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Protocolos para contenção química e eletroejaculação para coleta de sêmen de queixadas (Tayassu pecari) / Chemical restraining and electroejaculation protocols for semen collection in white-lipped peccary (Tayassu pecari)

Vieira, Renan Luiz Albuquerque; Barros, Celso Henrique Souza Costa; Costa, Thaise da Silva Oliveira; Feliciano, Marcus Antônio Rossi; Nogueira-Filho, Sérgio Luiz Gama.
Acta sci. vet. (Online); 49: Pub. 1802, 16 abril 2021. tab
Artigo em Português | VETINDEX | ID: vti-762304


Background: In order to reverse the White-lipped peccary decline, besides protecting its habitat and controlling hunting,it is necessary a captive breeding program. There are reports, however, on the low fertility of white-lipped peccary, makingit difficult its reproduction in captivity, making artificial insemination one of the main tools to prevent the loss of geneticdiversity of species kept in captivity. Information on safe methods of anesthesia and the collection of semen should beinvestigated. Therefore, we aimed to compare the effects of the anesthetic protocols acepromazine/ketamine and xylazine/ketamine, as well as electroejaculation protocols, for semen collection in white-lipped peccary (Tayassu pecari).Materials, Methods & Results: Twelve adult male white-lipped peccaries were submitted both to the xylazine/ketamineand acepromazine/ketamine anesthetic protocols. The anesthetic induction time and duration, the degree of muscle relaxation, the time for anesthetic recovery and the quality of the animals recovery were evaluated. Additionally, the qualityof the sedation was evaluated based on the animals behavior. We also evaluated the effect of drugs on erectile functionsas well as the efficiency of 3 electroejaculation protocols with increasing or fixed voltages (2 to 4 V; 5 to 12 V; 12 V). Theacepromazine/ketamine combination promotes shorter induction time, duration and recovery from anesthesia than thexylazine/ketamine association. There were no differences, however, between the tested anesthetic protocols in relation toheart rate, respiratory rate and temperature. Ejaculate was obtained from only 2 animals when using the xylazine/ketamineprotocol and adoption of stimuli between 5 and 12 V, with 10 stimuli at each voltage. In turn, ejaculate was obtained from4 animals submitted to the acepromazine/ketamine protocol, 3 of them with the adoption of stimuli between 5 and 12 V...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1