Abstract
All of the nitrogenous wastes from animals are degraded sooner or later to ammonia (NH3), a colourless, pungent gas, which in its free form is toxic, irritant and corrosive. Aquatic organisms are fed diets of high quality protein. Considerable wastage of food occurs and undergoes microbial degradation to ammonia. Apart from organic nitrogenous residues in the faeces, fish eliminate their end products of nitrogen metabolism mainly as ammonia which pollutes the water. A concentration of 400 μM (about 7.0 ppm) of ammonia accumulating in water is highly toxic to the fish[(12)].
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Hertrampf, J.W., Piedad-Pascual, F. (2000). Yucca Schidigera Extract. In: Handbook on Ingredients for Aquaculture Feeds. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4018-8_52
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DOI: https://doi.org/10.1007/978-94-011-4018-8_52
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