Physiological responses of dietary tryptophan fedLabeo rohitato temperature and salinity stress

In the experiment I, a 60-day feeding trial was carried out to elucidate the effects of dietary TRP enrichment on growth performance and physio-biochemical responses

M. S. Akhtar; A. K. Pal; N. P. Sahu; A. Ciji; D. K. Meena; P. Das

2012

Scholarcy highlights

  • Two experiments were conducted to elucidate the possible effects of dietary L-tryptophan in Labeo rohita based on growth performance and physio-biochemical responses
  • In the experiment I, a 60-day feeding trial was carried out to elucidate the effects of dietary TRP enrichment on growth performance and physio-biochemical responses
  • The results of experiment II indicated that weight gain percentage, serum T3 and T4 levels were significantly reduced in groups that were exposed to temperature and salinity stress and fed diets without TRP supplementation
  • Tryptophan supplementation helped in bringing back T3 and T4 levels comparable with control
  • A significant increase in superoxide dismutase, catalase, Adenosine triphosphatase, blood glucose and serum cortisol was observed in temperature- and salinity-exposed groups fed without TRP-supplemented diets
  • The results of these experiments suggest that dietary TRP supplementation augments growth, lowers energy demand and helps in mitigating thermal and salinity stress in L. rohita

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