Probiotic bacteria for fish

21:

• The method of claim 20, wherein exposing the fish is by at least one of injection, anal intubation, spawned eggs, and orally.

22:

• The method of claim 21, wherein the fish are exposed to a pharmaceutically effective amount of one or more species of the probiotic bacteria.

23:

• The method according to claim 20, wherein the microbial infection is a bacterial infection causing at least one of wounds, ulcers and/or lesions on skin of the fish, and/or septicaemia.

24:

• The method of claim 20, wherein the fish is selected from salmon, trout, chars, freshwater whitefishes, graylings, pike, perch, zander and carp.

25:

• The method of claim 20, wherein the species of bacteria includes an isolated and biologically pure strain of Psychrobacter piscimesodermis Fisk 1, 41, 6/3-2014 Atl. Salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number NCIMB 42947.

26:

• The method of claim 20, wherein the species of bacteria includes an isolated and biologically pure strain of Psychrobacter piscimesenchymalis Fisk 2, 42, 6/3-2014 Atl. salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number NCIMB 42948.

27:

• The method of claim 20, wherein the species of bacteria includes an isolated and biologically pure strain of Psychrobacter piscisubcutanea Fisk 3, 43, 6/3-2014 Atl. Salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number NCIMB 42949.

28:

• The method of claim 20, wherein the species of bacteria includes an isolated and biologically pure strain of Pseudomonas salmosubcutaneae Fisk 3, 13/5-2014, hb, Atl. Salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number 43330.

29:

• The method of claim 20, wherein the species of bacteria includes an isolated and biologically pure strain of Pseudomonas salmosubpectoralis Fisk 3, 13/5-2014, ba, Atl. salm., which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number 43331.

30:

• The method of claim 20, wherein the species of bacteria includes an isolated and biologically pure strain of Pseudomonas salmointermuscularis Fisk 4, 13/5-2014, ha, Atl. salm., which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number 43332.

31:

• One or more of a probiotic bacterium of the species Psychrobacter piscimesodermis, Psychrobacter piscimesenchymalis, Psychrobacter piscisubcutanea, Pseudomonas salmosubcutaneae, Pseudomonas salmosubpectoralis and/or Pseudomonas salmointermuscularis, Aliivibrio njordis, Aliivibrio balderis and Aliivibrio nannie for use to treat and/or prevent a microbial infection in fish.

32:

• The probiotic bacterium of claim 31, wherein the species of bacteria includes an isolated and biologically pure strain of Psychrobacter piscimesodermis Fisk 1, 41, 6/3-2014 Atl. Salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number NCIMB 42947.

33:

• The probiotic bacterium of claim 31, wherein the species of bacteria includes an isolated and biologically pure strain of Psychrobacter piscimesenchymalis Fisk 2, 42, 6/3-2014 Atl. salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number NCIMB 42948.

34:

• The probiotic bacterium of claim 31, wherein the species of bacteria includes an isolated and biologically pure strain of Psychrobacter piscisubcutanea Fisk 3, 43, 6/3-2014 Atl. Salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number NCIMB 42949.

35:

• The probiotic bacterium of claim 31, wherein the species of bacteria includes an isolated and biologically pure strain of Pseudomonas salmosubcutaneae Fisk 3, 13/5-2014, hb, Atl. Salm, which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number 43330.

36:

• The probiotic bacterium of claim 31, wherein the species of bacteria includes an isolated and biologically pure strain of Pseudomonas salmosubpectoralis Fisk 3, 13/5-2014, ba, Atl. salm., which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number 43331.

37:

• The probiotic bacterium of claim 31, wherein the species of bacteria includes an isolated and biologically pure strain of Pseudomonas salmointermuscularis Fisk 4, 13/5-2014, ha, Atl. salm., which has been deposited at National Collection of Industrial and Marine Bacteria and has been assigned accession number 43332.

38:

• A medicament for the treatment and/or prevention of a microbial infection in a fish, wherein the medicament comprises one or more of Psychrobacter piscimesodermis, Psychrobacter piscimesenchymalis, Psychrobacter piscisubcutanea, Pseudomonas salmosubcutaneae, Pseudomonas salmosubpectoralis, Pseudomonas salmointermuscularis, Aliivibrio njordis, Aliivibrio balderis and Aliivibrio nannie, and further wherein the medicament also results in an increase in the growth rate and/or weight of the fish.