<b>Induced hypothyroidism on the superovulatory response in crossbred beef heifers</b> - DOI: 10.4025/actascianimsci.v28i3.48

  • Carlos Maia Bettini Cesumar
  • Gentil Vanini de Moraes UEM
  • Luiz Paulo Rigolon UFRPE
  • Luiz Carlos Tadeu Capovilla Cesumar
  • Fabio Luiz Bim Cavalieri Cesumar
  • Elias Nunes Martins UEM
DOI: https://doi.org/10.4025/actascianimsci.v28i3.48

Abstract

This study was aimed at the effect of hypothyroidism induced on the ovarian superovulation response, corpus luteum activity, and the weight gain in crossbred heifers (½ Bos taurosxBos indicus). The data showed that the females weight remained the same (P>0.05) even after the treatment. The levels of T3, T4 e Tsh values were respectively 1.31+0.77, 16.71+0.44 and TSH 10.35+5.74 to treated animals, and 2.08+0.77, 57.46+0.44, 2.08+5.74 to control group (P<0.05). There was no difference between them (P>0.05) considering the number of viable embryos and total number of structures 2.52 and 4.86 for the induced animals, and 2.67 and 5.60 for the control group respectively. Therefore, the results demonstrated that the hypothyroidism did not affect the superovulatory response, the corpus luteum activity, or the weight variation

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Author Biographies

Carlos Maia Bettini, Cesumar
possui graduação em Medicina Veterinária pela Universidade do Oeste Paulista (1992) , especialização em Especialização Em Radiodiagnóstico Veterinário pelo Instituto Veterinário de Imagem (2000) , mestrado em Zootecnia pela Universidade Estadual de Maringá (1997) , doutorado em Zootecnia pela Universidade Estadual de Maringá (2004) , ensino-fundamental-primeiro-grau pela Escola Estadual Professor Léo Köhler Ensino de Primeiro e Segundo Grau (1983) e ensino-medio-segundo-grau pelo Colégio Paraná (1987) . Atualmente é Médico Veterinário da Hospital Veterinário Prontodog, professor titular do Centro de Ensino Superior de Maringá e pertencente ao quadro de acessoria científica da Universidade Estadual de Maringá. Tem experiência na área de Medicina Veterinária , com ênfase em Clínica e Cirurgia Animal. Atuando principalmente nos seguintes temas: hipotireoidismo, vacas, novilhas, reprodução, propiltiouracil. Currículo Lattes
Gentil Vanini de Moraes, UEM
Departamento de Zootecnia, Universidade Estadual de Maringá
Luiz Paulo Rigolon, UFRPE
Departamento de Zootecnia, Universidade Federal Rural de Pernambuco
Luiz Carlos Tadeu Capovilla, Cesumar
Centro Universitário de Maringá (Cesumar)
Fabio Luiz Bim Cavalieri, Cesumar
Centro Universitário de Maringá (Cesumar),
Elias Nunes Martins, UEM
Departamento de Zootecnia, Universidade Estadual de Maringá
Published
2007-07-02
How to Cite
Bettini, C. M., Moraes, G. V. de, Rigolon, L. P., Capovilla, L. C. T., Cavalieri, F. L. B., & Martins, E. N. (2007). <b>Induced hypothyroidism on the superovulatory response in crossbred beef heifers</b&gt; - DOI: 10.4025/actascianimsci.v28i3.48. Acta Scientiarum. Animal Sciences, 28(3), 315-322. https://doi.org/10.4025/actascianimsci.v28i3.48
Issue
Vol 28 No 3 (2006)
Section
Ruminant Nutrition

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