The gene regulatory roles of herbal extracts on the growth, immune system, and reproduction of fish

The crucial need for safe and healthy aquatic animals obligates researchers in aquaculture to investigate alternative and beneficial additives. Medicinal herbals and their extracts are compromised with diverse effects on the performances of aquatic animals. These compounds can affect growth performance and stimulate the immune system when used in fish diet. In addition, the use of medicinal herbs and their extracts can reduce oxidative stress induced by several stressors during fish culture. Correspondingly, aquatic animals could gain increased resistance against infectious pathogens and environmental stressors. Nevertheless, the exact mode of action where these additives can affect aquatic animals’ performances is still not well documented. Understanding the mechanistic role of herbal supplements and their derivatives is a vital tool to develop further the strategies and application of these additives for feasible and sustainable aquaculture. Gene-related studies have clarified the detailed information on the herbal supplements’ mode of action when administered orally in aquafeed. Several review articles have presented the potential roles of medicinal herbs on the performances of aquatic animals. However, this review article discusses the outputs of studies conducted on aquatic animals fed dietary, medicinal herbs, focusing on the gene expression related to growth and immune performances. Furthermore, a particular focus is directed to the expected influence of herbal supplements on the reproduction of aquatic animals. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Ahmadifar E.1 , Fallah H.P.2 , Yousefi M. 3 , Dawood M.A.O.4 , Hoseinifar S.H.5 , Adineh H.6 , Yilmaz S.7 , Paolucci M.8 , Van Doan H.
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  • 1 Department of Fisheries, Faculty of Natural Resources, University of Zabol, Zabol, 98613-35856, Iran
  • 2 Department of Medicine, University of British Columbia, Vancouver, BC V1Y 1T3, Canada
  • 3 Department of Veterinary Medicine, Peoples’ Friendship, University of Russia (RUDN University), 6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation
  • 4 Department of Animal Production, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
  • 5 Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, 4918943464, Iran
  • 6 Department of Fisheries, Faculty of Ariculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Golestan, 4971799151, Iran
  • 7 Department of Aquaculture, Faculty of Marine Sciences and Technology, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey
  • 8 Department of Science and Technologies, University of Sannio, Benevento, 82100, Italy
  • 9 Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand
Ключевые слова
Aquaculture; Gene regulations; Growth; Herbal extracts; Immunity
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