Table 1 Currently recognized Bifidobacterium species

B. actinicoloniformis

Bumblebee intestine

[51, 106]

B. adolescentis

Adult intestine

[106]

B. angulatum

Human faeces, sewage

[119]

B. animalis

[71]

 subsp. animalis

Chicken, rat, rabbit and calf faeces; river;

ex [120]

 subsp. lactis

Fermented milk

ex [77]

B. asteroides

Hindgut of honeybee

[122]

B. bifidum

Adult intestine, human faeces, vagina

[93]

B. bohemicus

Bumblebee intestine

[51]

B. bombi

Bumblebee intestine

[52]

B. boum

Bovine rumen; piglet faeces

[121]

B. breve

Infant intestine, faeces, vagina

[106]

B. catenulatum

Child and adult intestine, vagina

[119]

B. choerinum

Pig faeces

[121]

B. coryneforme

Hindgut of honeybee

[9]

B. crudilactis

Raw milk and raw milk cheese

[20]

B. cuniculi

Rabbit faeces

[121]

B. dentium

Human dental caries, faeces, human vagina

[119]

B. gallicum

Adult intestine

(Lauer, 1990)

B. gallinarum

Chicken cecum

[159]

B. indicum

Bees; river

[122]

B. longum

Child and adult intestine, vagina

[72]

 subsp. infantis

Infant intestine, vagina

ex [106]

 subsp. suis

ex [73]

 subsp. longum

Child and adult intestine, vagina

ex [106]

B. magnum

Rabbit faeces; sewage

[123]

B. merycicum

Rumen

[7]

B. minimum

Sewage

[9]

B. mongoliense

Fermented mare’s milk product

[160]

B. pseudocatenulatum

Child faeces

[121]

B. pseudolongum

[165]

 subsp. globosum

Pig, chicken, calf and rat faeces, rumen

ex [9]

 subsp. pseudolongum

Pig, chicken, calf and rat faeces, rumen

ex [78]

B. psychraerophylum

Porcine caecum

[128]

B. pullorum

Chicken faeces

[133]

B. ruminantium

Rumen

[7]

B. saeculare

Rabbit faeces

[8]

B. scardovii

Adult faeces

[44]

B. subtile

Sewage

[9]

B. thermophilum

Pig chicken and calf faeces, bovine rumen (B. ruminale)

[78]

B. thermacidophilum

Anaerobic digester

[23]

B. tsurumiense

Hamster dental plaque

[91]