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Haematology and leucocyte morphology of wild caught Thunnus maccoyii


Rough, KM and Nowak, BF and Reuters, RE, Haematology and leucocyte morphology of wild caught Thunnus maccoyii, Journal of Fish Biology, 66, (6) pp. 1649-1659. ISSN 0022-1112 (2005) [Refereed Article]

DOI: doi:10.1111/j.0022-1112.2005.00710.x


The haematology of wild southern bluefin tuna Thunnus maccoyii was described using blood samples collected from fish immediately after they were caught. Cytology and cytochemistry revealed that the blood in peripheral circulation is comprised of erythrocytes, reticulocytes, ghost cells, lymphocytes, thrombocytes, eosinophilic granulocytes, neutrophilic granulocytes and monocytes. Reference ranges established were 41.09-55.50% for haematocrit, 0.62-3.00% for leucocrit, 13.25-17.92 g dl-1 for haemoglobin and 2.1-2.9 million erythrocytes μl-1 for erythrocyte count. Differential cell counts showed 94.58 ± 2.15% erythrocytes, 3.99 ± 1.44% leucocytes and 1.43 ± 1.03% thrombocytes (mean ± S.D.). Normal ranges for differential leucocyte counts were 0.00-5.45% for neutrophils, 0.69-12.06% for eosinophils, 0.00-5.03% for monocytes, 46.97-74.32% for lymphocytes and 14.47-43.92% for thrombocytes. Erythrocyte indices, leucocyte types and cytochemistry were comparable to other species of scombrids. Packed cell volume was sensitive to the physiological state of the fish and to sample handling technique. © 2005 The Fisheries Society of the British Isles.

Item Details

Item Type:Refereed Article
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Fish pests and diseases
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - aquaculture
Objective Field:Fisheries - aquaculture not elsewhere classified
UTAS Author:Nowak, BF (Professor Barbara Nowak)
ID Code:33297
Year Published:2005
Web of Science® Times Cited:18
Deposited By:TAFI - Aquaculture
Deposited On:2005-08-01
Last Modified:2006-04-01

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