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Artículo de Revista 2012-02-24

Autor: Wittwer, F. Araneda, P. Ceballos, A. Contreras, P.A. Andaur Rademacher, Marcela Bohmwald, H.

Con el objeto de determinar la actividad sanguínea de glutatión peroxidasa (GSH-Px; E.C. 1.11.1.9) en bovinos lecheros de la IX Región de la Araucanía (38º LS y 71º LO), Chile, y establecer su eventual asociación con el contenido de Se en el forraje, durante el otoño y la primavera de 1999 se tom...

The content of selenium (Se) in forage samples and the blood activity of glutathione peroxidase (GSH-Px; EC 1.11.1.9) of groups of lactating cows and heifers were evaluated between autumn and spring of 1999 in 12 dairy herds from IXth Region (38º S and 71º W) of Chile. Se-concentration was determ...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/728

Repositorio Digital Universidad Católica de Temuco
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Wittwer, F. ,  Araneda, P. ,  Ceballos, A. ,  Contreras, P.A. ,  Andaur Rademacher, Marcela ,  Bohmwald, H. ,  [Actividad de glutation peroxidasa (GSH-Px) en sangre de bovinos a pastoreo de la IX Región, Chile y su relación con la concentración de selenio en el forraje] ,  [Glutathion peroxidase activity (GSH-Px) in grazing dairy cattle in the south of Chile (IXth Region) and their relation with selenium contents in the forage] ,  Glutathion peroxidase activity (GSH-Px) in grazing dairy cattle in the south of Chile (IXth Region) and their relation with selenium contents in the forage
Article

Autor: Ceballos, A. Espindola, S. Uslar, D. Neumann Vásquez, Javier Quiroz, E. Chihuailaf VIvánco, Ricardo Wittwer, F.

An observational study was conducted in 59 Chilean dairy farms to evaluate bulk tank milk selenium (Se) concentration, and its association with measures of milk production parameters and udder health, measured as bulk tank somatic cell count. Fifty-nine dairy herds from Southern Chile were select...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3647

Repositorio Digital Universidad Católica de Temuco
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Ceballos, A. ,  Espindola, S. ,  Uslar, D. ,  Neumann Vásquez, Javier ,  Quiroz, E. ,  Chihuailaf VIvánco, Ricardo ,  Wittwer, F. ,  [Bulk tank milk selenium concentration in dairy herds from Southern Chile and its relationship to productive performance] ,  Bulk tank milk selenium concentration in dairy herds from Southern Chile and its relationship to productive performance
Article

Autor: Matamoros, R. Ceballos, A. Contreras, P. A. Quiroga, C. Andaur Rademacher, Marcela Wittwer, F.

The aim of this study was to evaluate the effect of a low Selenium diet and its Supplementation on the serum levels of T-3, T-4 and on the lipid profile in dairy cows under an induced oxidative stress. Twelve pregnant dairy Chilean-Friesian cows were selected and assigned to one of two groups, co...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3761

Repositorio Digital Universidad Católica de Temuco
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Matamoros, R. ,  Ceballos, A. ,  Contreras, P. A. ,  Quiroga, C. ,  Andaur Rademacher, Marcela ,  Wittwer, F. ,  [Serum concentrations of triiodothyronine, thyroxine and lipid profile in dairy cows fed with a low selenium diet] ,  Serum concentrations of triiodothyronine, thyroxine and lipid profile in dairy cows fed with a low selenium diet
Article

Autor: Neumann Vásquez, Javier Ceballos, A. Chihuailaf VIvánco, Ricardo Bohmwald, H. Sepulveda, M. Wittwer, F. Quiror, E.

In order to evaluate the effect of supplementation with two sources of selenium (Se) in blood and colostrum Se concentration in cows and their offspring, fourty three Holstein pregnant cows were used. Cows were randomly divided into three groups, and thirteen cows were supplemented one month befo...

Enlace original: http://repositoriodigital.uct.cl/handle/10925/3438

Repositorio Digital Universidad Católica de Temuco
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Neumann Vásquez, Javier ,  Ceballos, A. ,  Chihuailaf VIvánco, Ricardo ,  Bohmwald, H. ,  Sepulveda, M. ,  Wittwer, F. ,  Quiror, E. ,  [Effect of prepartum supplementation with selenized yeast or parenteral barium selenate in blood selenium concentrations in dairy cows and their offspring] ,  Effect of prepartum supplementation with selenized yeast or parenteral barium selenate in blood selenium concentrations in dairy cows and their offspring

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