Difference between revisions of "Leptospirosis - Cattle and Sheep"
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==Description== | ==Description== | ||
| − | Leptospirosis is | + | Leptospirosis is an economically significant zoonotic disease caused by the bacteria [[Leptospira|''leptospira interrogans'']]. ''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 | ***Acute disease in susceptible heifers, with fever and agalactia of all quarters; abortion and stillbirth may occur | ||
Revision as of 11:43, 7 September 2010
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This article is still under construction. |
Description
Leptospirosis is an economically significant zoonotic disease caused by the bacteria leptospira interrogans. 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