Difference between revisions of "Haemophilus parasuis"
Jump to navigation
Jump to search
| (9 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
| − | + | *Inhabits nasopharynx of normal swine | |
| − | + | *Serotype B causes [[Glasser's Disease|Glasser's disease]] in pigs | |
| − | | | + | *Glasser's disease |
| − | + | **Septicaemia | |
| − | + | **Acute inflammation affecting pleua, peritoneum, mediastinum, pericardium, joints and meninges | |
| − | | | + | **Causes a polyserositis - pericarditis, [[Peritonitis|peritonitis]], pleurisy and meningitis - in pigs 3-10 weeks old |
| − | | | + | **Also causes suppurative [[Respiratory Bacterial Infections - Pathology#Glasser's disease|bronchopneumonia, pleuritis]], [[Joints Inflammatory - Pathology#In Pigs|polyarthritis]] (also ''H. suis) |
| − | + | **Expressed lesions vary between animals - meningitis is most consistent, arthritis in 20% of cases | |
| − | + | **Fever, general malaise, repsiratory and abdominal signs, lameness, paralysis or convulsions | |
| − | + | **Sporadic outbreaks in the UK | |
| − | + | **Morbidity and mortality often low due to widespread acquired resistance | |
| + | **Mortality up to 50% in some outbreaks e.g. specific pathogen-free herds | ||
| + | **Can be fatal in 2-5 days | ||
| + | **Chronic arthritis, meningitis and intestinal obstruction due to adhesions in some surviving pigs | ||
| + | **Due to transport, environmental stresses, dietary and managemental factors | ||
| + | *Fibrinous pneumonia secondary to enzootic pneumonia or virus infection e.g. swine influenza | ||
| − | |||
| − | |||
| − | + | **Cause Glasser's disease | |
| − | + | **Fibrinous polyserositis, polyarhritis, meningitis | |
| − | |||
| − | + | [[Category:Haemophilus species]][[Category:Pig]] | |
| − | + | [[Category:To_Do_-_Bacteria]] | |
| − | [[Category:Haemophilus species]] | ||
| − | |||
| − | |||
| − | [[Category: | ||
Revision as of 14:16, 20 July 2010
- Inhabits nasopharynx of normal swine
- Serotype B causes Glasser's disease in pigs
- Glasser's disease
- Septicaemia
- Acute inflammation affecting pleua, peritoneum, mediastinum, pericardium, joints and meninges
- Causes a polyserositis - pericarditis, peritonitis, pleurisy and meningitis - in pigs 3-10 weeks old
- Also causes suppurative bronchopneumonia, pleuritis, polyarthritis (also H. suis)
- Expressed lesions vary between animals - meningitis is most consistent, arthritis in 20% of cases
- Fever, general malaise, repsiratory and abdominal signs, lameness, paralysis or convulsions
- Sporadic outbreaks in the UK
- Morbidity and mortality often low due to widespread acquired resistance
- Mortality up to 50% in some outbreaks e.g. specific pathogen-free herds
- Can be fatal in 2-5 days
- Chronic arthritis, meningitis and intestinal obstruction due to adhesions in some surviving pigs
- Due to transport, environmental stresses, dietary and managemental factors
- Fibrinous pneumonia secondary to enzootic pneumonia or virus infection e.g. swine influenza
- Cause Glasser's disease
- Fibrinous polyserositis, polyarhritis, meningitis