EXAMINATION OF THE PHYSIOLOGICAL AND BIOCHEMICAL CHANGES AFFECTING NUTRITIONAL REQUIREMENTS THAT OCCUR IN DIFFERENT LIFE STAGES OF FISH

MA ALI; Y HUSSAIN; AS BUTT; MA ALI; M RIZWAN; N MUNIR; A KABIR; L MATEEN

doi:10.54112/bcsrj.v2023i1.578

Authors

MA ALI Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
Y HUSSAIN Department of Zoology, University of Sialkot, Pakistan
AS BUTT Department of Zoology, University of Sialkot, Pakistan
MA ALI Department of Food Engineering, University of Agriculture, Faisalabad, Pakistan
M RIZWAN Department of Veterinary Medicine, University of Veterinary and Animal Sciences, Lahore, Pakistan
N MUNIR Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
A KABIR Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
L MATEEN Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan

DOI:

https://doi.org/10.54112/bcsrj.v2023i1.578

Keywords:

physiological, biochemical, reproductive, metabolic, enzymatic

Abstract

Fish undergo many physiological and biochemical changes throughout life, each demanding distinct nutritional consideration. This study explores the nuanced relationship between physiological and biochemical changes influencing nutritional requirements in different life stages of fish. The research involved an ethical and comprehensive investigation into various fish species' embryonic, larval, juvenile, and adult phases. Results demonstrated significant variations in growth rates, emphasizing rapid larval growth and unique reproductive hormone patterns during adulthood. Enzymatic activities reflected stage-specific digestive and metabolic demands, with larval stages exhibiting elevated digestive enzyme activities. Proximate composition analyses showcased protein, lipid, and carbohydrate content fluctuations, illustrating the evolving nutritional needs.

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