Pyrroloquinoline quinone supplemented diet enhances metabolism, feed intake and growth in common carp (Cyprinus carpio Linnaeus, 1758) reared at low temperature


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Authors

  • Gopika Radhakrishnan
  • Ashutosh D Deo Fish Nutrition biochemistry and Physiology Division ICAR-Central Institute of Fisheries Education
  • N. Shamna
  • Anakhy Mondal
  • Aklakur MD
  • Eldo Varghese
  • Narottam Prasad Sahu

https://doi.org/10.21077/ijf.2022.69.3.113674-09%20

Abstract

A pilot study was conducted to delineate the potential of dietary pyrroloquinoline quinone (PQQ) on Cyprinus carpio
Linnaeus, 1758, at water temperature of 12-14oC using a recirculatory system with water flow rate of 1.8 l min-1.
Six isonitrogenous (32% CP) and iso-caloric (16.7 MJ kg-1) diets were prepared with varying levels of PQQ viz. control
(0 mg kg-1), T1 (0.2 mg kg-1), T2 (0.4 mg kg-1), T3 (0.6 mg kg-1), T4 (0.8 mg kg-1) and T5 (1.0 mg kg-1). Two hundred
and sixteen common carp juveniles were distributed randomly into control and five treatment groups in triplicates with 12 fish per tub and fed twice daily at satiation level for 30 days. Results indicated that dietary quinone at 0.8 mg kg-1 significantly increased the feed intake and weight gain, specific growth rate (SGR), feed conversion ratio (FCR) as well as protein efficiency ratio (PER) were significantly higher (p<0.05) than non-quinone fed group. The thyroid hormone levels as well as digestive and metabolic enzyme activities were significantly higher (p<0.05) in treatments than in control. The superoxide dismutase (SOD) activity in liver was significantly higher (p<0.05) in T1, T2 and T5. Catalase activity in gill was significantly higher (p<0.05) in control and lowest in T3 and T4. Therefore, quinone can be used as a feed additive for enhancing feed intake, enzymatic activities and growth during winter.

Keywords: Feed additive, Feed intake, Metabolism, Pyrroloquinoline quinone, Winter feeding

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Author Biography

Ashutosh D Deo, Fish Nutrition biochemistry and Physiology Division ICAR-Central Institute of Fisheries Education

Dr Ashutosh Dharmendra Deo
Senior Scientist
Fish Nutrition biochemistry and Physiology Division
ICAR-Central Institute of Fisheries Education

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Submitted

2021-08-09

Published

2022-09-30

How to Cite

Radhakrishnan, G., Deo, A. D., N. Shamna, Mondal, A., MD, A., Varghese, E., & Narottam Prasad Sahu. (2022). Pyrroloquinoline quinone supplemented diet enhances metabolism, feed intake and growth in common carp (Cyprinus carpio Linnaeus, 1758) reared at low temperature. Indian Journal of Fisheries, 69(3). https://doi.org/10.21077/ijf.2022.69.3.113674-09

Issue

Vol. 69 No. 3 (2022)

Section

Articles

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