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International Journal of Zoology and Applied Biosciences Research Article
Effect of feeding Spirulina diets on the rates of metabolism and excretion and proximate compositions in Xiphophorus helleri
Nagarajan, R., R. Niranjani, J. Shoba and R. James
Year : 2016 | Volume: 1 | Issue: 4 | Pages: 198-204
Received on: 07/14/2016
Revised on: 08/25/2016
Accepted on: 08/28/2016
Published on: 08/31/2016
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Nagarajan, R., R. Niranjani, J. Shoba and R. James( 2016).
Effect of feeding Spirulina diets on the rates of metabolism and excretion and proximate compositions in Xiphophorus helleri
. International Journal of Zoology and Applied Biosciences, 1( 4), 198-204.
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Abstract
Spirulina diet significantly influenced the rates of metabolic and ammonia excretion and proximate composition in X. helleri. The rate of oxygen consumption decreased as the Spirulina level increased. A significant (P < 0.01) and negative correlation was obtained between rearing period and rate of oxygen consumption while ammonia excretion elicited the reverse trend in X. helleri fed all the Spirulina diets. The protein content increased with time and Spirulina levels in the diet. However, the trend was reversed in lipid and nitrogen free extract. Ovary concentrated more quantum of energy than muscle. The energy content in tissues was gradually increased with time and it elicited the better performance in fish fed with 15% Spirulina diet than other diets. Based on the results, the inclusion of Spirulina in the diet has beneficial effects on the reduction of metabolic stress and lipid level. The depression of metabolic stress conserves the feed energy and utilization of fat resulting the fish become flabby and attractive.
Keywords
Respiratory metabolism, Ammonia excretion, Organic reserves, Spirulina, Xiphophorus helleri.
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© The Author(s) 2025. This article is published by International Journal of Zoology and Applied Biosciences under the terms of the Creative Commons Attribution 4.0 International License (creativecommons.org), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
