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Year 2014 - Volume 34, Number 9
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Sodium bicarbonate as a prevention of metabolic acidosis in sheep submitted to experimental ruminal acidosis, 34(9):822-826
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ABSTRACT.- Laskoski L.M., Muraro L.S., Santana Júnior M.S., Carvalho M.B., Freitas S.H., Dória R.G.S., Santos M.D. & Locatelli Dittrich R. 2014. Sodium bicarbonate as a prevention of metabolic acidosis in sheep submitted to experimental ruminal acidosis. Pesquisa Veterinária Brasileira 34(9):822-826. Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Paraná, Campus Curitiba, Rua dos Funcionários 1540, Curitiba, PR 83035-050, Brazil. E-mail: luci.laskoski@gmail.com
The aim of this study was to evaluate the preventive effect of sodium bicarbonate on systemic acidosis due to ruminal acidosis, which was induced by ingestion of concentrate after prolonged fasting. Fourteen sheep were divided into three experimental groups: control group (Cg), with four sheep, submitted to fasting without development of ruminal acidosis; no-treated group (NTg), with five sheep with rumen acidosis without preventive treatment; and treated group (Tg), with five sheep with rumen acidosis and preventively treated with sodium bicarbonate. Assessments of ruminal pH and arterial hemogasometry were performed for 48 hours after ingestion of the concentrate. There was a reduction in the ruminal pH in all groups, whereas the Cg showed a reduction only after 24 hours. A reduction in the arterial pH, bicarbonate and base excess in all groups was also noted, indicating systemic metabolic acidosis, but the NTg presented the greatest alteration. It is concluded that sodium bicarbonate prevents systemic metabolic acidosis, reducing its severity in sheep subjected to ruminal acidosis. |
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