EVALUATION OF SOME FORMULATED DIETS FOR RE ING T POST-LARVAE OF MACROBRACHIUM ROSENBERGH


31 / 35

Authors

  • S. T. Indulkar Marine Biological Research Station, Faculty of Fisheries Dr. B. S. Konkan Agricultural University, Peth Killa, Ratnagirt - 415 612
  • S. G. Belsare Marine Biological Research Station, Faculty of Fisheries Dr. B. S. Konkan Agricultural University, Peth Killa, Ratnagirt - 415 612

Abstract

Macrobrachium rosenbergii post-larvae with an average weight of 6.26 t
0.23 mg and an average length of 10.67 t 0.13 mm were fed with one of the five
experimental diets having graded levels of lipid (5.0, 7.5, 10.0, 12.5 and 15.0%)
to satiation two times a day to study their effect on growth, survival and
feed utilisation. The highest weight gain was observed in post-larvae fed
7.5% lipid, although there was no significant difference (p > 0.05) between
groups fed 7.5 and 10.0% lipid. Similar effect was observed in the specific
growth rate and protein efficiency ratio of post-larvae fed the diet with 7.5
and 10.0% lipid. The lowest feed conversion ratio was obtained in postlarvae
fed the diet with 7.5% lipid. The survival rates of post-larvae fed on
various levels of dietary lipid differed significantly (p < 0.05) after 15 days of
rearing period. Significantly lower survival was observed in the diet with
15.0% lipid level. Dietary lipid did not significantly affect prawn carcass
protein, lipid and ash contents. Based on the data analysis (ANOVA - one
way analysis), the dietary lipid requirement for 15 days of nursery rearing
of Macrobrachium rosenbergii post-larvae was estimated to be 7.5 to 10.0%
under experimental conditions in this study.
Keywords: Macrobrachium rosenbergii, post-larvae, nursery rearing,
formulated diets, lipid requirement

Downloads

Submitted

18-03-2016

Published

01-12-2015

Issue

Section

Articles

How to Cite

Indulkar, S. T., & Belsare, S. G. (2015). EVALUATION OF SOME FORMULATED DIETS FOR RE ING T POST-LARVAE OF MACROBRACHIUM ROSENBERGH. Journal of Indian Fisheries Association, 30. https://epubs.icar.org.in/index.php/JIFA/article/view/56882