Compensatory growth in juvenile roach Rutilus caspicus: effect of starvation and re‐feeding on growth and digestive surface area

Authors: Abolfathi, M.; Hajimoradloo, A.; Ghorbani, R.; Zamani, A.

Source: Journal of Fish Biology, Volume 81, Number 6, 1 November 2012 , pp. 1880-1890(11)

Publisher: Wiley-Blackwell

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Abstract:

The aim of this study was to investigate compensatory growth in juvenile Rutilus caspicus during starvation and re‐feeding periods. The results confirmed the existence of compensatory growth in R. caspicus which depended on the duration of food deprivation. Complete compensatory growth occurred in the fish that were food deprived for at least 3 weeks. Starvation and re‐feeding had no significant effect on the digestive somatic index and intestinal surface areas in the fish that were food deprived for 1 week, while they showed a significant decrease and increase, during starvation and re‐feeding in the fish that were food deprived for 2 and 3 weeks. This knowledge may have application in aquaculture, as appropriate exploitation of compensatory growth can give increased growth rate and feeding efficiency.

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.1095-8649.2012.03407.x

Publication date: November 1, 2012

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