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  • Title: Seasonal variation of ammonia-quotient in an Indian air-breathing freshwater teleost, Channa punctatus.
    Author: Roy R.
    Journal: Acta Biol Hung; 1988; 39(4):449-54. PubMed ID: 3256182.
    Abstract:
    The ammonia-quotient, calculated from the data on the levels of ammonia excreted and oxygen consumed from the water, is a potent tool for understanding the utilization of macromolecules as metabolic fuel. The fish, Channa punctatus, utilizes more protein in the summer and spawning months for getting its metabolic energy but in the winter and post-spawning months it also utilizes other substrates like lipid and carbohydrate for its metabolic energy.
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