<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-0690</journal-id>
<journal-title><![CDATA[Revista Colombiana de Ciencias Pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Colom Cienc Pecua]]></abbrev-journal-title>
<issn>0120-0690</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-06902017000100060</article-id>
<article-id pub-id-type="doi">10.17533/udea.rccp.v30n1a07</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Anesthetic use of eugenol and benzocaine in red tilapia (oreochromis sp.)]]></article-title>
<article-title xml:lang="es"><![CDATA[Uso anestésico de ugenol y benzocaína juveniles de tilapia roja (oreochromis sp.)]]></article-title>
<article-title xml:lang="pt"><![CDATA[Eugenol e benzocaína como anestésicos em juvenis de tilápia vermelha (oreochromis sp.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rucinque]]></surname>
<given-names><![CDATA[Daniel Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Polo]]></surname>
<given-names><![CDATA[Gina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borbón]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mantilla]]></surname>
<given-names><![CDATA[Jaime F González]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia School of Veterinary Medicine and Animal Science Laboratory of Aquatic Toxicology]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade de São Paulo Faculdade de Medicina Veterinária e Zootecnia Laboratório de Epidemiologia e Bioestatística]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>30</volume>
<numero>1</numero>
<fpage>60</fpage>
<lpage>66</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-06902017000100060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-06902017000100060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-06902017000100060&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background:  routine practices such as biometrics, transportation and medical procedures are a source of stress to fish. The use of anesthetics is recommended to reduce undesirable effects of stress, such as decreased feed intake and even mortality -in critical cases.  Objective:  the aim of this study was to determine the anesthetic efficacy of eugenol and benzocaine in juveniles of red tilapia Oreochromis sp.  Methods:  juveniles of red tilapia (n=30), Oreochromis sp., were distributed in groups of 10 individuals as follows; G1: eugenol (50 mg/l), G2: eugenol (100 mg/l) and G3: benzocaine (100 mg/l). The fish were individually placed in the corresponding anesthetic solution. After immersion, times to achieve the different anesthetic stages were recorded. During anesthesia, the fish were measured, weighed and blood samples were collected for glucose and plasma cortisol analysis.  Results:  time to total loss of equilibrium was higher in G3 (p&lt;0.05) compared to the other two groups. No significant differences were observed among groups regarding time to total loss of equilibrium or time to ventilation absence. Glucose levels were significantly higher in G1 (p=0.03) in comparison to G3. However, cortisol levels were higher in G3 as compared to the other groups (p&lt;0.05). 10% mortality was observed in G1 fish.  Conclusions:  present findings indicate that 100 mg/l eugenol leads to induction of anesthesia in less than 3 minutes and recovery in less than 5 minutes, without mortality in juveniles of red tilapia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes:  prácticas de rutina tales como biometría, transporte y procedimientos médicos representan una fuente de estrés para los peces. El uso de anestésicos está recomendado para contrarrestar los efectos nocivos del estrés, tales como disminución en el consumo de alimento y mortalidad en casos críticos.  Objetivo: el presente trabajo buscó determinar la eficacia anestésica del eugenol y benzocaína en juveniles de tilapia roja Oreochromis sp.  Métodos:  en este estudio fueron utilizados 30 juveniles de tilapia roja (Oreochromis sp.) distribuidos en grupos de 10 individuos como sigue; G1: eugenol (50 mg/l), G2: eugenol (100 mg/l) y G3: benzocaína (100 mg/l). Los peces fueron ubicados individualmente en la solución anestésica correspondiente. Después de la inmersión fueron medidos los tiempos para alcanzar los diferentes planos anestésicos. En el tiempo de anestesia, los peces fueron medidos, pesados y colectadas muestras de sangre para análisis de glucosa y cortisol plasmático.  Resultados:  el tiempo de pérdida del eje de nado fue mayor en el G3 (p&lt;0.05). No se encontraron diferencias significativas entre los grupos en el tiempo de recuperación del eje de nado y en el tiempo de ausencia de movimientos operculares. Los niveles de glucosa fueron significativamente mayores en los animales del G1 (p=0.03) respecto al G3. Sin embargo, los niveles de cortisol fueron mayores en el G3 respecto a los otros grupos (p&lt;0.05). Se observó un porcentaje de mortalidad del 10% en los ejemplares del G1.  Conclusiones:  los resultados sugieren que el eugenol a una concentración de 100 mg/l lleva a una inducción anestésica menor a 3 minutos y recuperación menor a 5 minutos sin mortalidad en juveniles de tilapia roja.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Antecedentes:  os procedimentos de rotina tais como a biometria, transporte e procedimentos clínicos são uma fonte de estresse para os peixes. O uso de anestésicos está recomendado para diminuir os efeitos nocivos do estresse, como por exemplo, a diminuição no consumo de alimento e em casos críticos mortalidade.  Objetivo: o presente trabalho buscou determinar a eficácia anestésica do eugenol e da benzocaína em juvenis de tilápia vermelha Oreochromis sp.  Métodos:  neste estudo foram utilizados 30 juvenis de tilápia vermelha (Oreochromis sp.) distribuídos em grupos de 10 indivíduos de acordo ao anestésico utilizado; G1: eugenol (50 mg/l), G2: eugenol (100 mg/l) e G3: benzocaína (100 mg/l). Os animais foram passados pela solução anestésica correspondente, na qual se mediram tempos para atingir os diferentes estádios de anestesia. No tempo de anestesia, os peixes foram medidos, pesados e coletadas amostras do sangue para análise de glicose e cortisol plasmático.  Resultados:  o tempo de pérrdida do eixo de nado foi maior no G3 (p&lt;0.05). Não se encontraram diferenças significativas entre os grupos no tempo de recuperação do eixo de nado e no tempo de ausência de movimentos operculares. Os níveis de glicose foram significativamente maiores nos animais do G1 (p=0.03) respeito ao G3. No entanto, os níveis de cortisol foram maiores no G3 em relação a os outros grupos (p&lt;0.05). Observou-se um percentual de mortalidade de 10% nos exemplares do G1.  Conclusão:  os resultados sugerem que o eugenol a 100 mg/l provoca uma indução anestésica menor a 3 minutos e uma recuperação menor a 5 minutos sem mortalidade em juvenis de tilápia vermelha.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[anesthesia]]></kwd>
<kwd lng="en"><![CDATA[cortisol]]></kwd>
<kwd lng="en"><![CDATA[fish]]></kwd>
<kwd lng="en"><![CDATA[handling]]></kwd>
<kwd lng="en"><![CDATA[recovery]]></kwd>
<kwd lng="en"><![CDATA[stress]]></kwd>
<kwd lng="es"><![CDATA[anestesia]]></kwd>
<kwd lng="es"><![CDATA[cortisol]]></kwd>
<kwd lng="es"><![CDATA[estrés]]></kwd>
<kwd lng="es"><![CDATA[manejo]]></kwd>
<kwd lng="es"><![CDATA[peces]]></kwd>
<kwd lng="es"><![CDATA[recuperación]]></kwd>
<kwd lng="pt"><![CDATA[anestesia]]></kwd>
<kwd lng="pt"><![CDATA[cortisol]]></kwd>
<kwd lng="pt"><![CDATA[estresse]]></kwd>
<kwd lng="pt"><![CDATA[manejo]]></kwd>
<kwd lng="pt"><![CDATA[peixes]]></kwd>
<kwd lng="pt"><![CDATA[recuperação]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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