regions with clinical disease occuring in times of stress
- High mortality rate in naive adult cattle
- Morulae localise inside red blood cells close to the cell membrane
- Transmitted via the Boophilus tick as well as flies and contaminated instruments
- Clinical signs
- Inculbation period 2-12 weeks
- Anorexia, fever, depression, reduced milk yield, weight loss
- Anaemia and icterus
- Sudden death from hypoxia can occur
- Diagnosis
- Clinical signs and haematology suggestive
- Organisms present in erythrocytes of Giemsa-stained blood smears
- Immunofluorescence of blood smears, PCR, serology
- Treatment and control
- Long-acting oxytetracycline or imidocarb early in the disease
- Supportive therapy
- Vaccination of animals being introduced into an endemic region