2010
DOI: 10.1590/s0100-736x2010001100014
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Eritrograma, metabolismo do ferro e concentração sérica de eritropoetina em fêmeas caprinas da raça Saanen nos períodos de gestação, parto e pós-parto

Abstract: Hematological changes during the pregnancy and parturition are of great importance in humans and have been studied in several species of domestic animals. The objective was to determine changes in erythrogram, iron metabolism and the serum concentration of erythropoietin in nuliparous female Saanen caprine during periods of pregnancy, parturition and postpartum. Blood samples were collected from 20 goats, clinically healthy, the 49 (M1), 42 (M2), 35 (M3), 28 (M4), 21 (M5), 14 (M6), seven (M7), three (M8) days … Show more

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Cited by 6 publications
(4 citation statements)
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“…According to Cunningham (2011), the total RBC count is associated with the need for oxygen in the body, i.e, as demand increases in the body increases the amount of red blood cells, resulting in release of erythropoietin by the kidney tissue. It is stimulated by the action of progesterone and placental chorionic somatotropin, which during late pregnancy increasing the synthesis of circulating RBC (Fonteque et al, 2010;Longo, 1983). Another explanation that fits the situation evidenced for the RBC counts at birth is the possible hemoconcentration not only by the reduction in water intake but also by the greater spleen contraction (Van Soest & Blosser, 1954).…”
Section: Discussionmentioning
confidence: 89%
“…According to Cunningham (2011), the total RBC count is associated with the need for oxygen in the body, i.e, as demand increases in the body increases the amount of red blood cells, resulting in release of erythropoietin by the kidney tissue. It is stimulated by the action of progesterone and placental chorionic somatotropin, which during late pregnancy increasing the synthesis of circulating RBC (Fonteque et al, 2010;Longo, 1983). Another explanation that fits the situation evidenced for the RBC counts at birth is the possible hemoconcentration not only by the reduction in water intake but also by the greater spleen contraction (Van Soest & Blosser, 1954).…”
Section: Discussionmentioning
confidence: 89%
“…Os trabalhos encontrados, em sua maioria, não avaliam esse efeito sobre os parâmetros hematológicos. Fonteque et al (2010) realizaram seus estudos apenas com fêmeas da raça Saanen nulíparas e não encontrarm alteração no hemograma nos diferentes momentos de gestação e pós-parto avaliados. Waziri et al (2010) avaliaram, na Nigéria, apenas fêmeas jovens com 1,5 a 2,5 anos de idade e encontraram valores de H e LG maiores nas fêmeas gentantes, resultados contrários aos deste estudo, e para os outros parâmetros não observaram efeito significativo.…”
Section: Resultsunclassified
“…Em uma situação de estresse o hormônio cortisol se eleva na circulação sanguínea, estimulando a produção de eritropoietina (Kerr 2003). Como a eritropoietina é o principal estímulo para a produção de progenitoras eritróides, ocorre um aumento da produção de hemácias (Fonteque et al 2010). Portanto, maior valor de hemácias nas cabras Saanen pode ser explicado pelo fato desses animais serem mais suscetíveis ao estresse térmico, uma vez que são originários de região com clima temperado.…”
Section: Resultsunclassified