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Effect of Short-Term Starvation on Serum Metabolites, Antioxidant Enzymes and Endogenous Reserves of Rainbow Trout, Oncorhynchus mykiss

Effect of Short-Term Starvation on Serum Metabolites, Antioxidant Enzymes and Endogenous Reserves of Rainbow Trout, Oncorhynchus mykiss

Tayfun Karataş

Health Services Vocational School, Agri Ibrahim Cecen University, Agri 04100, Turkey

*      Corresponding author: tkaratas025@gmail.com

 

 

ABSTRACT

This study was conducted to investigate the effects of starvation for 8 days on the serum metabolites and antioxidant enzymes, thiobarbituric acid reacting substance levels, endogenous reserves in liver and muscle tissues of rainbow trout (Oncorhynchus mykiss). Eight-days of fasting caused a significant decrease in glucose, total protein, triglyceride, cholesterol, high-density lipoprotein and low-density lipoprotein levels as well as protein and lipid reserves in liver and muscle tissue of fish (p<0.05). The fasting period had no significant effect on the hepatic thiobarbituric acid reactive substances (TBARS), but, it caused a significant decrease in the hepatic catalase and glutathione peroxidase (p<0.05). In muscle tissue, the TBARS levels were significantly decreased (p<0.05). Whereas, antioxidant enzyme activities remained unchanged (p>0.05). The results obtained from this study showed that the short-term starvation leads to significant changes on serum metabolites, antioxidant enyzme activities and endogenous reserves of rainbow trout.
 

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Pakistan Journal of Zoology

October

Vol. 50, Iss. 5, Pages 1601-1998

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