Effects of Fatty Acid and Vitamin C Enrichment in Rotifer and Artemia on Survival, Growth and Development of the Mandarinfish Larvae, Synchiropus splendidus (Herre,1927)

Authors

  • Siriwan Choosri สถาบันวิทยาศาสตร์ทางทะเล มหาวิทยาลัยบูรพา
  • Wilaiwan Phuangsanthia สถาบันวิทยาศาสตร์ทางทะเล มหาวิทยาลัยบูรพา
  • Worakan Sathienvongnusar คณะวิทยาศาสตร์ มหาวิทยาลัยบูรพา

Abstract

The objective of the present study was to examine the affect of fatty acid and vitamin C enrichment in rotifers (Brachionus plicatilis) and Artemia sp. on their survival, growth and larval development time. The experiments were set on vitamin C concentration of 0, 100, 200 and 300 mg/l. The experimental design was 4×3 completely randomized design. The 20 larvae/l were reared in 5 l of 33 - 34 ppt. seawater for a period of 45 days. All treatments, the fish aged between 1 - 20 days old were fed with rotifers at a ratio of 20 individuals/ml and then they were switched to Artemia sp. at a ratio of 3 individuals/ml from day 21 onwards. There were no significant differences (p > 0.05) between the treatments in their survival rate, growth and larval development time and the fish fed the enriched-live feeds at a ratio of 0 mg/l showed the best survival rate (8.00±3.60%). The highest standard and total lengths of the larvae were found in those fed the 200 mg/l (1.00±1.00, 1.16±3.09 centimeter). The larvae fed at 300 mg/l also had the highest average weight (0.053±0.02 gram). All the larvae completed their metamorphosis within 20 days, with the first larvae recorded as completing their metamorphosis on day 11. Mandarinfish larval rearing should feeding with vitamin C enriched live foods 200 and 300 mg/l for the growth of the larvae.   Keywords :  Mandarinfish, vitamin C, rotifer, Artemia

Author Biography

Worakan Sathienvongnusar, คณะวิทยาศาสตร์ มหาวิทยาลัยบูรพา

   

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Published

2018-10-24