INTESTINAL DIGESTIVE ENZYME ACTIVITY UNDER THE INFLUENCE OF DIFFERENT DIETARY SUPPLEMENTS METHIONINE AND LYSINE IN THE DIET OF SPARIDENTEX HASTA

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MOVAHEDIAN R.; ZAKERI M.; KOCHANIAN P.; MOUSAVI S.M.; TAGHAVI MOGHADAM A.

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Journal: Iranian Scientific Fisheries Journal Year:2016 | Volume:25 | Issue:2 Page(s): 79-94

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Title

INTESTINAL DIGESTIVE ENZYME ACTIVITY UNDER THE INFLUENCE OF DIFFERENT DIETARY SUPPLEMENTS METHIONINE AND LYSINE IN THE DIET OF SPARIDENTEX HASTA

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Keywords

METHIONINEQ2

LYSINEQ2

DIGESTIVE ENZYMESQ1

SPARIDENTEX HASTAQ1

Abstract

This study was conducted to determine the effects of dietary METHIONINE and LYSINE supplementation on DIGESTIVE ENZYMES activity in juvenile Sobaity, SPARIDENTEX HASTA. For this purpose, 180 juvenile fish with an initial average weight of 31.38±1.4 g were distributed randomly in eighteen (300 L) polyethylene tanks. 6 experimental diets were prepared with different levels of METHIONINE and LYSINE including control diet (without dietary METHIONINE and LYSINE), Diet 1: 100% METHIONINE; Diet 2: 75% METHIONINE and 25% LYSINE; Diet 3: 50% METHIONINE and 50% LYSINE; Diet 4: 25% METHIONINE and 75% LYSINE; Diet 5: 100% LYSINE. During the experimental period, fish were fed to satiation thrice daily (8:00, 13:00 and 18:00 hours) for 8 weeks. At the end of the experiment, DIGESTIVE ENZYMES (trypsin, chymotrypsin, alkaline phosphatase, amylase, lipase and total protease were effected by different dietary levels of METHIONINE and LYSINE supplementations (P<0.05). Also, the activity of trypsin and chymotrypsin had showed an increasing trend with increased amount of diet LYSINE while enzyme activity of alkaline phosphatase was higher in treatments contains maximum amount of METHIONINE supplementation. According to results, the increasing of LYSINE in diet reduced enzyme activity of lipase. The results, showed no significant differences between experimental treatments in amylase and total protease (P<0.05). Based on the results of evaluation DIGESTIVE ENZYMES, amino acids supplements of LYSINE and METHIONINE were changed the activity of DIGESTIVE ENZYMES in juvenile Sobaity, (S. hasta). Finally, Diet 2 with 75% METHIONINE and 25% LYSINE was suggested for used by Sobaity, as to the balance of dietary METHIONINE and LYSINE supplementation.

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APA: Copy

MOVAHEDIAN, R., ZAKERI, M., KOCHANIAN, P., MOUSAVI, S.M., & TAGHAVI MOGHADAM, A.. (2016). INTESTINAL DIGESTIVE ENZYME ACTIVITY UNDER THE INFLUENCE OF DIFFERENT DIETARY SUPPLEMENTS METHIONINE AND LYSINE IN THE DIET OF SPARIDENTEX HASTA. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 25(2), 79-94. SID. https://sid.ir/paper/4681/en

Vancouver: Copy

MOVAHEDIAN R., ZAKERI M., KOCHANIAN P., MOUSAVI S.M., TAGHAVI MOGHADAM A.. INTESTINAL DIGESTIVE ENZYME ACTIVITY UNDER THE INFLUENCE OF DIFFERENT DIETARY SUPPLEMENTS METHIONINE AND LYSINE IN THE DIET OF SPARIDENTEX HASTA. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2016;25(2):79-94. Available from: https://sid.ir/paper/4681/en

IEEE: Copy

R. MOVAHEDIAN, M. ZAKERI, P. KOCHANIAN, S.M. MOUSAVI, and A. TAGHAVI MOGHADAM, “INTESTINAL DIGESTIVE ENZYME ACTIVITY UNDER THE INFLUENCE OF DIFFERENT DIETARY SUPPLEMENTS METHIONINE AND LYSINE IN THE DIET OF SPARIDENTEX HASTA,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 25, no. 2, pp. 79–94, 2016, [Online]. Available: https://sid.ir/paper/4681/en

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