Difference between revisions of "Neosporosis - Cattle"

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[[Category:Cattle]]
 
[[Category:Cattle]]
 
[[Category:Tissue_Cyst_Forming_Coccidia]]
 
[[Category:Tissue_Cyst_Forming_Coccidia]]
[[Category:To_Do_-_Clinical]]
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[[Category:To_Do_-_Caz]]

Revision as of 10:25, 16 August 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