Changes

This group of pathogens cause a range of syndromes, most commonly septicaemia, '''peritonitis'''<ref name="Edwards"> Edwards, P. R., Hull, F. E (1937) '''Haemolytic streptococci in chronic peritonitis and salpingitis of hens.''' J American Vet Med Assoc, 44:656-660</ref>, '''salpingitis'''<ref name="Edwards" /> and '''endocarditis'''.<ref name="Jortner"> Jortner, B. S., Helmboldt, C. F (1971) '''Streptococcal bacterial endocarditis in chickens associated lesions of the central nervous system.''' Veterinary Pathology, 8:54-62</ref>

This group of pathogens cause a range of syndromes, most commonly septicaemia, '''peritonitis'''<ref name="Edwards"> Edwards, P. R., Hull, F. E (1937) '''Haemolytic streptococci in chronic peritonitis and salpingitis of hens.''' J American Vet Med Assoc, 44:656-660</ref>, '''salpingitis'''<ref name="Edwards" /> and '''endocarditis'''.<ref name="Jortner"> Jortner, B. S., Helmboldt, C. F (1971) '''Streptococcal bacterial endocarditis in chickens associated lesions of the central nervous system.''' Veterinary Pathology, 8:54-62</ref>

Thus clinical signs also vary widely and may range from anorexia, lethargy and [[Darrhoea|diarrhoea]] to high mortality rates and severe neurological signs, lameness or jaundice.

Thus clinical signs also vary widely and may range from anorexia, lethargy and [[Diarrhoea|diarrhoea]] to high mortality rates and severe neurological signs, lameness or jaundice.

Many other species not discussed here have been isolated from healthy birds and are thought to be non-pathogenic.

Many other species not discussed here have been isolated from healthy birds and are thought to be non-pathogenic.