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==Introduction==
 
==Introduction==
 
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[[Image:Coccidia oocyst ruminant.jpg|thumb|right|150px|Coccidia oocyst from ruminant faeces - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
Poultry coccidiosis is caused by ''Eimeria'' species. The poultry industry has grown to its massive size through the development and administration of anticoccidial drugs. Most growing birds are fed compounded rations containing anticoccidial drugs which has radically reduced the deaths from coccidiosis bringing the mortality rate down to negligable levels. Careful management is needed to prevent decreased productivity from infection through decreased egg production, weight gain and feed conversion ratios.
 
Poultry coccidiosis is caused by ''Eimeria'' species. The poultry industry has grown to its massive size through the development and administration of anticoccidial drugs. Most growing birds are fed compounded rations containing anticoccidial drugs which has radically reduced the deaths from coccidiosis bringing the mortality rate down to negligable levels. Careful management is needed to prevent decreased productivity from infection through decreased egg production, weight gain and feed conversion ratios.
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==Coccidia of Cattle==
 
==Coccidia of Cattle==
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[[Image:Coccidia ruminant.jpg|thumb|right|150px|''Eimeria'' sp. of ruminants - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
*Many species affect cattle
 
*Many species affect cattle
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==Coccidia of Horses==
 
==Coccidia of Horses==
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[[Image:Eimeria leukarti horse.jpg|thumb|right|150px|''Eimeria leukarti'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
*Only one atypical ''Eiemria''
 
*Only one atypical ''Eiemria''
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==Coccidia of Dogs==
 
==Coccidia of Dogs==
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[[Image:Isospora canis.jpg|thumb|right|150px|''Isospora canis'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
*2 common and 2 less common ''Isospora'' species
 
*2 common and 2 less common ''Isospora'' species
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***''H. canis'' – ''Rhipicephalus sanguineus''
 
***''H. canis'' – ''Rhipicephalus sanguineus''
 
***Ticks become infected by ingesting a blood meal containing macrophages and neutrophils infected with the parasite gamonts -> sexual replication in the gut of the tick -> oocysts containing infective sporozoites -> dogs ingest the tick  schizogony occurs in numerous tissues
 
***Ticks become infected by ingesting a blood meal containing macrophages and neutrophils infected with the parasite gamonts -> sexual replication in the gut of the tick -> oocysts containing infective sporozoites -> dogs ingest the tick  schizogony occurs in numerous tissues
      
==Coccidia of Cats==
 
==Coccidia of Cats==
 
[[Image:Coccidia.jpg|thumb|right|150px|Coccidia in Cat Faeces - Joel Mills]]
 
[[Image:Coccidia.jpg|thumb|right|150px|Coccidia in Cat Faeces - Joel Mills]]
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[[Image:Isospora felis.jpg|thumb|right|150px|''Isospora felis'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
*2 common ''Isospora'' species with little clinical significance
 
*2 common ''Isospora'' species with little clinical significance
  
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