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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 3, Part D

Effects of feeding frequency on growth, feed conversion ratio, survival rate and water quality of white leg shrimp (Litopenaeus vannamei, Boone, 1931)


Author(s): Mazdak Aalimahmoudi, Alireza Reyshahri, Siamak Salehipour Bavarsad, Milad Maniat

Abstract: This study is conducted to evaluate the effect of feeding frequency on growth, feed conversion ratio and survival rate of white leg shrimp (Litopenaeus vannamei) post-larvae in 56 days. Final mean weights obtained for 2 and 4 times/day (6.73 ± 0.09 g and 6.98 ± 0.15 g, respectively) were significantly lower than treatment 6 times/day (8.56 ± 0.16 g) (P<0.05). There was significant difference for feed conversion ratio (FCR) of treatment 6 times/day with treatments 2 and 4 times/day (P<0.05) and the best FCR value was obtained from treatment 6 daily feeding. Special growth rate (SGR) of shrimps were fed 6 times /day was significantly higher than other types of feeding (3.05 ± 0.05%, P<0.05).Best survival rate was obtained in 6 times per day treatment. Salinity, dissolved oxygen and temperature had no difference among treatments (P>0.05). Although ammonium, nitrate, phosphate and pH had significant differences among treatments (P<0.05).

Pages: 293-297  |  632 Views  44 Downloads

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How to cite this article:
Mazdak Aalimahmoudi, Alireza Reyshahri, Siamak Salehipour Bavarsad, Milad Maniat. Effects of feeding frequency on growth, feed conversion ratio, survival rate and water quality of white leg shrimp (Litopenaeus vannamei, Boone, 1931). International Journal of Fisheries and Aquatic Studies. 2016; 4(3): 293-297.
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