PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE

Detalhes bibliográficos
Autor(a) principal: Almeida, Ricardo Miyasaka
Data de Publicação: 2008
Outros Autores: Valadão, Carlos Augusto Araújo, Reis, Renata Gemio
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência animal brasileira (Online)
Texto Completo: https://revistas.ufg.br/vet/article/view/1023
Resumo: The alpha-2 agonists have sedative, analgesic and muscle relaxation properties in cattle. The ketamine is useful in anesthetic protocols as an inductor agent and it produces analgesia and anesthesia. The combination of ketamine with other drugs is necessary considering that it causes deleterious effects like catalepsy and muscle spasticity if given alone. This study evaluated clinical and behavioral effects of xylazine-ketamine or amitraz-ketamine combinations in twenty–one calves. The ketamine increased heart rate in amitraz and control groups. The respiratory rate increased in all experimental groups, restoring the basal values after 25 minutes. The ruminal motility was kept inhibited along whole observation period. It was concluded that xylazine-ketamine combination produced better sedation and muscle relaxation than amitraz-ketamine combination, characterized by a larger incidence of recumbency and by the absence of catalepsy. Both anesthetic protocols were safe for use in cattle, however, xylazine showed a better option as a preanesthetic medication. KEY WORDS: Amitraz, cattle, ketamine, xylazine.
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spelling PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINEINFLUÊNCIA DA PRÉ-MEDICAÇÃO COM AMITRAZ OU XILAZINA NA INDUÇÃO ANESTÉSICA DE BOVINOS COM CETAMINAamitrazcetaminabovinosxilazinaThe alpha-2 agonists have sedative, analgesic and muscle relaxation properties in cattle. The ketamine is useful in anesthetic protocols as an inductor agent and it produces analgesia and anesthesia. The combination of ketamine with other drugs is necessary considering that it causes deleterious effects like catalepsy and muscle spasticity if given alone. This study evaluated clinical and behavioral effects of xylazine-ketamine or amitraz-ketamine combinations in twenty–one calves. The ketamine increased heart rate in amitraz and control groups. The respiratory rate increased in all experimental groups, restoring the basal values after 25 minutes. The ruminal motility was kept inhibited along whole observation period. It was concluded that xylazine-ketamine combination produced better sedation and muscle relaxation than amitraz-ketamine combination, characterized by a larger incidence of recumbency and by the absence of catalepsy. Both anesthetic protocols were safe for use in cattle, however, xylazine showed a better option as a preanesthetic medication. KEY WORDS: Amitraz, cattle, ketamine, xylazine.Os agonistas alfa-2 são muito utilizados como medicação pré-anestésica na espécie bovina, promovendo sedação, analgesia e miorrelaxamento, enquanto a cetamina, em virtude de suas propriedades analgésicas e simpatomiméticas, tem ótimo uso na indução anestésica. Com isso, estudaram-se os efeitos clínicos e cardiovasculares da indução anestésica intravenosa por cetamina em 21 bovinos pré-tratados com xilazina ou amitraz pela via intravenosa. A cetamina aumentou a freqüência cardíaca nos grupos amitraz e controle, o que não ocorreu no grupo xilazina. Houve aumento da pressão arterial sistólica durante os primeiros cinco minutos após a administração dos agonistas alfa-2. A freqüência respiratória elevou-se após a administração de cetamina até os 25 minutos, independentemente do pré-tratamento. A motilidade rumenal diminuiu durante todo o período experimental nos grupos que receberam agonistas alfa-2. A anestesia dissociativa produziu fasciculações e contrações musculares nos grupos amitraz e controle. Concluiu-se que os efeitos do amitraz foram similares aos da xilazina, porém esta última promoveu maior sedação e relaxamento muscular, abolindo os efeitos catalépticos da cetamina. Ambos os protocolos anestésicos mostraram-se seguros para o uso em bovinos, porém a xilazina demonstrou melhor opção na medicação