Evaluation of oregano essential oil (Origanum heracleoticum L.) on growth, antioxidant effect and resistance against Aeromonas hydrophila in channel catfish (Ictalurus punctatus)

Zheng, Zonglin; Tan, Justin Y.W.; Liu, H.Y.; Zhou, Xingyu; Xiao, Xiang; Wang, K.Y.

doi:10.1016/j.aquaculture.2009.04.025

Cited by 271 publications

(239 citation statements)

References 29 publications

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“…In part, similar findings were observed in Labeo rohita juveniles when fed a diet supplemented with Mucuna pruriens extracts (Ojha et al, 2014), and Achyranthes aspera extracts (Vasudeva et al, 2006), respectively. In addition, improved survival rate, and disease resistance was reported in Ictalurus punctatus juveniles fed dietary Origanum vulgare extracts (Zheng et al, 2009), and in Cyprinus carpio fed dietary Rheum officinal extracts (Xie et al, 2008). This is an indication that medicinal herbal extracts could be used as alternatives to pharmaceutical drugs in fish farming.…”

Section: Introductionmentioning

confidence: 87%

Effects of dietary <i>Aloe vera</i> crude extracts on digestive enzyme activities and muscle proximate composition of GIFT tilapia juveniles

Gabriel

Qiang

et al. 2017

SA J. An. Sci.

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This study investigated the effects of dietary Aloe vera powder extract on the activities of digestive enzymes and muscle composition of Oreochromis niloticus (GIFT strain) juveniles. Five dietary groups were formulated in which A. vera powder was added into a tilapia feed at 0.5%, 1.0%, 2.0%, and 4%/kg feed, and fed for eight weeks. Amylase, trypsin, and lipase activities in the liver and along the alimentary canal (stomach, midgut, and hindgut) varied significantly between dietary groups. Amylase activity was significantly enhanced in the liver of fish fed 0.5, 1, and 2% dietary A. vera, and in the stomach of those fed 1%. Total amylase activity in the gastrointestinal tract (total gut) was significantly enhanced in fish fed 0.5% and 1% compared with control and those fed 4% dietary A. vera. Trypsin activity was significantly enhanced in the stomach of fish supplemented with 0.5% dietary A. vera and in the duodenum of those supplemented with 1%, 2%, and 4% dietary A. vera when compared with the control. Lipase activity was increased in the duodenum of fish fed 1.0% dietary A. vera when compared with the control. Muscle moisture content was significantly lower in all A. vera-supplemented fish, whereas protein was lower in those fed 2% and 4% A. vera diet when compared with the control. Based on second-order polynomial regression analysis, dietary A. vera inclusion level less than or equal to 1.76%, 1.82%, 2.10%/kg feed was determined to be suitable in enhancing carbohydrate, protein and lipid digestion, respectively, in GIFT tilapia in this study. ______________________________________________________________________________________

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Section: Introductionmentioning

confidence: 87%

Effects of dietary <i>Aloe vera</i> crude extracts on digestive enzyme activities and muscle proximate composition of GIFT tilapia juveniles

Gabriel

Qiang

et al. 2017

SA J. An. Sci.

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“…The addition of 0.5% of Massa medicata, Crataegi fructus, Artemisia capillaries or Cnidium officinale to the diet led to better use of lipids in stress and recovery of Pagrus major (Ji et al, 2009). The use of the oregano essential oil (Origanum heracleoticum) as a supplement in the food improved growth, antioxidant status and resistance against Aeromonas hydrophila in channel catfish (Ictalurus punctatus) (Zheng et al, 2009) and the extract of Allium sativum in the diet also promoted growth and reduced mortality rate of Nile tilapia (Oreochromis niloticus) challenged with Aeromonas hydrophila (Shalaby et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Rhamdia quelen (Quoy & Gaimard, 1824), submitted to a stressful condition: effect of dietary addition of the essential oil of Lippia alba on metabolism, osmoregulation and endocrinology

