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      Concentraciones de inmunoglobulinas séricas y calostrales de vacas selenio-deficientes y en el suero sanguíneo de sus terneros Translated title: Serum and colostrum immunoglobulin concentrations from selenium deficient cows and in the blood of their calves

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          Abstract

          Se estudió el efecto de una dieta selenio-deficiente en vacas gestantes sobre la concentración de inmunoglobulinas en el calostro y en el suero sanguíneo de las crías en sus primeras horas de vida. Para ello se trabajó con 12 vacas gestantes (7-8 meses) entre 4-9 años de edad, mantenidas en estabulación permanente y sometidas a una dieta deficiente en selenio (0.04 ppm de materia seca), constituida por heno y un alimento concentrado comercial seleniodeficiente. Un grupo de seis vacas fueron suplementadas con selenato de bario (1 mg Se/kg, s.c.). El balance de selenio fue medido a través de la actividad de GSH-Px eritrocítica. La medición de inmunoglobulinas en el suero y calostro de las vacas y en el suero de los terneros se realizó por inmunodifusión radial. Los resultados demostraron que no existen diferencias (P<0.05) en la concentración de IgG, IgM e IgA entre vacas suplementadas y no suplementadas. La deficiencia de Se no afectó la concentración de IgG total, IgM e IgA en calostro; sin embargo la suplementación con selenio disminuyó (P<0.05) la concentración de IgG1. Por otra parte, la deficiencia nutricional de Se en las vacas no afecta la concentración de IgG total, IgG1, IgM e IgA en el suero de terneros en sus primeros seis días de edad.

          Translated abstract

          The colostrum immunoglobulin concentrations of selenium-deficient cows and in the blood of their calves were studied in twelve Friesian cows of 4-9 year old. The animals were 7 months pregnant at the beginning of the experience and it were fed with a selenium deficient diet consisted in hay and a commercial concentrate (diet 0.04 ppm dry matter) and kept under permanent housing condition with water ad libitum. The cows were allocated into two homogeneous groups of six animals each, selenium supplemented (Se-S) and selenium deficient (Se-D) and the animals of the Se-S group were supplemented with barium selenate (1 mg/Se/kg s. c.) ± 45 days before calving, whilst the Se-D group received nothing. The balance of selenium was assessed by GSH-Px activity in blood and the concentration of immunoglobulin in serum and colostrums by immunodiffusion radial method. Selenium deficiency did not affect serum and colostrum total IgG, IgM and IgA concentration in cows (P<0.05). However, the IgG1 colostrum concentrations decreased in selenium supplemented cows (P<0.05). On the other hand, the nutritional deficiency of selenium did not affect total IgG, IgG1, IgM and IgA in calves serum concentrations until 6 days of age.

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          A Body Condition Scoring Chart for Holstein Dairy Cows

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            Biostatistical Analisis

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              Effects of selenium and vitamin E on the immune responses of domestic animals.

              The gross effects of selenium and vitamin E deficiency on animal production and the potential benefits of supplementation are recognised, and the influence of these micronutrients on the resistance of animals to a variety of infections has also been reported. As a result, deficiencies could compromise the immune system and result in a decline in production and performance before gross effects become apparent. Data obtained by laboratories studying different animal species indicate that the responses of domestic animals, particularly ruminants, differ from those of human beings and laboratory animals as well as differing among themselves. This paper provides a comprehensive review of the effects of selenium and vitamin E on the immune responses of domestic animals and discusses their effects with respect to the differences in the basal nutritional status of the animals concerned, the type of supplements used, the route and timing of their administration and the different agents which have been used to stimulate an immune response.
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                Author and article information

                Journal
                amv
                Archivos de medicina veterinaria
                Arch. med. vet.
                Facultad de Ciencias Veterinarias, Universidad Austral de Chile (Valdivia, , Chile )
                0301-732X
                December 2004
                : 36
                : 2
                : 155-162
                Affiliations
                [03] Valdivia orgnameUniversidad Austral de Chile orgdiv1Instituto de Microbiología Chile
                [02] Valdivia orgnameUniversidad Austral de Chile orgdiv1Instituto de Ciencias Clínicas Veterinarias Chile
                [01] Valdivia orgnameUniversidad Austral de Chile orgdiv1Facultad de Medicina orgdiv2Instituto de Inmunología Chile
                Article
                S0301-732X2004000200006 S0301-732X(04)03600200006
                10.4067/S0301-732X2004000200006
                a9f7c0a4-41df-4e93-a095-abe114946ea5

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

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                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 8
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                SciELO Chile

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                ARTICULOS ORIGINALES

                selenium,colostrum,calves,immunoglobulins,selenio,calostro,terneros,inmunoglobulinas

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