Effects of dietary microencapsulated <Emphasis Type="Italic">Cymbopogon flexuosus</Emphasis> essential oil on reproductive-related parameters in male <Emphasis Type="Italic">Rhamdia quelen</Emphasis> |
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| Authors: | " target="_blank">Carine de Freitas Souza Cristine Rampelotto Bruno Bianchi Loureiro Fernanda Alves Pereira Adriane Erbice Bianchini Carine Dahl Corcini Antonio Sergio Varela Junior Tatiana Emanuelli Leila Picolli da Silva Sílvio Teixeira da Costa Kalyne Bertolin Monique Tomazele Rovani Paulo Bayard Dias Gonçalves Berta Maria Heinzmann Bernardo Baldisserotto |
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| Institution: | 1.Department of Physiology and Pharmacology,Universidade Federal de Santa Maria (UFSM),Santa Maria,Brazil;2.Department of Food Science and Technology,Universidade Federal de Santa Maria (UFSM),Santa Maria,Brazil;3.ReproPel, Veterinary Faculty,Universidade Federal de Pelotas (UFPEL),Pelotas,Brazil;4.Comparative Animal Reproduction, Institute of Biological Sciences,Universidade Federal do Rio Grande (FURG),Rio Grande,Brazil;5.Department of Animal Science,Universidade Federal de Santa Maria (UFSM),Santa Maria,Brazil;6.Laboratory of Biotechnology and Animal Reproduction (BioRep),Universidade Federal de Santa Maria (UFSM),Santa Maria,Brazil;7.Department of Industrial Pharmacy,Universidade Federal de Santa Maria (UFSM),Santa Maria,Brazil |
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| Abstract: | In aquaculture, nutrition and supplemented diets have been shown to affect broodstock reproductive performance. In this study, we investigated the effects of dietary supplementation with Cymbopogon flexuosus essential oil (CFEO) microcapsules on reproductive-related parameters in silver catfish (Rhamdia quelen) male broodfish. Adult male broodstocks were separated into three groups according to the concentrations of supplemented CFEO (0.0?=?control; 1.0 or 3.0 mL per kg of diet). After 20 days under experimental conditions, the animals were euthanized and the gonads were harvested for gonadosomatic index, sperm analysis, oxidative stress, and histopathology; testosterone levels were measured in the plasma; gene expression of prl, smtl, pomca, and pomcb was assessed in the pituitary gland by real-time PCR. The results showed no alterations on reproductive parameters in R. quelen males treated with Cymbopogon flexuosus essential oil compared to the control-diet animals. In conclusion, CFEO microcapsules supplied for 20 days in the concentrations of 1.00 or 3.00 mL per kilogram of diet did not affect the reproduction criteria evaluated in this study in male silver catfish. |
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