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| | *Clinical infections | | *Clinical infections |
| − | **Cattle and sheep
| + | |
| − | ***Cattle are maintenance hosts for ''L. borgpetersenii'' serovar ''hardjo''
| + | [[Leptospirosis - Cattle and Sheep]] |
| − | ***''L. interrogans'' serovar ''hardjo'' is host-adapted to cattle
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| − | ***Acute disease in susceptible heifers, with fever and agalactia of all quarters; abortion and stillbirth may occur
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| − | ***Diagnosed by rising antibody titre in paired serum samples
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| − | ***Infection in sheep may cause abortion and agalactia
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| − | ***Urinary excretion can be reduced by administering dihydrostreptomycin or amoxycillin
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| − | ***Incactivated vaccines are of questionable efficacy
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| − | ***Serovars ''pomona, grippotyphosa'' and ''icterohaemorrhagiae'' cause pyrexia, haemoglobinurea, jaundice, anorexia, uraemia due to renal damage and death in calves and lambs
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| | **Horses | | **Horses |