NDLI: Effects of additive iron on growth, tissue distribution, haematology and immunology of gilthead sea bream, Sparus aurata

Content Provider	Springer Nature Link
Author	Rigos, George Samartzis, Alexandros Henry, Morgane Fountoulaki, Eleni Cotou, Efthimia Sweetman, John Davies, Simon Nengas, Ioannis
Copyright Year	2010
Abstract	The comparative effects of iron-supplemented levels on growth, tissue distribution, haematology and immunology of gilthead sea bream, Sparus aurata (2 g) were investigated, using four organic (50, 100, 200, 300 mg ORG/kg diet) and one inorganic iron source (200 INOR mg/kg diet). Fish were treated for 12 weeks with the experimental diets and maintained at a water temperature of 19–22°C. Growth (final weight and specific growth rate), tissue distribution (spleen, liver and muscle), haematological parameters (red blood cells, haematocrit, haemoglobin and mean corpuscular haemoglobin concentration) and non-specific immune indexes (respiratory burst activity and antibacterial activity of serum) were analysed. No significant differences were found in growth and iron tissue distribution among the tested groups. Red blood cell counting was statistically higher in fish given 50 ORG, 100 ORG, 200 ORG and 200 INOR feeds. However, haematocrit, haemoglobin and mean corpuscular haemoglobin concentration were not significantly affected by increasing dietary iron. Fish receiving the 100 ORG diet had the best performance with respect to the respiratory burst activity and significantly higher values for antibacterial activity of serum were obtained in fish fed with the 300 ORG diet. The present findings provided no clear evidence of the optimum iron concentration. However, there was adequate indication that iron supplementation enhanced the performance of gilthead sea bream, mainly from a haematological and immunological point of view.
Starting Page	1093
Ending Page	1104
Page Count	12
File Format	PDF
ISSN	09676120
Journal	Aquaculture International
Volume Number	18
Issue Number	6
e-ISSN	1573143X
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-02-03
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gilthead sea bream Growth performance Sparus aurata Mineral concentration Antibacterial activity Haematological parameters Chemiluminescence Zoology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Agronomy and Crop Science

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