Dietary leucine requirement of fingerling Catla catla (Hamilton) based on growth, feed conversion ratio, RNA/DNA ratio, leucine gain, blood indices and carcass composition

Verfasser / Beitragende:
[Seemab Zehra, Mukhtar Khan]
Ort, Verlag, Jahr:
2015
Enthalten in:
Aquaculture International, 23/2(2015-04-01), 577-595
Format:
Artikel (online)
ID: 605465010
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024 7 0 |a 10.1007/s10499-014-9837-8  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10499-014-9837-8 
245 0 0 |a Dietary leucine requirement of fingerling Catla catla (Hamilton) based on growth, feed conversion ratio, RNA/DNA ratio, leucine gain, blood indices and carcass composition  |h [Elektronische Daten]  |c [Seemab Zehra, Mukhtar Khan] 
520 3 |a This study aimed at quantifying leucine requirement of fingerling Catla catla [3.75 (mean body length)±0.15 (SE) cm, 0.66 (mean body weight)±0.04 (SE) g] by conducting a 12-week feeding trial. Six casein- and gelatin-based (33% crude protein, 14.0kJg−1 calculated digestible energy) semipurified diets containing different concentrations of leucine (0.73, 0.97, 1.24, 1.46, 1.74 and 1.97% dry diet) were fed to triplicate groups of fish to apparent satiation thrice daily at 08:00, 12:30 and 17:30 hours. Maximum absolute weight gain (AWG, 7.45g fish−1), protein gain (PG, 1.31g fish−1), leucine gain (LG, 85.33mg fish−1), RNA/DNA ratio (4.62) and best feed conversion ratio (FCR, 1.51) were recorded at 1.74% dietary leucine. Hemoglobin, hematocrit and red blood cell counts count were also found to be optimum in fish fed diet with 1.74% leucine. Quadratic regression analysis at 95% maximum response of AWG and minimum response of FCR against dietary leucine concentrations reflected the requirement at 1.58 and 1.57% dry diet, respectively. Based on above results, inclusion of leucine ranging from 1.57 to 1.58% of the dry diet is recommended for developing leucine-balanced commercial feeds for the intensive culture of C. catla. 
540 |a Springer International Publishing Switzerland, 2014 
690 7 |a Leucine  |2 nationallicence 
690 7 |a Growth  |2 nationallicence 
690 7 |a Requirement  |2 nationallicence 
690 7 |a Fingerling  |2 nationallicence 
690 7 |a Catla catla  |2 nationallicence 
700 1 |a Zehra  |D Seemab  |u Fish Nutrition Research Laboratory, Department of Zoology, Aligarh Muslim University, 202 002, Aligarh, India  |4 aut 
700 1 |a Khan  |D Mukhtar  |u Fish Nutrition Research Laboratory, Department of Zoology, Aligarh Muslim University, 202 002, Aligarh, India  |4 aut 
773 0 |t Aquaculture International  |d Springer International Publishing  |g 23/2(2015-04-01), 577-595  |x 0967-6120  |q 23:2<577  |1 2015  |2 23  |o 10499 
856 4 0 |u https://doi.org/10.1007/s10499-014-9837-8  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zehra  |D Seemab  |u Fish Nutrition Research Laboratory, Department of Zoology, Aligarh Muslim University, 202 002, Aligarh, India  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Khan  |D Mukhtar  |u Fish Nutrition Research Laboratory, Department of Zoology, Aligarh Muslim University, 202 002, Aligarh, India  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Aquaculture International  |d Springer International Publishing  |g 23/2(2015-04-01), 577-595  |x 0967-6120  |q 23:2<577  |1 2015  |2 23  |o 10499