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Paper Information

Journal:   JOURNAL OF FISHERIES (IRANIAN JOURNAL OF NATURAL RESOURCES)   SUMMER 2016 , Volume 69 , Number 2; Page(s) 133 To 143.
 
Paper: 

EFFECTS OF FASTING ON GROWTH PATTERNS, BODY CHEMICAL COMPOSITION AND NON-SPECIFIC IMMUNE PARAMETERS IN TWO WEIGHTS OF YELLOW FIN SEABREAM, ACANTHOPAGRUS LATUS, HOUTTYN, 1782

 
 
Author(s):  AKBARY PARIA*
 
* FISHERIES GROUP, MARINE SCIENCES FACULTY, CHABAHAR MARITIME UNIVERSITY, CHABAHAR, IRAN
 
Abstract: 

The present study investigated effects of starvation on growth, body chemical composition and non-specific immune parameters in yellow fin seabream. In this study, 120 fish with a mean length of 8.05± 0.98 cm and weight of 7.46±1.07 g (was referred as size A) and 120 fish with a mean length of 11.05 ± 0.86 cm and weight of 18.01±3.07 g (was referred size B) were used with each size was comprised of those fed and starved with three replicates (20 fish per replicate) in a 60- L plastic tanks. The specimens were sampled at 10, 20 and 30 days of food deprivation. The results showed that in starved group of size A, specific growth ratio (SGR), condition factor (CF), final weight, increased weight gain (IWG), hepatic- somatic index (HSI), decreased significantly (P<0.05), whereas no significant difference was detected in those parameters (except for HSI and CF) and proximate composition between starved and fed groups of size B. In size A, crude lipid in the whole body of starved group decreased significantly and crude protein and moisture increased significantly compared to those in the fed group. No significant difference was found in survival of each size between fed and starved groups at any sampling time throughout the experiment. Lysozyme activity increased significantly in the starved group of each size from day 20 onwards. The present results indicated that in size A of yellowfin seabream, both growth performance and carcass quality of the starved group decreased significantly compared to those of the fed group.

 
Keyword(s): FOOD DEPRIVATION, SIZE, SPECIFIC GROWTH RATIO, HEPATIC SOMATIC INDEX, LYSOZYME, ACANTHOPAGRUS LATUS
 
References: 
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