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Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss)

Year 2011, Volume: 11 Issue: 3, - , 01.06.2011

Ali Türker Önder Yıldırım

Abstract

Juvenile of rainbow trout (Oncorhynchus mykiss, weight 27.39±0.16 g) were reared under four photoperiods (Light/Dark hour) (11L:13D control group; 24L:0D continuous light group; 18L:6D extended light group and 6L:18D short light group) to examine their growth performance and some feeding parameters in sea water conditions. Fish were fed on a commercial diet until satiation for 8 weeks of the trial. Fish exposed to 24L:0D (continuous light group) had a significantly higher daily growth rate, relative growth rate and specific growth rates followed by 18L:6D, 11L:13D and 6L:18D photoperiods (P<0.05). The results demonstrated that the growth performance and feed utilization of rainbow trout can be stimulated clearly by using a continuous (24L:0D) or extended light (18L:6D) photoperiods in sea water.

Keywords

Rainbow Trout Oncorhynchus mykiss Juvenile Photoperiod Growth Feeding Sea Water

Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss)

Year 2011, Volume: 11 Issue: 3, - , 01.06.2011

Ali Türker Önder Yıldırım

Abstract

Juvenile of rainbow trout (Oncorhynchus mykiss, weight 27.39±0.16 g) were reared under four photoperiods (Light/Dark hour) (11L:13D control group; 24L:0D continuous light group; 18L:6D extended light group and 6L:18D short light group) to examine their growth performance and some feeding parameters in sea water conditions. Fish were fed on a commercial diet until satiation for 8 weeks of the trial. Fish exposed to 24L:0D (continuous light group) had a significantly higher daily growth rate, relative growth rate and specific growth rates followed by 18L:6D, 11L:13D and 6L:18D photoperiods (P<0.05). The results demonstrated that the growth performance and feed utilization of rainbow trout can be stimulated clearly by using a continuous (24L:0D) or extended light (18L:6D) photoperiods in sea water.

Keywords

Rainbow Trout Oncorhynchus mykiss Juvenile Photoperiod Growth Feeding Sea Water

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Details

Primary Language Turkish
Journal Section Articles
Authors

Ali Türker This is me

Önder Yıldırım This is me

Publication Date June 1, 2011
Published in Issue Year 2011 Volume: 11 Issue: 3

Cite

APA Türker, A., & Yıldırım, Ö. (2011). Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss). Turkish Journal of Fisheries and Aquatic Sciences, 11(3).
AMA Türker A, Yıldırım Ö. Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss). Turkish Journal of Fisheries and Aquatic Sciences. June 2011;11(3).
Chicago Türker, Ali, and Önder Yıldırım. “Interrelationship of Photoperiod With Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus Mykiss)”. Turkish Journal of Fisheries and Aquatic Sciences 11, no. 3 (June 2011).
EndNote Türker A, Yıldırım Ö (June 1, 2011) Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss). Turkish Journal of Fisheries and Aquatic Sciences 11 3
IEEE A. Türker and Ö. Yıldırım, “Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss)”, Turkish Journal of Fisheries and Aquatic Sciences, vol. 11, no. 3, 2011.
ISNAD Türker, Ali - Yıldırım, Önder. “Interrelationship of Photoperiod With Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus Mykiss)”. Turkish Journal of Fisheries and Aquatic Sciences 11/3 (June 2011).
JAMA Türker A, Yıldırım Ö. Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss). Turkish Journal of Fisheries and Aquatic Sciences. 2011;11.
MLA Türker, Ali and Önder Yıldırım. “Interrelationship of Photoperiod With Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus Mykiss)”. Turkish Journal of Fisheries and Aquatic Sciences, vol. 11, no. 3, 2011.
Vancouver Türker A, Yıldırım Ö. Interrelationship of Photoperiod with Growth Performance and Feeding of Seawater Farmed Rainbow Trout, (Oncorhynchus mykiss). Turkish Journal of Fisheries and Aquatic Sciences. 2011;11(3).