Exploring the Suitable Temperature and Diet for Growth and Gastric Emptying Time of Juvenile Malabar Blood Snapper (Lutjanus malabaricus Bloch & Schneider, 1801)

Sabuj Kanti Mazumder, Mazlan Abd. Ghaffar, Simon Kumar Das

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this study we analyzed the effects of water temperature and diet on the growth properties and gastric emptying period of juvenile Malabar blood snapper (Lutjanus malabaricus) over a 30 day experimental period. Fish were collected from a local hatchery of Pulau Ketam, Selangor, Malaysia and immediately transferred to flow-through sea water system and subjected to four different temperatures (22, 26, 30, and 34 °C) and two diets (formulated pellet and shrimp). Body weight gain, food consumption, food conversion ratio, food consumption efficiency, specific growth rate, relative growth rate, daily growth rate, and gastric emptying time were significantly influenced by temperature and diet (P < 0.05). The best food conversion ratio was with the shrimp fed group recorded at 30 °C (1.33 ± 0.08). The highest growth rate was also observed in the shrimp fed group at 30 °C (3.97 ± 0.57% day −1 ), and the lowest was observed in the formulated pellet fed group at 22 °C (1.63 ± 0.29% day −1 ). No significant difference was observed between the groups subjected to temperatures of 26 and 30 °C. Similarly, the lowest gastric emptying period was detected in the shrimp fed group at 30 °C (16 h), where the proportion of meal residues in the stomach decreased from 100% to less than 8% after 12 h of starvation. A significantly longer gastric emptying period was observed in the formulated pellet fed group at 22 °C (28 h). Overall, the best results were observed on shrimp fed group subjected to a 30 °C temperature. The data obtained from this study suggest that a shrimp diet fed on L. malabaricus at 30 °C will optimize the commercial production of this important fish species.

Original languageEnglish
Pages (from-to)29-41
Number of pages13
JournalThalassas
Volume35
Issue number1
DOIs
Publication statusPublished - 15 Apr 2019

Fingerprint

Lutjanus
gastric emptying
snapper
shrimp
blood
diet
food consumption
temperature
pelleted feeds
food conversion
food
fish
starvation
hatchery
water temperature
fish production
seawater
specific growth rate
Malaysia
hatcheries

Keywords

  • Aquaculture
  • Diet
  • Gastric emptying time
  • Growth
  • Malabar blood snapper
  • Temperature

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

Cite this

Exploring the Suitable Temperature and Diet for Growth and Gastric Emptying Time of Juvenile Malabar Blood Snapper (Lutjanus malabaricus Bloch & Schneider, 1801). / Mazumder, Sabuj Kanti; Abd. Ghaffar, Mazlan; Das, Simon Kumar.

In: Thalassas, Vol. 35, No. 1, 15.04.2019, p. 29-41.

Research output: Contribution to journalArticle

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abstract = "In this study we analyzed the effects of water temperature and diet on the growth properties and gastric emptying period of juvenile Malabar blood snapper (Lutjanus malabaricus) over a 30 day experimental period. Fish were collected from a local hatchery of Pulau Ketam, Selangor, Malaysia and immediately transferred to flow-through sea water system and subjected to four different temperatures (22, 26, 30, and 34 °C) and two diets (formulated pellet and shrimp). Body weight gain, food consumption, food conversion ratio, food consumption efficiency, specific growth rate, relative growth rate, daily growth rate, and gastric emptying time were significantly influenced by temperature and diet (P < 0.05). The best food conversion ratio was with the shrimp fed group recorded at 30 °C (1.33 ± 0.08). The highest growth rate was also observed in the shrimp fed group at 30 °C (3.97 ± 0.57{\%} day −1 ), and the lowest was observed in the formulated pellet fed group at 22 °C (1.63 ± 0.29{\%} day −1 ). No significant difference was observed between the groups subjected to temperatures of 26 and 30 °C. Similarly, the lowest gastric emptying period was detected in the shrimp fed group at 30 °C (16 h), where the proportion of meal residues in the stomach decreased from 100{\%} to less than 8{\%} after 12 h of starvation. A significantly longer gastric emptying period was observed in the formulated pellet fed group at 22 °C (28 h). Overall, the best results were observed on shrimp fed group subjected to a 30 °C temperature. The data obtained from this study suggest that a shrimp diet fed on L. malabaricus at 30 °C will optimize the commercial production of this important fish species.",
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