Use of garlic, Allium sativum, to control Aeromonas hydrophila infection in rainbow trout, Oncorhynchus mykiss (Walbaum)

Journal of Fish Diseases - Tập 32 Số 11 - Trang 963-970 - 2009
Elijah Nya1, Brian Austin2
1School of Life Sciences, Heriot-Watt University, Edinburgh, UK
2Institute of Aquaculture, University of Stirling, Stirling, UK

Tóm tắt

Abstract

Garlic, Allium sativum, which was fed at 0, 0.05, 0.1, 0.5 and 1.0 g per 100 g of feed for 14 days to rainbow trout, Oncorhynchus mykiss (Walbaum), led to control of experimental infection with Aeromonas hydrophila. At doses of 0.5 and 1.0 g garlic per 100 g of feed, there was a reduction in mortalities to 4% compared with the controls (88%). Moreover, there was a significant increase in growth, feed conversion and protein efficiency. There was stimulation of the number of erythrocytes and leucocytes, a significantly higher haematocrit, enhancement of phagocytic activity, respiratory burst, lysozyme, anti‐protease and bactericidal activities following feeding with garlic.

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