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'''Neosporosis''' is the disease caused by the intracellular protozoa [[Neospora|''Neospora caninum'']]. The dog is the definitive host, cattle are the intermediate host and other mamalian species may act as incidental hosts. In the past ''N.caninum'' has been confused with ''T.gondii'' because they are similar morphologically, but advancements in detection methods has made the two distinguishable.  

'''Neosporosis''' is the disease caused by the intracellular protozoa [[Neospora|''Neospora caninum'']]. The dog is the definitive host, cattle are the intermediate host and other mamalian species may act as incidental hosts. In the past ''N.caninum'' has been confused with ''T.gondii'' because they are similar morphologically, but advancements in detection methods has made the two distinguishable.  

The sexual phase of replication takes place in the gastrointestinal tract of dogs, oocysts are passed in the faeces  

The sexual phase of replication takes place in the gastrointestinal tract of dogs, oocysts are passed in the faeces which then develop into sporozoites and are infective.     

   

   

Transplacental infection results in congenital infection of puppies which is the most typical presentation of the disease. More than one puppy in a litter may be affected, although this may not occur simultaneously. Successive litters can be affected, therefore a dam whelping an infected litter should not be allowed to breed again.  

Transplacental infection results in congenital infection of puppies which is the most typical presentation of the disease. More than one puppy in a litter may be affected, although this may not occur simultaneously. Successive litters can be affected, therefore a dam whelping an infected litter should not be allowed to breed again.  

Other methods of infection include ingestion of sporulated oocysts from dog faecal matter and ingestion of tissue cysts in the tissues of intermediate or incidental hosts, for example bovine placenta.  

Other methods of infection include ingestion of sporulated oocysts from dog faecal matter and ingestion of tissue cysts in the tissues of intermediate or incidental hosts, for example bovine placenta.  

==Signalment==

==Signalment==

Puppies are most frequently affected. Hunting dogs are also over represented.  

Neosporosis has been reported worldwide; puppies are most frequently affected and hunting dogs are also over represented.  

==Diagnosis==

==Diagnosis==