Application of phytochemicals as growth-promoters and endocrine modulators in fish culture

Suman B. Chakraborty, P. Horn, Csaba Hancz

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

There is a constant need to increase productivity in aquaculture, particularly to improve growth rate, feed utilization as well as stress resistance of fish. Because of consumer concerns and strict regulations in many countries, the use of synthetic chemicals, hormones and antibiotics is becoming unviable and natural compounds are more acceptable to the public. A wide variety of chemical compounds are found in plants, and many of them have been shown to have beneficial effects on appetite, growth and the immune status of fish acting through different mechanisms. Phytochemicals contained in herbs may enhance the innate immune system, possess antimicrobial capabilities, and are redox active molecules with antioxidant characteristics that may help to improve the general physiological condition of fish. Many studies have discussed the values of phytochemicals as feed additives. Another paramount concern related to phytochemicals is their endocrine modulator effect that can be applied both in aquaculture targeting the production of table fish and the growing sector of ornamental fish production. Different mechanisms such as the effects at the steroid receptor level, effects on steroid synthesis, distribution and excretion, actions on the hypothalamus-pituitary-gonad axis, as well as indirect mechanisms including thyroid and growth hormone disruption have been postulated for the reproductive endocrine disruption in fish populations by phytochemicals. This paper reviews the results of a great number of studies focusing on phytochemicals such as essential oils, saponins, flavonoids and phytosterols discussing their effects on productive traits and the putative mechanism of action.

Original languageEnglish
Pages (from-to)1-19
Number of pages19
JournalReviews in Aquaculture
Volume6
Issue number1
DOIs
Publication statusPublished - Jan 2014

Fingerprint

fish culture
phytopharmaceuticals
promoter regions
fish
steroid
aquaculture
hormone
ornamental fish
fish production
chemical compounds
feed additives
phytosterols
stress resistance
thyroid hormones
hypothalamus
appetite
saponins
chemical compound
essential oil
stress tolerance

Keywords

  • Endocrine modulators
  • Fish culture
  • Growth promotion
  • in vivo application
  • Mechanism of action
  • Phytochemicals

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology
  • Management, Monitoring, Policy and Law

Cite this

Application of phytochemicals as growth-promoters and endocrine modulators in fish culture. / Chakraborty, Suman B.; Horn, P.; Hancz, Csaba.

In: Reviews in Aquaculture, Vol. 6, No. 1, 01.2014, p. 1-19.

Research output: Contribution to journalArticle

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