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| | **In cattle, vertical transmission occurs | | **In cattle, vertical transmission occurs |
| | ***Post-natal infection occurs but is less common | | ***Post-natal infection occurs but is less common |
| | + | |
| | + | *''Neospora caninum'' in [[Parasitic Myositis#Protozoa|myositis]] |
| | + | |
| | | | |
| | '''Pathogenesis''' | | '''Pathogenesis''' |
| − | *Dogs
| |
| − | **Occurs mainly in puppies
| |
| − | **Causes ascending paralysis, especially of hind limbs, with muscle wasting
| |
| − | **Causes sudden collapse due to myocarditis
| |
| − | **More than 1 puppy in a litter may be affected, although this may not occur simultaneously
| |
| − | **Successive litters affected
| |
| | | | |
| − | *Cattle
| + | <big> |
| − | **Commonest cause of infectious abortion in dairy cattle
| + | '''[[Neosporosis - Dog|Dog Neosporosis]] |
| − | **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
| + | '''[[Neosporosis - Cattle|Cattle Neosporosis]] |
| − | **No other clinical signs in the cow
| + | |
| − | **Repeat abortions possible in same cow (persistently infected)
| + | '''[[Neosporosis - Horse|Horse Neosporosis]] |
| | + | </big> |
| | | | |
| − | *Horses
| |
| − | **Myeloencephalitis
| |
| − | **Transplacental infection occurs
| |
| − | **Disease only diagnosed in USA
| |
| | | | |
| − | *''Neospora caninum'' in [[Muscles Inflammatory - Pathology#Protozoa|myositis]] | + | *''N. caninum'' |
| | + | **Necrotising inflammation of muscles |
| | + | **Myositis more severe than in toxoplasmosis |
| | | | |
| − | '''Prevention and Control''' | + | ''N. caninum'' - A disease of cattle with late abortion of mummified or autolysed foetus. May also get foetal malformation, e.g. arthrogryposis. |
| − | *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
| + | ==Test yourself with the Tissue Cyst Forming Coccidian Flashcards== |
| | | | |
| − | *Identify and cull seropositive cattle, or do not breed from them or their progeny
| + | [[Tissue_Cyst_Forming_Coccidian_Flashcards|Tissue Cyst Forming Coccidian Flashcards]] |
| | | | |
| − | *Select seronegative cattle for breeding
| + | [[Category:Tissue Cyst Forming Coccidia]] |
| | | | |
| − | *Vaccinate
| + | [[Category:To_Do_-_Parasites]] |
| − | **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]]
| |