Changes

447 bytes removed , 23:01, 5 March 2011

no edit summary

Line 40: Line 40:

**In cattle, vertical transmission occurs

***Post-natal infection occurs but is less common

+

*''Neospora caninum'' in [[Parasitic Myositis#Protozoa|myositis]]

+

'''Pathogenesis'''

+

<big>

'''[[Neosporosis - Dog|Dog Neosporosis]]

+

'''[[Neosporosis - Cattle|Cattle Neosporosis]]

+

'''[[Neosporosis - Horse|Horse Neosporosis]]

+

</big>

−

*~~Cattle~~

+

*''N. caninum''

−

**~~Commonest cause~~ of ~~infectious abortion in dairy cattle~~

+

**Necrotising inflammation of muscles

−

**~~Congenitally infected calves can have encephalomyelitis and paresis~~

+

**Myositis more severe than in toxoplasmosis

−

**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~~

+

''N. caninum'' - A disease of cattle with late abortion of mummified or autolysed foetus. May also get foetal malformation, e.g. arthrogryposis.

−

*Identify and cull seropositive cattle, or do not breed from them or their progeny

+

==Test yourself with the Tissue Cyst Forming Coccidian Flashcards==

−

*Select seronegative cattle for breeding

+

[[Tissue_Cyst_Forming_Coccidian_Flashcards|Tissue Cyst Forming Coccidian Flashcards]]

−

*Vaccinate

+

[[Category:Tissue Cyst Forming Coccidia]]

−

**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]]

−

*Horses

−

**Myeloencephalitis

−

**Transplacental infection occurs

−

**Disease only diagnosed in USA

−

*''Neospora caninum'' in [[~~Muscles Inflammatory~~ - ~~Pathology#Protozoa|myositis~~]]

+

[[Category:To_Do_-_Parasites]]

Bara

Author, Donkey, Bureaucrats, Administrators

53,803

edits

Changes

Neospora (view source)

Revision as of 23:01, 5 March 2011