Haemato-immunological and growth response of mirror carp (Cyprinus carpio) fed a tropical earthworm meal in experimental diets

Fish & Shellfish Immunology
M D RawlingS J Davies

Abstract

An investigation was conducted to evaluate the effect of feeding a tropical earthworm meal (Perionyx escavatus) on the haemato-immunological response and growth performance of mirror carp (Cyprinus carpio). Fish were fed diets for a total of 88 days, fishmeal served as the main protein source in the control diet. Two remaining diets consisted of fishmeal fixed at 33.65% provision of protein and the remaining 66.35% protein was provided by soybean meal (SBM diet) or P. excavatus meal (EW diet). Compared to control and SBM fed fish (7.69 ± 0.28 and 5.92 ± 0.31 g/dl, respectively), a significant increase in haemoglobin was measured in EW fed fish (9.57 ± 0.24 g/dl). Consequently significant elevations were also observed in mean corpuscular haemoglobin (MCH; 79.13 ± 4.59 pg) and mean corpuscular haemoglobin concentration (MCHC; 22.69 ± 0.54 pg) in EW fed fish. On the contrary, compared to control and SBM fed carp total leukocyte levels (2.72 ± 0.17 and 3.10 ± 0.17 × 10(4)/mm(3), respectively) were significantly decreased in the EW group (2.15 ± 0.14 × 10(4)/mm(3)). Moreover at day 14 and 21 post immunisation with bacterin isolated from Aeromonas hydrophila fish fed the EW diet displayed a significant reduction in respiratory burst ...Continue Reading

References

Apr 12, 2002·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Edwin L CooperAndrea Cossarizza
Oct 11, 2003·Fish & Shellfish Immunology·Marc Y EngelsmaB M Lidy Verburg-van Kemenade
May 19, 2007·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Jacek Walencik, Małgorzata Witeska
Nov 6, 2007·Fish & Shellfish Immunology·Shona K Whyte
Oct 24, 2009·Veterinary Immunology and Immunopathology·Alexander ReblHans-Martin Seyfert
Mar 31, 2010·Marine Biotechnology·Bergljot Magnadottir

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