Name: Avibacterium avium (Hinz and Kunjara 1977) Blackall et al. 2005

Category: Species

Proposed as: comb. nov.

Basonym: Haemophilus avium Hinz and Kunjara 1977 (Approved Lists 1980)

Etymology: a’vi.um. L. gen. fem. pl. n. avium, of birds

Pronunciation, gender: A-wi-um, neuter

Type strain: 2654; ATCC 29546; CCUG 12833; CIP 100919; DSM 18557; IPDH 2654; NCTC 11297

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M75058 Analyse FASTA

Valid publication: Blackall PJ, Christensen H, Beckenham T, Blackall LL, Bisgaard M. Reclassification of Pasteurella gallinarum, [Haemophilus] paragallinarum, Pasteurella avium and Pasteurella volantium as Avibacterium gallinarum gen. nov., comb. nov., Avibacterium paragallinarum comb. nov., Avibacterium avium comb. nov. and Avibacterium volantium comb. nov. Int J Syst Evol Microbiol 2005; 55:353-362.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 1 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:987-991.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Pasteurella avium (Hinz and Kunjara 1977) Mutters et al. 1985	homotypic synonym, validly published under the ICNP
    Haemophilus avium Hinz and Kunjara 1977 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.11944 (N = 16).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 4 times in PubMed until 2025-06-04.
  • 🫡 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself. This name is not taxonomically suspended any more in favour of Haemophilus avium Hinz and Kunjara 1977 (Approved Lists 1980). Publication: Hinz KH, Kunjara C. Haemophilus avium, a new species from chickens. International Journal of Systematic Bacteriology 1977; 27:324-329. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Avibacterium Blackall et al. 2005

Assigned by: Blackall PJ, Christensen H, Beckenham T, Blackall LL, Bisgaard M. Reclassification of Pasteurella gallinarum, [Haemophilus] paragallinarum, Pasteurella avium and Pasteurella volantium as Avibacterium gallinarum gen. nov., comb. nov., Avibacterium paragallinarum comb. nov., Avibacterium avium comb. nov. and Avibacterium volantium comb. nov. Int J Syst Evol Microbiol 2005; 55:353-362.

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Record number: 783402