Influence of glyceryl guaiacolate ether on anesthetics in tilapia compared to benzocaine and eugenol
Journal Title: Revista MVZ Cordoba - Year 2014, Vol 19, Issue 1
Abstract
and compare the times of induction, recovery, hematological changes, total protein and glycaemia among anesthetics in Nile tilapia, Oreochromis niloticus. Materials and methods. A total of 60 tilapia distributed in 3 aquariums (N=20) were used, which formed the group benzocaine (100 mg/L), eugenol (50 mg/L) and guaiacol glyceryl ether (9.000 mg/L). After the induction of anesthesia fish blood samples were collected to determine the complete hemogram and glycemia. Then the animals were placed in aquariums with running water for assessing the anesthesia recovery. Results. It was verified that GGE showed longer induction and recovery times as well a significant increase (p<0.05) of glycemia, when compared with the other groups (p<0.05). The concentration of total protein did not differ between groups (p>0.05). An increase in the number of monocytes in the group treated with benzocaine (p <0.05) was observed in the analysis of the hematological parameters with no difference between groups for other variables. Conclusions. Eugenol and benzocaine allow rapid induction and recovery in Nile tilapia, without evidence of stress during handling and GGE showed high induction and recovery times, being inadequate for anesthetic use in Nile tilapia.
Authors and Affiliations
Geovana R. Cosenza, MV| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil., Gustavo S. Claudiano, M. Sc| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil.Universidade Estadual do Norte do Parana, Laboratorio de Imunopatologia de Peixes, Rodovia BR-369 Km 54,Vila Maria, CP 261,CEP 86360-000, Bandeirantes, Parana, Brazil., Paulo F. Marcusso, M. Sc| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil.Universidade Estadual do Norte do Parana, Laboratorio de Imunopatologia de Peixes, Rodovia BR-369 Km 54,Vila Maria, CP 261,CEP 86360-000, Bandeirantes, Parana, Brazil., Silas F. Eto, M. Sc| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil.Universidade Estadual do Norte do Parana, Laboratorio de Imunopatologia de Peixes, Rodovia BR-369 Km 54,Vila Maria, CP 261,CEP 86360-000, Bandeirantes, Parana, Brazil., Wilson G. Manrique, Ph. D| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil., Bruna A. Loureiro, M. Sc| Universidade Estadual Paulista, Departamento de Zootecnia, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil., Marina T. Shimada, M. Sc| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil., Rogerio Salvador, Ph. D| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil.Universidade Estadual do Norte do Parana, Laboratorio de Imunopatologia de Peixes, Rodovia BR-369 Km 54,Vila Maria, CP 261,CEP 86360-000, Bandeirantes, Parana, Brazil., Julieta RE. Moraes, Ph. D| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil., Flavio R. Moraes, Ph. D *| Universidade Estadual Paulista, Departamento de Patologia Veterinaria, Via Prof. Paulo Donato Castellane km 05, CEP 14.884-900, Jaboticabal, Sao Paulo, Brazil.Universidade Estadual do Norte do Parana, Laboratorio de Imunopatologia de Peixes, Rodovia BR-369 Km 54,Vila Maria, CP 261,CEP 86360-000, Bandeirantes, Parana, Brazil.Correspondence: fruasmoraes@gmail.com
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