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Enzootic Pneumonia - Calves (view source)
Revision as of 14:30, 6 August 2010
, 14:30, 6 August 2010no edit summary
==Description==
==Description==
A pneumonic disease which is caused by a range of infectious agents in combination with management and environmental stress causing damage to the respiratory tract predisposing to disease.
A pneumonic disease which is caused by a range of infectious agents in combination with management and environmental stress causing damage to the respiratory tract predisposing to disease.
It is principally of viral origin and the following viruses have been implemented in disease. [[Bovine Respiratory Syncytial Virus|Bovine respiratory syncytial virus (BRSV)]], [[Bovine Parainfluenza - 3|Parainfluenza- 3 (PI3)]], [[Bovine Viral Diarrhoea Virus|Bovine viral diarrhoea virus (BVDV)]], [[Bovine Adenovirus|Adenoviruses]], [[Coronaviridae|Calf coronavirus]] and [[Infectious Bovine Rhinotracheitis|Bovine herpes viruses]].
It is principally of viral origin and the following viruses have been implemented in disease. [[Bovine Respiratory Syncytial Virus|Bovine respiratory syncytial virus (BRSV)]], [[Bovine Parainfluenza - 3|Parainfluenza- 3 (PI3)]], [[Bovine Viral Diarrhoea Virus|Bovine viral diarrhoea virus (BVDV)]], [[Bovine Adenovirus|Adenoviruses]], [[Bovine Enteric Coronavirus|Calf coronavirus]] and [[Infectious Bovine Rhinotracheitis|Bovine herpes viruses]].
Mycoplasmas have also been implemented and secondary bacterial infection is common.
[[Mycoplasmas]] have also been implemented and secondary bacterial infection is common.
Bacterial agents include [[Mannheimia haemolytica|''Manheimia (Pasteurella) haemolytica'' serotype A1]], [[Pasteurella multocida|''Pasteurella multocida'']], [[Arcanobacter pyogenes|''Arcanobacter pyogenes'']] and ''[[Haemophilus somnus]]''.
Bacterial agents include [[Mannheimia haemolytica|''Manheimia (Pasteurella) haemolytica'' serotype A1]], [[Pasteurella multocida|''Pasteurella multocida'']], [[Arcanobacter pyogenes|''Arcanobacter pyogenes'']] and ''[[Haemophilus somnus]]''.
All agents are transmitted by aerosol and direct contact.
All agents are transmitted by aerosol and direct contact.