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da Silva MCC, Ullony KM, de Araújo GR, Jorge-Neto PN, Albuquerque VB, Caramalac SM, de Oliveira AR, Zanella R, Marques MG, Csemark AC, Luczinski TC, Frazílio FDO, Silva EVDCE, de Deco-Souza T. Can detomidine replace medetomidine for pharmacological semen collection in domestic cats? Anim Reprod 2021; 18:e20210017. [PMID: 34249155 PMCID: PMC8253561 DOI: 10.1590/1984-3143-ar2021-0017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/07/2021] [Indexed: 11/22/2022] Open
Abstract
Among the different methods used for semen collection from domestic cats, the pharmacological collection by urethral catheterization becomes disruptive. Medetomidine is the elected α2-adrenoceptor agonist for that, but in several countries, it is not commercially available. This study aimed to evaluate the efficacy of detomidine compared to medetomidine in collecting semen by urethral catheterization in domestic cats. Urethral catheterization was performed on 13 mongrel cats using a disposable semi-rigid tomcat urinary catheter. Of the 19 semen collections performed with medetomidine induction, 94.7% were successful, while with detomidine induction, only 56.3% of 16 were successful. The values semen samples variables were as follows for volume - 10.56 ± 0.4 vs 8.88 ± 0.5 mL, motility - 171.67 ± 0.79 vs 49.77 ± 3.45%, vigor - 4.1 ± 0.03 vs 3.10 ± 0.1 and concentration - 3.24 ± 0.19 vs 2.15 ± 0.13 ×109 sperm/mL respectively for medetomidine and detomidine group. The failure in semen collections with detomidine was mainly due to azoospermic samples, poor urethral relaxation, insufficient volume, or contamination of urine. The sperm concentration was also lower in the detomidine group (P <0.05) when compared to medetomidine. However, when the volume of semen collected was compared, we found no statistical differences. Despite its low performance in collecting semen from cats, detomidine may be an alternative when medetomidine is not accessible.
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Affiliation(s)
- Maitê Cardoso Coelho da Silva
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil.,Instituto Reprocon, Campo Grande, MS, Brasil
| | - Karitha Marques Ullony
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil
| | - Gediendson Ribeiro de Araújo
- Instituto Reprocon, Campo Grande, MS, Brasil.,Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Br.asil
| | - Pedro Nacib Jorge-Neto
- Instituto Reprocon, Campo Grande, MS, Brasil.,Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Verônica Batista Albuquerque
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil
| | - Simone Marques Caramalac
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil
| | - Alice Rodrigues de Oliveira
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil
| | - Ricardo Zanella
- Faculdade de Agronomia e Medicina Veterinária, Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, RS, Brasil
| | | | - Antonio Carlos Csemark
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil.,Instituto Reprocon, Campo Grande, MS, Brasil
| | - Thiago Cavalheri Luczinski
- Instituto Reprocon, Campo Grande, MS, Brasil.,Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil
| | | | | | - Thyara de Deco-Souza
- Faculdade de Medicina Veterinária e Zootecnia, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brasil.,Instituto Reprocon, Campo Grande, MS, Brasil
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