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===Diagnosis===
===Treatment===
−===Control===
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*''S. suis'' in [[Respiratory Bacterial Infections - Pathology#Streptococcal pneumonia|pneumonia]] of pigs+
*In horses sometimes [[Muscles Degenerative - Pathology#Ischaemia|purpura haemorrhagica]] follows, especially during recovery from [[Respiratory Bacterial Infections - Pathology#Strangles|strangles]]+
**Guttural pouch empyema
**Guttural pouch empyema
**100% morbidity; 5% mortality
**100% morbidity; 5% mortality
−**Death can occur from pneumonia, breathing difficulties from swollen lymph nodes or purpura haemorrhagica (an immune-mediated disease)
+**Death can occur from pneumonia, breathing difficulties from swollen lymph nodes or [[Muscles Degenerative - Pathology#Ischaemia|purpura haemorrhagica]](an immune-mediated disease)
**Bastard strangle may occasionally occur, with abscessaation in many organs of the body
**Bastard strangle may occasionally occur, with abscessaation in many organs of the body
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**Avoid overcrowding and mixing different age groups
**Avoid overcrowding and mixing different age groups
**Disinfection of equipment
**Disinfection of equipment
+
===''Streptococcus suis''===
===''Streptococcus suis''===
+*Meningitis, arthritis, septicaemia and [[Respiratory Bacterial Infections - Pathology#Streptococcal pneumonia|pneumonia]] of pigs
+*Sporadic cases of endocarditis, neonatal deaths and abortion
+*Carried in tonsils of carrier pigs
+*Outbreaks occur in intensively-reared herds with poor hygiene
+*Carrier sows infect litters causing neonatal deaths
+*Meningitis with fever, tremors, incoordination, opisthotonos and convulsions
+*Treatment with penicillin; prophylactic long-acting penicillin for sows and piglets
+
+
+===Bovine streptococcal mastitis===
+*''S. agalactiae, S. dysgalactiae'' and ''S. uberis'' primarily cause mastitis
−*Swabs of pus or exudate cultured on blood agar and MacConkey agar
*Swabs of pus or exudate cultured on blood agar and MacConkey agar
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*PCR, Lancefield grouping and biochemical tests
*PCR, Lancefield grouping and biochemical tests
−* Can cause vascular fragility, leading to [[General Pathology - Haemostasis#Haemorrhagic Disease Due To Vascular Fragility|haemorrhagic disease]].
* Can cause vascular fragility, leading to [[General Pathology - Haemostasis#Haemorrhagic Disease Due To Vascular Fragility|haemorrhagic disease]].
*Secondary invadors after [[Respiratory Viral Infections - Pathology#Equine influenza|Equine influenza]]
*Secondary invadors after [[Respiratory Viral Infections - Pathology#Equine influenza|Equine influenza]]
−*In [[Pleural Cavity & Membranes Inflammatory - Pathology#Pyothorax (Thoracic empyema)|pyothorax]]
*In [[Pleural Cavity & Membranes Inflammatory - Pathology#Pyothorax (Thoracic empyema)|pyothorax]]
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*In infectious [[Joints Inflammatory - Pathology#In Sheep|arthritis of sheep]], [[Joints Inflammatory - Pathology#In Cattle|arthritis in calves]], [[Joints Inflammatory - Pathology#In Horses|arthritis in horses]] and [[Joints Inflammatory - Pathology#In Pigs|arthritis in pigs]]
*In infectious [[Joints Inflammatory - Pathology#In Sheep|arthritis of sheep]], [[Joints Inflammatory - Pathology#In Cattle|arthritis in calves]], [[Joints Inflammatory - Pathology#In Horses|arthritis in horses]] and [[Joints Inflammatory - Pathology#In Pigs|arthritis in pigs]]
−*In [[Cavity & Gingiva - Pathology#Catarrhal Stomatitis|catarrhal stomatitis]]
*In [[Cavity & Gingiva - Pathology#Catarrhal Stomatitis|catarrhal stomatitis]]
*In [[Bacterial skin infections - Pathology#Deep pyoderma|deep pyoderma]] and subcutaneous abscesses
*In [[Bacterial skin infections - Pathology#Deep pyoderma|deep pyoderma]] and subcutaneous abscesses