et al. 2015

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The aim of this study was to evaluate the effect of the essential oil of Lippia alba (EOLA) as a feed additive on ionoregulatory and metabolic parameters and pituitary hormones expression in silver catfish, Rhamdia quelen, submitted to a stressful condition (stocking density of 10.6 kg m -3 and limited space). Fish were fed with different concentrations of EOLA (0.0 -control, 0.25 and 0.50 mL kg food -1 ) for 20 days. Metabolic parameters were not affected by the diet, with the exception of alanine aminotransferase, which was higher in the liver of fish fed 0.50 mL EOLA kg food -1. Plasma ions and activity of H + -ATPase did not change, but fish fed 0.25 mL EOLA kg food -1 presented higher Na + /K + -ATPase activity. Somatolactin expression in the pituitary was higher in the fish fed 0.25 mL EOLA kg food, but the expression of growth hormone and prolactin did not change. Therefore, dietary EOLA does not exert a protective effect in R. quelen submitted to a stressful situation because it did not alter most measured parameters. The use of 0.25 mL EOLA kg food -1 seems to be more suitable than 0.50 mL EOLA kg food -1 since the latter may be related to liver damage.O objetivo deste estudo foi avaliar o efeito do óleo essencial de Lippia alba (OELA) como aditivo em rações na ionoregulação, parâmetros metabólicos e expressão de hormônios hipofisários em jundiás, Rhamdia quelen, submetidos a uma situação estressante (densidade de estocagem de 10,6 kg m -3 e espaço limitado). Os peixes foram alimentados com diferentes concentrações de OELA (0,0 -controle, 0,25 e 0,50 mL kg de ração -1 ) durante 20 dias. Parâmetros metabólicos não foram afetados pela dieta, com a exceção da alanina aminotransferase, que foi mais elevada no fígado dos peixes alimentados com 0,50 mL de OELA kg de ração -1. Íons plasmáticos e a atividade da H + -ATPase não apresentaram nenhuma alteração, mas os peixes alimentados com 0,25 mL OELA kg de ração -1 apresentaram maior atividade da Na + / K + -ATPase. A expressão da somatolactina na hipófise de peixes alimentados com 0,25 mL OELA kg de ração -1 aumentou, porém a expressão do hormônio de crescimento e da prolactina não mudou. Portanto, a adição do OELA na ração não tem um efeito protetor em jundiás submetidos a uma situação estressante, pois não influiu na maioria dos parâmetros medidos. O uso de 0,25 mL OELA kg de ração -1 parece ser mais adequado que 0,50 mL OELA kg de ração -1, uma vez que este nível de inclusão pode estar relacionado a danos hepáticos.

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“…A challenge test with V. vulnificus showed 100% mortality in O. mossambicus fed the control diet by day 15, whereas the fish fed the experimental diets registered only 63-80% mortality at the end of challenge experiment (30 days) (Immanuel et al, 2009). Interestingly, channel catfish (Ictalurus punctatus) fed with the natural oregano EO extracted from Origanum heracleoticum had the lowest mortality following an Aeromonas hydrophila infection compared with fish fed a combination of carvacrol and thymol, which are the principal active components of oregano EO (Zheng et al, 2009). These results highlight the fact that the use of the entire EO is more effective than treating with a combination of its principal components.…”

Section: Essential Oils: Antibacterial Properties and Potential Applimentioning

confidence: 47%

Antibiotics in Aquaculture – Use, Abuse and Alternatives

Romero¹,

Feijóo²,

Navarrete³

2012

Health and Environment in Aquaculture

334

329

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Evaluation of oregano essential oil (Origanum heracleoticum L.) on growth, antioxidant effect and resistance against Aeromonas hydrophila in channel catfish (Ictalurus punctatus)

Cited by 271 publications

References 29 publications

Effects of dietary <i>Aloe vera</i> crude extracts on digestive enzyme activities and muscle proximate composition of GIFT tilapia juveniles

Effects of dietary <i>Aloe vera</i> crude extracts on digestive enzyme activities and muscle proximate composition of GIFT tilapia juveniles

Rhamdia quelen (Quoy & Gaimard, 1824), submitted to a stressful condition: effect of dietary addition of the essential oil of Lippia alba on metabolism, osmoregulation and endocrinology

Antibiotics in Aquaculture – Use, Abuse and Alternatives

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