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Energy Partitioning by <em>Litopenaeus Vannamei</em> (Boone, 1931) given Plant Protein Diets | OMICS International | Abstract
ISSN: 2155-9546

Journal of Aquaculture Research & Development
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Research Article

Energy Partitioning by Litopenaeus Vannamei (Boone, 1931) given Plant Protein Diets

Suárez JA1*, Gaxiola G2, Posso R1, Garcia G4, Alanis G4, Suárez A1, Faillace J1 and Cuzon G3

1CENIACUA, Corporación Centro Investigación de la Acuicultura de Colombia, Punta Canoa, Cartagena de Indias, Colombia

2UNAM, Unidad Multidisciplinaría de Docencia e Investigación, Facultad de Ciencias, Sisal, Yucatán Lab Ecophysiologia, Sisal, Yucatan, Mexico.

3Ifremer/COP, BP 7004 Taravao, Tahiti, French Polynesia

4Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, Nuevo Léon, México

*Corresponding Author:
Suarez JA
CENIACUA
Corporación Centro Investigación de la Acuicultura de Colombia
Punta Canoa, Cartagena de Indias, Colombia
Tel: (1) 305-968-5849
Fax: (305) 421-4675
E-mail: [email protected]

Received Date: January 12, 2012; Accepted Date: March 01, 2012; Published Date: March 28, 2012

Citation: Suárez JA, Gaxiola G, Posso R, Garcia G, Alanis G, et al. (2012) Energy Partitioning by Litopenaeus Vannamei (Boone, 1931) Given Plant Protein Diets. J Aquac Res Development 3:128. doi:10.4172/2155-9546.1000128

Copyright: © 2012 Suárez JA, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The nutritive value of soybean meal (SBMd), feed pea meal (FPMd) and canola meal (CNAd) was evaluated for the shrimp L. vannamei. The apparent digestive coefficient (ADC) of dry matter (DM) varied from 80-86% for diets (p<0.05) and 64-87% for ingredients (p<0.05). ADC protein varied in a narrow range but still differed amongst diets (p<0.05); CNA provided the least ADC protein. ADC energy followed the same pattern as ADC protein but the range of variation was higher (87-92%) than with protein. All parameters derived from oxygen consumption were measured to determine an energy budget calculated on a 24 h basis, with animals weighing 6 g on average and given practical diets. SBMd and FPMd yielded recovered energy (RE) of 0.9 and 0.7kJ, respectively, in comparison to CNAd, which yielded a value as low as 0.4 kJ RE. The latter thus represents a poor diet alternative as compared to soy or pea meal diets in terms of energy use for growth. Substrates were provided to shrimp at a high level and trypsin was able to hydrolyze all protein sources similarly. The result of this process was protein with tertiary structures. Such structures could be attacked in peptide chain regions where radical –COOH is present and at Arg and Lys linkages. A priori, the results of hydrolysis would release the same amount of amino acid. Therefore, any difference in ADC will be derived from the presence of inhibitor or from excess nitrogen-free extract. This could explain the lower ADC protein value observed with CNA. Diets fed to shrimp led to an energy budget where a large part of the energy was derived from catabolism of amino acids. Such budgets typically reflect a better output from SBM and FPM as compared to CAN. Therefore, we conclude that ADC is a useful tool for evaluating vegetable-derived protein in the formulation of shrimp diets.

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