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