pré-anestésica. PALAVRAS-CHAVES: Amitraz, bovinos, cetamina, xilazina.Universidade Federal de Goiás2008-07-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por parespesquisaapplication/pdfhttps://revistas.ufg.br/vet/article/view/102310.5216/cab.v9i2.1023Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 9 No. 2 (2008); 402-409Ciência Animal Brasileira / Brazilian Animal Science; v. 9 n. 2 (2008); 402-4091809-68911518-2797reponame:Ciência animal brasileira (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporhttps://revistas.ufg.br/vet/article/view/1023/3717Almeida, Ricardo MiyasakaValadão, Carlos Augusto AraújoReis, Renata Gemioinfo:eu-repo/semantics/openAccess2012-09-18T23:42:51Zoai:ojs.revistas.ufg.br:article/1023Revistahttps://revistas.ufg.br/vetPUBhttps://revistas.ufg.br/vet/oai||revistacab@gmail.com1809-68911518-2797opendoar:2024-05-21T19:54:46.820266Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
INFLUÊNCIA DA PRÉ-MEDICAÇÃO COM AMITRAZ OU XILAZINA NA INDUÇÃO ANESTÉSICA DE BOVINOS COM CETAMINA
title PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
spellingShingle PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
Almeida, Ricardo Miyasaka
amitraz
cetamina
bovinos
xilazina
title_short PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
title_full PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
title_fullStr PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
title_full_unstemmed PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
title_sort PREMEDICATION WITH AMITRAZ OR XYLAZINE FOR ANESTHETIC INDUCTION OF CATTLE WITH KETAMINE
author Almeida, Ricardo Miyasaka
author_facet Almeida, Ricardo Miyasaka
Valadão, Carlos Augusto Araújo
Reis, Renata Gemio
author_role author
author2 Valadão, Carlos Augusto Araújo
Reis, Renata Gemio
author2_role author
author
dc.contributor.author.fl_str_mv Almeida, Ricardo Miyasaka
Valadão, Carlos Augusto Araújo
Reis, Renata Gemio
dc.subject.por.fl_str_mv amitraz
cetamina
bovinos
xilazina
topic amitraz
cetamina
bovinos
xilazina
description The alpha-2 agonists have sedative, analgesic and muscle relaxation properties in cattle. The ketamine is useful in anesthetic protocols as an inductor agent and it produces analgesia and anesthesia. The combination of ketamine with other drugs is necessary considering that it causes deleterious effects like catalepsy and muscle spasticity if given alone. This study evaluated clinical and behavioral effects of xylazine-ketamine or amitraz-ketamine combinations in twenty–one calves. The ketamine increased heart rate in amitraz and control groups. The respiratory rate increased in all experimental groups, restoring the basal values after 25 minutes. The ruminal motility was kept inhibited along whole observation period. It was concluded that xylazine-ketamine combination produced better sedation and muscle relaxation than amitraz-ketamine combination, characterized by a larger incidence of recumbency and by the absence of catalepsy. Both anesthetic protocols were safe for use in cattle, however, xylazine showed a better option as a preanesthetic medication. KEY WORDS: Amitraz, cattle, ketamine, xylazine.
publishDate 2008
dc.date.none.fl_str_mv 2008-07-09
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Avaliado por pares
pesquisa
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/vet/article/view/1023
10.5216/cab.v9i2.1023
url https://revistas.ufg.br/vet/article/view/1023
identifier_str_mv 10.5216/cab.v9i2.1023
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufg.br/vet/article/view/1023/3717
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Goiás
publisher.none.fl_str_mv Universidade Federal de Goiás
dc.source.none.fl_str_mv Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 9 No. 2 (2008); 402-409
Ciência Animal Brasileira / Brazilian Animal Science; v. 9 n. 2 (2008); 402-409
1809-6891
1518-2797
reponame:Ciência animal brasileira (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Ciência animal brasileira (Online)
collection Ciência animal brasileira (Online)
repository.name.fl_str_mv Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv ||revistacab@gmail.com
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