Difference between revisions of "Neosporosis - Cattle"
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(Created page with ' **Commonest cause of infectious abortion in dairy cattle **Congenitally infected calves can have encephalomyelitis and paresis **Abortion usually occurs between 5-7 months of ge…') |
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− | + | **Commonest cause of infectious abortion in dairy cattle | |
− | + | **Congenitally infected calves can have encephalomyelitis and paresis | |
+ | **Abortion usually occurs between 5-7 months of gestation but can occur as early as 3 months | ||
+ | **No other clinical signs in the cow | ||
+ | **Repeat abortions possible in same cow (persistently infected) | ||
+ | '''Prevention and Control''' | ||
+ | *Do not allow dogs access to calving cows, placental membranes and aborted or dead calves | ||
− | + | *Do not allow dogs to defecate in cattle feeding areas | |
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− | + | *Identify and cull seropositive cattle, or do not breed from them or their progeny | |
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− | + | *Select seronegative cattle for breeding | |
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− | + | *Vaccinate | |
− | + | **Only in the USA | |
− | + | **Neoguard or Intervet | |
− | + | **Killed protozoal vaccine for healthy, pregnant cows | |
− | + | **Dosed in first 3 weeks of pregnancy and then every 3-4 weeks during gestation | |
− | + | **Revaccination with 2 doses during each subsequent pregnancy[[Category:Tissue_Cyst_Foming_Coccidia]][[Category:Cattle]] | |
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− | Revaccination with 2 doses | ||
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Revision as of 22:46, 9 April 2010
- Commonest cause of infectious abortion in dairy cattle
- Congenitally infected calves can have encephalomyelitis and paresis
- Abortion usually occurs between 5-7 months of gestation but can occur as early as 3 months
- No other clinical signs in the cow
- Repeat abortions possible in same cow (persistently infected)
Prevention and Control
- Do not allow dogs access to calving cows, placental membranes and aborted or dead calves
- Do not allow dogs to defecate in cattle feeding areas
- Identify and cull seropositive cattle, or do not breed from them or their progeny
- Select seronegative cattle for breeding
- Vaccinate
- Only in the USA
- Neoguard or Intervet
- Killed protozoal vaccine for healthy, pregnant cows
- Dosed in first 3 weeks of pregnancy and then every 3-4 weeks during gestation
- Revaccination with 2 doses during each subsequent pregnancy