Influence of pregnancy and puerperium in the erythrogam of Saanen goats (Capra hircus), raised in the State of São Paulo - Brazil

  • Rinaldo Batista Viana Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Médica, Centro de Pesquisa e Diagnóstico de Enfermidades de Ruminantes, São Paulo, SP
  • Eduardo Harry Birgel Junior Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Médica, Centro de Pesquisa e Diagnóstico de Enfermidades de Ruminantes, São Paulo, SP
  • Maria Consuelo Caribé Ayres Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Médica, Centro de Pesquisa e Diagnóstico de Enfermidades de Ruminantes, São Paulo, SP
  • Fernando José Benesi Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Médica, Centro de Pesquisa e Diagnóstico de Enfermidades de Ruminantes, São Paulo, SP
  • Regina Mieko Sakata Mirandola Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Médica, Centro de Pesquisa e Diagnóstico de Enfermidades de Ruminantes, São Paulo, SP
  • Eduardo Harry Birgel Universidade de São Paulo, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Médica, Centro de Pesquisa e Diagnóstico de Enfermidades de Ruminantes, São Paulo, SP
Keywords: Erythrogram, Pregnancy, Puerperium, Caprine, Saanen goats

Abstract

The influence of pregnancy and puerperium on the erythrogram of Saanen goats (Capra hircus) was evaluate on blood samples were taken from 150 goats raised on the State of São Paulo and were allocated into 5 experimental groups of 30 goats each as described: non-pregnant; initial pregnancy (30 -| 60 days of pregnancy); middle pregnancy (60 -| 120 days of pregnancy); late pregnancy (more than 120 days of pregnancy); kidding goats (until 30 days after parturition). The blood samples were collected with EDTA and submitted to the following analysis: erythrocyte counts (at the modified Neubauer hemocytometer, using Gower's liquid as a dilute); packed cell volume (using the microhematocrit method); hemoglobin concentration (using cyanmethemoglobin method); calculated blood indices: MCV - mean corpuscular volume; MCH - mean corpuscular hemoglobin; MCHC - mean corpuscular hemoglobin concentration. Although lower number of erytrocytes were seen at the end of pregnancy, the blood values returned to normality during the kidding phase. These values returned to those observed in non-pregnant goats, goats in early and middle pregnancy. The evaluation of the hemoglobin concentration and packed cell volume did not show any significant variation that could be attributed to pregnancy or the puerperium. The MCV and MCH values were higher in goats in late pregnancy and during kidding.

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Published
2003-01-01
How to Cite
Viana, R., Birgel Junior, E., Ayres, M., Benesi, F., Mirandola, R., & Birgel, E. (2003). Influence of pregnancy and puerperium in the erythrogam of Saanen goats (Capra hircus), raised in the State of São Paulo - Brazil. Brazilian Journal of Veterinary Research and Animal Science, 40(3), 178-184. https://doi.org/10.1590/S1413-95962003000300003
Section
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