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Two enteral solutions with different chloride concentrations administered by naso-ruminal route for fluid therapy in adult cattle/Comparacao de duas solucoes enterais com diferentes concentracoes de cloreto administradas por via nasorruminal para hidratacao em bovinos adultos

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 str...

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Published in:Ciência rural 2019-08, Vol.49 (8)
Main Authors: Alves, Samuel Rodrigues, Avanza, Marcel Ferreira Bastos, da Silva, Micheline Ozana, Ermita, Pedro Ancelmo Nunes, Gomes, Lidiany Lopes, Monteiro, Lorena Chaves, de Morais Santos, Paulo Vinicius, Costa, Caio Monteiro, Ferreira, Gabriella Maria Morais, Mattos, Felipe Sperandio, Filho, Jose Dantas Ribeiro
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Language:Spanish
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Summary: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.sup.+] and [Cl.sup.-] 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. Key words: biochemical, blood gas analysis, calcium chloride, electrolyte. Seis vacas holandesas adultas foram utilizadas neste estudo de hidratacao. Todos os animais foram submetidos previamente a 24 horas de jejum hidrico e alimentar e submetidos a ambos os tratamentos de hidratacao por oito horas, em delineamento transversal 6x2. Foram realizados dois tratamentos com solucoes hipotonicas balanceadas (190 mOsm/L) com diferentes concentracoes de cloretos. Foram realizadas avaliacoes fisicas, bioquimicas, hemogasometria e avaliacao urinaria em cinco diferentes tempos experimentais (T-24h, T0h, T4h, T8h e T24h). O periodo de hidratacao causou expansao de volume plamatico. Foi observado aumento da umidade das fezes e da excrecao de [Na.sup.+] e [Cl.sup.-] na urina, reducao do volume globular, osmolaridade, pH sanguineo e pH urinario. Ambas as solucoes podem ser usadas para hidratacao de bovinos adultos, sendo a solucao que contem cloreto de calcio (SECaCl) a mais indicada para o uso em animais com hipocloremia. Palavras-chave: analises bioquimicas, cloreto de calcio, eletrolitos, hemogasometria.
ISSN:0103-8478
DOI:10.1590/0103-8478cr20181011