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Dietary Phytase: an ideal approach for a cost effective and low-polluting aquafeed

Author

Listed:
  • Baruah, K.
  • Sahu, N.P.
  • Pal, A.K
  • Debnath, D.

Abstract

Global fishmeal production from wild-catch sources cannot continue to increase indefinitely; suitable alternatives have to be found for sustainable aquaculture. Plant-based aquafeed seems to be the ideal alternative to this, but has its own limitations. Plant ingredients are rich in phytic acid, which reduces the bioavailability of nutrients like minerals and protein to the fish, thereby causing aquaculture pollution. Dietary phytase treatment reduces the aquaculture pollution by improving the bioavailability of nutrients, and reduces the feed cost as evident from poultry and piggery. Phytase activity is highly dependent upon the pH of the gut. Unlike mammals, fish are either gastric or agastric, and hence, the action of dietary phytase varies from species to species. In this article, the authors attempt to summarise various effects of phytase on nutrient utilization, growth of fish and aquatic pollution.

Suggested Citation

  • Baruah, K. & Sahu, N.P. & Pal, A.K & Debnath, D., 2004. "Dietary Phytase: an ideal approach for a cost effective and low-polluting aquafeed," Naga, The WorldFish Center, vol. 27(3-4), pages 15-19.
  • Handle: RePEc:wfi:wfnaga:36595
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    File URL: http://hdl.handle.net/20.500.12348/2061
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    Citations

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    Cited by:

    1. Sana Akhtar & Iqra Zahoor & Samawia Yahya & Nimra Waseem & Sehrish Khan & Asma Khalid & Nida Iqbal & Saba Malik, 2020. "Effect Of Phytase Supplementation On Labeo Rohita Fingerlings That Are Fed By Phytase Supplemented Ddgs Based Diet," Big Data In Agriculture (BDA), Zibeline International Publishing, vol. 2(2), pages 81-86, August.
    2. Chloe, Kemigabo & Jeremiah, Kang’ombe & Wilson, Wesley Lazaro & Daniel, Sikawa & Tefula-Moses, Dhikusooka & Charles, Masembe, 2017. "Effect of toasting on phytic acid, protein and pH in a plant-based diet and its ingesta in fed catfish," African Journal of Rural Development (AFJRD), AFrican Journal of Rural Development (AFJRD), vol. 2(2), June.

    More about this item

    Keywords

    Diets; Feeds; Phytase; Water pollution; Growth;
    All these keywords.

    JEL classification:

    • Q00 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - General

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