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      Digestibilidade de dietas com diferentes fontes de carboidratos e sua influência na glicemia e insulinemia de cães Translated title: Digestibility of diets with different sources of carbohydrates and your influence in the blood glucose and blood insulin in health dogs

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          Abstract

          Com o objetivo de estudar a influência das dietas com diferentes fontes de carboidratos na glicemia e insulinemia pós-prandial de cães, foi conduzido, no Departamento de Zootecnia da Universidade Federal de Lavras (UFLA), um experimento com cães da raça Foxhound Americano. Foram utilizados 24 cães machos com peso médio de 34,61 ± 3,42 kg, distribuídos em delineamento em blocos casualizados, com parcela subdividida no tempo, com quatro tratamentos, e um animal por unidade experimental. Os tratamentos consistiram em três dietas, formuladas para conterem as mesmas quantidades (63%) dos cereais avaliados (milho, sorgo e arroz) e uma quarta dieta constituindo uma mistura em partes iguais de cada cereal. As dietas foram isoenergéticas e isoprotéicas. Os animais foram alimentados uma vez ao dia, pela manhã, e as quantidades ingeridas foram estabelecidas de acordo com a equação de predição de Heusner (1982) para energia de manutenção acrescidas em 10%. Foram avaliadas a digestibilidade da matéria seca, a digestibilidade do amido total, a energia digestível, a glicemia e a insulinemia. Para a diferenciação das médias, foi utilizado o teste de Scott-Knott (P<0,05). Observou-se que a dieta 3 (arroz) foi superior (P<0,05) para a variável digestibilidade da matéria seca e digestibilidade do amido total. Para a variável energia digestível, as dietas 1 e 3 (milho e arroz) foram superiores às demais (P<0,05). Não foi observada diferença significativa entre as dietas para as variáveis glicemia (P=0,51) e insulinemia (P=0,66) pelo teste F. Concluiu-se que as diferentes fontes de carboidratos utilizadas nas quatro dietas não influenciaram a glicemia e insulinemia pós-prandial em cães sadios.

          Translated abstract

          In order to evaluate the influence of the diets with different carbohydrates sources in blood glucose and blood insulin in dogs, were conducted, in Animal Science Department of Federal University of Lavras (UFLA), a experiment with dogs of breed American Foxhound. Were utilized 24 males dogs with average weight of the 34,61 ± 3,42 kg, allotted in randomized blocks design with subdivided piece in time, with four treatments, and one animal per unit experimental. The treatments were three diets formulated to contain the same amount (63%) of the cereals evaluate (corn, sorghum and rice) and a forth diet being a blend in equal parts of each cereal. The animals were fed once per day, for the morning, and the consume established agreed with the prediction equation of the Heusner (1982) for mantence energy, plus 10%. The digestible dry matter, the digestible starch, the digestible energy, the blood glucose and blood insulin were evaluated. For the statistical analysis were utilized the test of Scort-Knott (P<0,05). Thus, the diet 3 (rice) were higher (P<0,05) for the digestibility of dry matter variable and digestible starch variable. For the digestible energy variable, the diets 1 and 3 (corn and rice) were higher then others (P<0,05). It was found that the treatments didn't influence the blood glucose (P=0,51) and blood insulin (P=0,66) for test F. In conclusion, the different sources of the carbohydrates utilized, in the four diets, didn't influence in the blood glucose and blood insulin in health dogs.

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          Energy metabolism and body size. I. Is the 0.75 mass exponent of Kleiber's equation a statistical artifact?

          The statistical derivation of Kleiber's 0.75 interspecific mass exponent 'b' is based on an assumption that the mass coefficient 'a' is constant irrespective of a mammal's size and/or species. Analysis of covariance, a statistical technique not based on this assumption, reveals that the mass coefficient is not constant in a series of 7 species (Peromyscus m., mice, rats, cats, dogs, sheep, and cattle) but increases threefold with the size of the animal. THe mass coefficient is a power x mass-2/3, the power being expressed in watts and the mass in kg. (Peromyscus m.: a = 1.91 +/- 0.09; cattle: a = 6.06 +/- 0.14). The intragroup mass exponent is equal to 0.67 +/- 0.03 and is significantly different from 0.75. This study shows that the 0.75 interspecific mass exponent in Kleiber's equation is a statistical artifact and suggests that the data from literature are consistent with the theory of biological similitude of Lambert and Teissier.
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            Renal Handling of Urate and Sodium during Acute Physiological Hyperinsulinaemia in Healthy Subjects

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              Nutrient requirements of dogs

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                Author and article information

                Journal
                cagro
                Ciência e Agrotecnologia
                Ciênc. agrotec.
                Editora da UFLA (Lavras, MG, Brazil )
                1413-7054
                1981-1829
                April 2005
                : 29
                : 2
                : 436-443
                Affiliations
                [01] Lavras MG orgnameUniversidade Federal de Lavras orgdiv1Departamento de Zootecnia borgesvet@ 123456ufla.br
                [02] orgnameUFLA orgdiv1Departamento de Medicina Veterinária
                [03] orgnameUFLA
                Article
                S1413-70542005000200023 S1413-7054(05)02900223
                c40f8bc7-2328-4646-94b9-b3aaf34c10e1

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 27 April 2004
                : 12 January 2005
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 17, Pages: 8
                Product

                SciELO Brazil

                Categories
                Zootecnia e Veterinária

                cães,carboidratos,amido,digestibilidade,insulinemia,glicemia,carbohydrates,starch,dog,blood insulin,blood glucose

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