NDLI: DIETARY TRYPTOPHAN REQUIREMENT OF FINGERLING CATLA CATLA (HAMILTON) BASED ON GROWTH, PROTEIN GAIN, RNA/DNA RATIO, HEMATOLOGICAL PARAMETERS AND CARCASS COMPOSITION INTRODUCTION Dietary amino acids, due to its impact on fish growth and cost, have received priority

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DIETARY TRYPTOPHAN REQUIREMENT OF FINGERLING CATLA CATLA (HAMILTON) BASED ON GROWTH, PROTEIN GAIN, RNA/DNA RATIO, HEMATOLOGICAL PARAMETERS AND CARCASS COMPOSITION INTRODUCTION Dietary amino acids, due to its impact on fish growth and cost, have received priority

Content Provider	Semantic Scholar
Copyright Year	2015
Abstract	Dietary amino acids, due to its impact on fish growth and cost, have received priority in fish nutrition studies. Fish at early life stages show rapid growth and hence delivery of amino acids during this period is critical for body protein synthesis and energy (Terjesen et al. 2006). Tryptophan is an indispensable amino acid required for a wide variety of metabolic activities. Because its concentration in organisms is lowest among the all amino acids, it can easily play a rate-limiting role in protein synthesis (Emadi et al. 2010). Moreover, it serves as the precursor of serotonin, melatonin, tryptamine, NAD, and NADP, as well as meeting the majority of the requirement for nicotinic acid (Sainio et al. 1996). Feeding tryptophan-supplemented diet resulted in the inhibition of endogenously derived aggressive behavior (Hseu et al. 2003). Tryptophan is known to be stress suppressor in some species (Lepage et al. 2003; Tejpal et al. 2009). It has also been reported that optimized inclusion of tryptophan in diet improved the hematological parameters (Farhat and Khan 2012b; Ahmed 2012a). Dietary tryptophan requirement has been worked out for a number of finfish species such as rohu, Labeo rohita; mrigal, Cinhinus mrigala; common carp, Cyprinus carpio; tilapia, Oreochromis spp.; channel catfish, Ictaluruspunctatus; rainbow trout, Oncorhynchus mykiss; Atlantic salmon, salmo salar; pacific salmon, 0. spp. (NRC 2011) and sdnging catfish Heteropneusles fossilis (Farhat and Khan 2012b; Ahmed 2012a).
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://shodhganga.inflibnet.ac.in:8080/jspui/bitstream/10603/63135/14/14_chapter%207.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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