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[Effect of light on white blood cell count in carp Cyprinus carpio L]
Abstract:
In the dark, the lymphocyte count decreased while the monocyte and basophil counts increased in the carp blood. Conversely, the lymphocyte count increased and the monocyte and basophil counts decreased during 12D:12L, 16D:8L, and 0D:24L dark/light cycles, which can be considered as an improvement of the overall physiological state of the yearlings. High light intensity improved the physiological state of carp yearlings, while zero illumination had an inverse effect. No pattern has been revealed for the effect of intermediate dark/light cycles.
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