INDUCTION OF PARTURITION USING TRIAMCINOLONE PRETREATMENT IN PREGNANT RECIPIENTS OF IN VITRO PRODUCED EMBRYO

Authors

  • Luiz Fabiano Coelho de Rezende Firmasa Tecnologia para Pecuária
  • Carmem Estefânia Serra Neto Zúccari UFMS
  • Eliane Vianna da Costa e Silva UFMS
  • Carlos Ronaldo Lima de Rezende Firmasa Tecnologia para Pecuária
  • Luiz Fernando Tonissi Nasser Firmasa Tecnologia para Pecuária
  • Urbano Gomes Pinto de Abreu Embrapa Pantanal

DOI:

https://doi.org/10.5216/cab.v10i1.1821

Keywords:

acetato de triancinolona, indução de parto, retenção de placenta, embriões PIV

Abstract

The aim of the present study was to evaluate the effect of two doses of acetonide triamcinolone (TRI) at two distinct moments of gestation in the pre induction of parturition. Embryo recipients pregnant of the in vitro produced embryo were utilized as experimental model. A total of 175 pregnant embryo recipients were assigned into one of the four groups according to gestational period (280 or 285 days) and utilized dose of the TRI (1mg/60Kg or 1mg/100kg of body weight). The synchronization and assistance rates of the calving, the viability and body weight of calves at calving as well as retained placenta rate were evaluated. The TRI dose did not effect any variables responses (p>0.05). Least spread of the calving moment was observed in the recipients treated at the 280 days of gestation (p?0.05). The cow calving calf with ?42kg needed more assistance to calving (p?0.05) and these calves had lower viability than calves with <42Kg of the body weight (p?0.05). The data suggested that, independent of dose of the TRI, the pre induction with TRI at 280 days of gestation promote a good synchronization in the calving with a high predictable calving time without compromise the calf viability when compared with the pre induction at 285 days of gestation.

KEY WORDS: Induction of parturition, long action corticoid, retention placenta.

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Author Biographies

Luiz Fabiano Coelho de Rezende, Firmasa Tecnologia para Pecuária

Mestrado em Ciência Animal / Universidade Federal de Mato Grosso do Sul

Firmasa Tecnologia para Pecuária

Carmem Estefânia Serra Neto Zúccari, UFMS

Professora Associada do Departamento de Zootecnia da Faculdade de Medicina Veterinária e Zootecnia da Universidade Federal de Mato Grosso do Sul. Área - Biotecnologia e Reprodução Animal

Eliane Vianna da Costa e Silva, UFMS

Professora Adjunta do Departamento de Medicina Veterinária da Faculdade de Medicina Veterinária e Zootecnia da Universidade Federal de Mato Grosso do Sul

Carlos Ronaldo Lima de Rezende, Firmasa Tecnologia para Pecuária

Firmasa Tecnologia para Pecuária

Luiz Fernando Tonissi Nasser, Firmasa Tecnologia para Pecuária

Firmasa Tecnologia para Pecuária

Urbano Gomes Pinto de Abreu, Embrapa Pantanal

Pesquisador Embrapa Pantanal

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Published

2009-04-02

How to Cite

REZENDE, L. F. C. de; ZÚCCARI, C. E. S. N.; COSTA E SILVA, E. V. da; REZENDE, C. R. L. de; NASSER, L. F. T.; ABREU, U. G. P. de. INDUCTION OF PARTURITION USING TRIAMCINOLONE PRETREATMENT IN PREGNANT RECIPIENTS OF IN VITRO PRODUCED EMBRYO. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 10, n. 1, p. 59–67, 2009. DOI: 10.5216/cab.v10i1.1821. Disponível em: https://revistas.ufg.br/vet/article/view/1821. Acesso em: 21 nov. 2024.

Issue

Vol. 10 No. 1 (2009)

Section

Animal Production

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