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Palatability enhancing nutrients for the European eel, Anguilla anguilla L.
Pacolet, W.; Reynders, K.; Ollevier, F.P. (1991). Palatability enhancing nutrients for the European eel, Anguilla anguilla L., in: IZWO Coll. Rep. 21(1991). IZWO Collected Reprints, 21: pp. chapter 39
In: (1991). IZWO Coll. Rep. 21(1991). IZWO Collected Reprints, 21[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene. ISSN 0772-1250, more

Also published as
  • Pacolet, W.; Reynders, K.; Ollevier, F.P. (1991). Palatability enhancing nutrients for the European eel, Anguilla anguilla L., in: Lavens, P. et al. (Ed.) Larvi '91. Short communications and abstracts of contributions presented at the international Symposium on Fish and Crustacean Larviculture. Gent, Belgium, August 27-30, 1991. EAS Special Publication, 15: pp. 167, more

Available in  Authors 

Keywords
    Feed composition; Fish culture; Food additives; Food consumption; Food organisms; Nutritive value; Organoleptic properties; Marine; Brackish water; Fresh water

Authors  Top 
  • Pacolet, W.
  • Reynders, K.
  • Ollevier, F.P., more

Abstract
    Feeding experiments with European glass eels Anguilla anguilla L. demonstrated a high degree of attractiveness for the natural diets Tubifix and cod roe. Previous experiments had indicated that incorporation of bovine spleen and/or blood into paste feeds significantly improved the growth rate and survival. To increase feed consumption, the effect of some basic components available from the current generation of chemo-attractants were evaluated. Using a modified Omission Test Procedure, we focused on monosodiumglutamate, betaine, the nucleotides IMP and GMP, and fractions of cattle blood. These components were incorporated into non-attractive casein-based test diets and administered following standardized procedures to intensively cultured fingerling populations. These dose-response experiments revealed the Na-glutamate, betaine and the nucleotides IMP and GMP elicit feeding behaviour when administered separately. Only erythrocytes and the cell content of bovine blood induce an intensified feeding response. The effect of haemoglobin or organically-bound iron as attractant for eel is presently under investigation.

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