Exfoliate vaginal cytology and plasma concentrations of progesterone, luteinising hormone and oestradiol-17sZ during oestrus in the bitch |
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| Authors: | J. Mestre M. Wanke S. Sucheyre |
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| Affiliation: | División Aplicaciones Agropecuarias (CAE), Gerencia de Aplicaciones. Directión de Radioisótopos y Radiaciones. Comisión National de Energía Atómica. Avda. del Libertador Gral. San Martín 8250 (1429) Buenos Aires. República Argentina and DVM, Cátedra de Obstetricia y Patología de la Reproduction. Facultad de Ciencias Veterinarias de la Universidad de Buenos Aires |
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| Abstract: | Oestrus was characterised in nine German shepherd bitches by measuring plasma levels of luteinising hormone (LH), progesterone (P) and oestradiol-17ß (O). Hormone concentration data were compared with the eosinophilic index (EI) obtained from exfoliate vaginal cytology. Maximal values of O and LH occurred before the maximal EI value. The EI peak followed the O peak, with a two day delay. LH increased during the first 24 hours after the maximum 0 value, and P levels were then slightly higher than basal. |
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