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	Provedor de dados 56 (2) Autor Duarte,D.P.F. (2) da Costa,C.P. (2) Gilmore,D.P. (1) Mühlbauer,M. (1) Silva,E.M. (1) Palavra-chave Sloth (2) Electrocardiogram (1) Estrous cycle (1) Fecal estrogen and progestogen metabolites (1) Fecal hormones (1) Heart rate (1) Noninvasive monitoring (1) Mais... Tipo do documento Info:eu-repo/semantics/other (2) Ano 2006 (1) 2005 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Fecal estradiol and progesterone metabolite levels in the three-toed sloth (Bradypus variegatus) 56 Mühlbauer,M.; Duarte,D.P.F.; Gilmore,D.P.; da Costa,C.P.. The present study was carried out to assess the possibility of measuring fecal steroid hormone metabolites as a noninvasive technique for monitoring reproductive function in the three-toed sloth, Bradypus variegatus. Levels of the estradiol (E2) and progesterone (P4) metabolites were measured by radioimmunoassay in fecal samples collected over 12 weeks from 4 captive female B. variegatus sloths. The validation of the radioimmunoassay for evaluation of fecal steroid metabolites was carried out by collecting 10 blood samples on the same day as defecation. There was a significant direct correlation between the plasma and fecal E2 and P4 levels (P < 0.05, Pearson's test), thereby validating this noninvasive technique for the study of the estrous cycle in... Tipo: Info:eu-repo/semantics/other Palavras-chave: Sloth; Fecal estrogen and progestogen metabolites; Noninvasive monitoring; Estrous cycle; Fecal hormones. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000200017 Electrocardiographic studies of the three-toed sloth, Bradypus variegatus 56 Silva,E.M.; Duarte,D.P.F.; da Costa,C.P.. Electrocardiograms (ECG) obtained with standard limb leads and augmented unipolar limb leads were recorded from 17 unanesthetized adult sloths. The animals were held in their habitual position in an experimental chair. We determined heart rate and rhythm from the R-R intervals, the amplitude and duration of each wave, and the duration of the segments and intervals of the ECG. The mean electrical axes of P and T waves and QRS complex were calculated on the basis of the amplitude of these waves in leads I, II, III, aV R, aV L, and aV F. The P wave appeared positive in most tracings with low amplitude in lead II, the QRS complex was generally negative in leads aV R, III and aV F, and no arrhythmias were observed. With a mean ± SD heart rate for all recordings... Tipo: Info:eu-repo/semantics/other Palavras-chave: Sloth; Electrocardiogram; Heart rate. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005001200018 Registros recuperados: 2 Primeira ... 1 ... Última

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