Unit 1 - Fish Blood Constituents
Granulocyte - Occurrence

Back to Granulocytes

Granulocytes may account for 4-60% of leucocytes in fish, and there is considerable variation in the numbers of granulocytes present in different species of fish.  

Granulocytes are thought to account for 1-9% of the total white blood cells in juvenile Rainbow Trout (Oncorhynchus mykiss).

It should be noted that different authors have reported varying figures for the same

Notes

Percentage of  i) white blood cells and ii) all blood cells accounted for by granulocytes:                                                  

                                                                % of WBC’s               % of all blood cells

Sea Bass (Dicentrarchus labrax)                8%                             0.28%

White Bream (Diplodus sargus)               28%                             0.98%

Saupe (Sarpa salpa)                                    12%                            0.24%