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| {{unfinished}} | | {{unfinished}} |
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| + | ==Description== |
| + | A pneumonic disease which is principally of viral origin although mycoplasmas have also been implemented, which are mildly pathogenic unless secondary bacterial infection occurs. In calves a number of infectious agents are involved in the disease. These include [[Bovine Respiratory Syncytial Virus|Bovine respiratory syncytial virus (BRSV)]] - can be primary, causes suppression of pulmonary immune response |
| + | ***[[Bovine Parainfluenza - 3|Parainfluenza- 3 (PI3)]] - can be primary, causes suppression of pulmonary immune response |
| + | ***[[Flaviviridae|Bovine viral diarrhoea virus (BVDV)]] - suppression of pulmonary immune response |
| + | ***[[Adenoviridae|Adenoviruses]] |
| + | ***[[Coronaviridae|Calf coronavirus]] |
| + | ***[[Infectious Bovine Rhinotracheitis|Bovine herpes viruses]] |
| + | **Bacteria |
| + | ***[[Mannheimia haemolytica|''Manheimia (Pasteurella) haemolytica'' serotype A1]] |
| + | ***[[Pasteurella multocida|''Pasteurella multocida'']] |
| + | ***[[Arcanobacter pyogenes|''Arcanobacter pyogenes'']] |
| + | ***''[[Haemophilus somnus]]'' |
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| ***''Ureaplasma'' sp. | | ***''Ureaplasma'' sp. |
| **Viruses | | **Viruses |
− | ***[[Bovine Respiratory Syncytial Virus|Bovine respiratory syncytial virus (BRSV)]] - can be primary, causes suppression of pulmonary immune response
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− | ***[[Bovine Parainfluenza - 3|Parainfluenza- 3 (PI3)]] - can be primary, causes suppression of pulmonary immune response
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− | ***[[Flaviviridae|Bovine viral diarrhoea virus (BVDV)]] - suppression of pulmonary immune response
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− | ***[[Adenoviridae|Adenoviruses]]
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− | ***[[Coronaviridae|Calf coronavirus]]
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− | ***[[Infectious Bovine Rhinotracheitis|Bovine herpes viruses]]
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− | **Bacteria
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− | ***[[Mannheimia haemolytica|''Manheimia (Pasteurella) haemolytica'' serotype A1]]
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− | ***[[Pasteurella multocida|''Pasteurella multocida'']]
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− | ***[[Arcanobacter pyogenes|''Arcanobacter pyogenes'']]
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− | ***''[[Haemophilus somnus]]''
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| *All transmitted by aerosol and direct contact | | *All transmitted by aerosol and direct contact |
| *Gross pathology: | | *Gross pathology: |