Intensive rearing of wels (Silurus glanis L.) using plant protein based feed

Authors

  • Máté Havasi University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.
  • Zoltán Felföldi University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.
  • Anita Gorzás University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.
  • Péter Lévai University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.
  • János Merth University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.
  • Miklós Bercsényi University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.

Keywords:

wels, intensive rearing, plant protein, growth

Abstract

In order to replace growingly expensive fish meal, plant based feeds were compared to commercial wels (Silurus glanis) feed in a 60 days experiment. Three types of feed were applied: squealer feed (S), squealer feed combined with forage fish (S+F) and commercial wels feed (W). The feed conversion ratio was 0.88 ± 0.21 at the W group, 1.74 ± 0.21 at the S and 1.48 ± 0.23 in the case of S + F group. Specific growth rate was higher at wels feed (2.34%), than in case of the squealer feed (1.77%) or squealer feed with forage fish addition (1.95%). The slaughter loss was the least at the fish fed with forage fish in addition (34.6 ± 2.0%). The relative size of the liver (2.8 ± 0.32% of body weight) and the fat % of the viscera (4.1 ± 1.0% of body weight) were significantly higher at W group than those of the other treatments.

Author Biography

  • Máté Havasi, University of Pannonia, Georgikon Faculty, Department of Animal Sciences and Animal Husbandry P. O. Box 71. Keszthely 16 Deak F. Str H-8361.

    corresponding author
    havasi.mt@gmail.com 

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Published

2012-03-30

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How to Cite

Havasi, M., Felföldi, Z., Gorzás, A., Lévai, P., Merth, J., & Bercsényi, M. (2012). Intensive rearing of wels (Silurus glanis L.) using plant protein based feed. GEORGIKON FOR AGRICULTURE, 15(1), 19-31. https://journal.uni-mate.hu/index.php/gfa/article/view/6736

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