Haematological Changes in Cyprinus Carpio Subjected to Transportation Stress

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The stress response of Cyprinus carpio subjected to transportation with or without oxygen was evaluated by investigating the haematological parameters of the fish. A significant increase in Total Erythrocyte Count (TEC), Haemoglobin (Hb), Haematocrit (Hct) and Total Leucocyte Count (TLC) but a fall in the levels of Mean Corpuscular Volume (MCV) and Mean Corpuscular Haemoglobin (MCH) was observed immediately after transport of fish without oxygen, whereas Mean Corpuscular Haemoglobin Concentration (MCHC) appears not to be affected. On the other hand when fish were transported with oxygen, the only noticeable change was found in TLC. All elevated parameters returned back to their control values within 14 days. Results show that transport is a considerable stressor for fish and it takes some time to come out of this stress.

Haematological parameters; oxygen; transport; stress.