Two enteral solutions with different chloride concentrations administered by naso-ruminal route for fluid therapy in adult cattle
AUTOR(ES)
Alves, Samuel Rodrigues
FONTE
Cienc. Rural
DATA DE PUBLICAÇÃO
22/08/2019
RESUMO
RESUMO: Seis vacas holandesas adultas foram utilizadas neste estudo de hidratação. Todos os animais foram submetidos previamente a 24 horas de jejum hídrico e alimentar e submetidos a ambos os tratamentos de hidratação por oito horas, em delineamento transversal 6x2. Foram realizados dois tratamentos com soluções hipotônicas balanceadas (190 mOsm/L) com diferentes concentrações de cloretos. Foram realizadas avaliações físicas, bioquímicas, hemogasometria e avaliação urinária em cinco diferentes tempos experimentais (T-24h, T0h, T4h, T8h e T24h). O período de hidratação causou expansão de volume plamático. Foi observado aumento da umidade das fezes e da excreção de Na+ e Cl- na urina, redução do volume globular, osmolaridade, pH sangüíneo e pH urinário. Ambas as soluções podem ser usadas para hidratação de bovinos adultos, sendo a solução que contém cloreto de cálcio (SECaCl) a mais indicada para o uso em animais com hipocloremia.ABSTRACT: Six adult Holstein cows were used in this fluid therapy study. All animals were previously submitted to 24 hours of water and food abstaining period and submitted to both hydration treatments for eight hours in a crossover design 6x2. Two treatments with hypotonic solutions (190 mOsm/L) with low strong ion difference and different chloride concentrations solutions were executed. Physical, biochemical, blood gas analysis and urinary evaluation were executed in five different experimental times (T-24h, T0h, T4h, T8h e T24h). The hydration period caused plasmatic volume expansion. An increase in faeces humidity, excretion of Na+ and Cl- in urine, reduction of PCV, osmolarity, blood and urinary pH was observed. Both solutions can be used for fluid therapy for adult cattle and solution containing calcium chloride (SECaCl) was the most suitable for use in animals with hypochloraemia.
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